Which of the following is NOT a factor that influences a cell's progression through the cell cycle?
a. gametes c. hormones
b. cell cycle regulatory molecules d. growth factors

Answers

Answer 1

Gametes are NOT a factor that influences a cell's progression through the cell cycle. The answer is (A).

The cell cycle refers to the sequence of events that occur in a cell that leads to its division into two daughter cells with identical genetic material. In cell biology, cell division is a critical process that ensures the correct growth of an organism and replaces cells lost due to aging or damage. Gametes are the sex cells that fuse during fertilization, resulting in the creation of a new organism. They are produced by meiosis, a specific type of cell division that decreases the amount of genetic material in each daughter cell and creates genetic diversity.

Here are the factors that influence a cell's progression through the cell cycle: Cell cycle regulatory molecules are proteins that bind to cyclin proteins and activate them. Hormones have been shown to regulate the cell cycle by inducing the production of cell cycle regulatory proteins. Growth factors are molecules that promote cell division by binding to the extracellular matrix and initiating signal transduction pathways. They activate receptors on the cell surface, resulting in the expression of cell cycle regulatory molecules that trigger cell division.

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Related Questions

Which event occurs after Earth’s surface experiences weathering? Wind carries sediments to a new location. Ice forms cracks in large rocks. Moving water breaks sediments into pieces. Surface materials wear down into sediment.

Answers

Answer:

It is A "Wind carries sediments to a new location"

Explanation: Good job to the person above me "claps"

The event which occurs after earth surface experiences new weathering is wind carries sediments to a new location.

What is weathering?

By coming into contact with the Earth's atmosphere, water, and biological organisms, weathering is the process of decomposing rocks, soil, and minerals as well as wood and manmade objects.

Weathering occurs in situ, that is, without much movement and in the same location. It should not be confused with erosion, which is the movement of rocks and minerals caused by natural forces including water, ice, snow, wind, waves, and gravity before being carried away and dumped somewhere else.

Physical weathering and chemical weathering are two significant categories of weathering processes, and each occasionally includes a biological component.

Therefore, The event which occurs after earth surface experiences new weathering is wind carries sediments to a new location.

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What is a base-pair substitution?
(gene mutation)

Answers

Answer:

noun, plural: base pair substitutions. A type of mutation involving replacement or substitution of a single nucleotide base with another in DNA or RNA molecule. Supplement. This type of mutation occurring in noncoding sequences often does not result in an altered amino acid sequence during translation.

Explanation:

hope that helps:)

which traits are likely to increase an organism's ability to survive the anthropocene era?group of answer choicesa dioecy and relatively large effective habitatsb reduced dispersal and attractive plummagec enlarged effective habitat size and generalist feedingd longer generation times and reduced mutation rates

Answers

Reduced effective habitat size generalist feeding traits are likely to enable an organism's ability to survive the anthropocene era.Option (D)

The Anthropocene era is characterized by human-induced environmental changes, such as habitat destruction and climate change, which have led to a decline in biodiversity and a shift in the distribution of species. Organisms with reduced effective habitat size can adapt to fragmented landscapes and thrive in human-modified habitats such as urban areas.

Generalist feeding enables organisms to adapt to changing food resources and exploit multiple food sources. Therefore, organisms with these traits are more likely to survive and persist in the Anthropocene era.

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Full Question:  Which traits are likely to enable an organism's ability to survive the anthropocene era?

a. dioecy and relatively large effective habitats

b. reduced dispersal and attractive plummage

c. longer generation times and reduced mutation rates

d. reduced effective habitat size generalist feeding

At a fair or circus, some performers and clowns take long balloons and fold them into animals and objects as toys for children. Which statement explains why the balloon can fold, twist, and bend without bursting?

Answers

Answer: i think it is b

Explanation:

i dont know for sure, so i hope you like it

The root hair cells of a plant absorb the higher concentration of water from the surface of various exocrine glands

Answers

Answer:

Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells.

Coffee is an example of what? But its for ninth grade so somebody help me out

Answers

Answer:

Coffee is an example of a beverage crop, it is also considered to be a luxury crop.

Explanation:

In some single-celled protozoans living in fresh water,
such as the paramecium, contractile vacuoles are
organelles are used to pump excess water out of the cell.
Explain why a paramecium would require contractile
vacuoles while a similar protozoan living in salt water
would not.

Answers

Paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.

Need of contractile vacuole for paramecium

In salt water, the solute concentration outside the cell is more than inside the cell so the water flows out of the cell down the concentration gradient. Therefore contractile vacuoles are not required for expelling water for most protozoan living in salt water.

While on the other hand, paramecium lives in fresh water so contractile vacuole is required for removing excess water so we can conclude that paramecium needs contractile vacuole due to its different environment from other protozoan that lives in salt water.

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in the meselson-stahl experiment, what was the expected composition of dna molecules after one round of replication, if the conservative model was correct?

Answers

Each DNA molecule would have a single density since it would be made up of 3/4 light and 1/4 heavy sections.

What does DNA stand for?

Deoxyribonucleic acid, a polymer made of two chains that coil around one another to form a double helix, is necessary for all known creatures, including many viruses, to develop, function, grow, and reproduce.

Nucleic acids include things like DNA and ribonucleic acid.

Deoxyribonucleic acid, or DNA, is the molecule that contains the genetic data necessary for an organism to develop and perform its functions.

DNA is shaped like a double helix, which consists of two connected strands that loop around one another to resemble a twisted ladder.

DNA contains the atoms adenine (A), cytosine (C), guanine (G), and thymine (T) (T).

Therefore, each DNA molecule would have a single density since it would be made up of 3/4 light and 1/4 heavy sections.

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What are two types of secondary succession?

-
succession, and
succession

Answers

Answer:

Fire. Fire is one of the most common causes of secondary succession and is an important component for the renewal and vitality of many types of ecosystem.

Harvesting, Logging and Abandonment of Crop Land.

Explanation:

1- After a fire, species start to recolonize an area, beginning the secondary succession process. The first species to colonize are usually fast growing herbaceous plants, such as conifers or ferns, which require high levels of light. These species are often already present in the form of seeds within the soil, or are able to rapidly disperse from nearby areas. In time, slow growing, shade-tolerant, woody species begin to suppress the early successional species, which are in-turn replaced or shaded by large trees, eventually leading to the generation of forests and a climax community.

2- The abandonment of land previously utilized for crops is a common cause of human-induced secondary succession. Land which has been intensively cultivated is often nutrient poor, with the nutrients having been repeatedly removed through harvest or logging. Agricultural processes also often leave the soil vulnerable to high levels of erosion. The abandonment of such land allows plants and animals that were previously unable to inhabit the area to colonize. Early succession of vegetation following the abandonment of farmland is responsible for increases in soil organic content, nutrient density and soil porosity. The addition of shrubs and of root systems within the soils, which follow in later succession, acts as a natural barrier against erosion, thereby allowing for restoration of degraded habitats.

Secondary succession is a type of ecological succession in which plants and animals recolonize a habitat following a significant disturbance, such as a devastating flood, wildfire, landslide, lava flow, or human activity.

Thus, Primary succession, in which a biological community emerges where none previously existed, is distinguished from secondary succession.

Where a disturbance did not completely wipe out all life and nutrients from the environment, secondary succession occurs.

Despite the fact that fire, flooding, and other disturbances can leave a landscape in ruins, drive many animals and plants away, and bring the biological community back to an earlier stage, the habitat is still alive because the soil still contains nutrients and seeds that were sown before the disturbance and animals.

Thus, Secondary succession is a type of ecological succession in which plants and animals recolonize a habitat following a significant disturbance, such as a devastating flood, wildfire, landslide, lava flow, or human activity.

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Which of the following describes the function of carbohydrates? A. Carbohydrates store hereditary information. B. Carbohydrates help leaves absorb the sun's energy. C. Carbohydrates surround and protect internal organs. D. Carbohydrates store energy in their bonds.

Answers

Answer:D. Carbohydrates store energy in their bonds

Explanation:

The C—H bonds found in carbohydrates store energy

Answer:

D

Explanation:

AP3X

Complete the sentence.
Most healthy human cells have
Select one
44 chromosomes
23 chromosomes
O
22 chromosomes
46 chromosomes

Answers

Answer:

46 chromosomes

or 23 pair of chromosomes but as u asked single it will be 46 chromosomes

A group of herbivores is separated from their population. In the new environment, the only edible vegetation grows at the tops of trees. Which of the following is a likely physical adaptation that may develop over time?

A.
A long neck is an adaptation that will develop over time allowing the herbivores to more easily access food.

B.
A long neck is an adaptation that will develop over time allowing the herbivores to more easily see their prey from far away.

C.
Shorter legs is an adaptation that will develop over time allowing the herbivores to more easily find food.

D.
Striped fur is an adaptation that will develop over time allowing the herbivores to stay warm in the cold winters.

Answers

Answer:

C

Explanation:

Animals need food to survive and if they cant reach it, they will die and the other taller can reach the food and the weaker die off and the stronger, and taller will grow to pass it traits to others. hope this helps :)

What is the primary difference between ribose sugar and deoxyribose sugar?.

Answers

Answer:

The key difference between deoxyribose and ribose is that the deoxyribose, the sugar found in DNA, lacks oxygen atom on carbon 2 of the sugar ring while ribose, the sugar found in RNA, has a hydroxyl group on carbon 2 of the sugar ring. Nucleic acids are probably the most fundamental biological molecules.

Explanation:

Explain the role of different kinds of cells present in the blood.

Answers

It has four main components: plasma, red blood cells, white blood cells, and platelets. Blood has many different functions, including: transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss. :)

Refer to Animation: Filtration, Reabsorption, Secretion. Cells of the excretory tubule _________water by osmosis, from which we can conclude that the solute concentration in these cells must be _________ than in the filtrate.

Answers

Answer:

Remove and lower.

Explanation:

Cells of the excretory tubule remove water by osmosis, from which we can conclude that the solute concentration in these cells must be lower than in the filtrate. The excretory tubule remove excess amount of water from the cell through semi permeable membrane of the cell while on the other hand, the solute concentration in the cell is lower as compared to filtrate so that's why it can't diffuse from the cell by the process of osmosis.

Describe the organic theory of the origin of oil and gas?

Q2-
a. Define the following:
fault trap - anticline - salt dome - porosity- permeability
b. Define the following:
-day-rate contract
-footage-rate contract
-turnkey contract
-horizontal drilling
c. Explain the following: petroleum reservoir
-primary recovery
- secondary recovery
-tertiary recovery

Q3- List the steps in finding oil and gas.

Q4- What is the difference between an operating (working) interest and a nonoperating (nonworking) interest?

Q5- Define the following:
-economic interest in oil and gas
-mineral rights
-mineral interest
-royalty interest
-working interest
-overriding royalty interest
-production payment interest

Q6- Define and discuss the important provisions of the typical oil and gas lease.

Q7- What are the drilling operations that give rise to accounting implications?

Answers

The organic theory of the origin of oil and gas proposes that these hydrocarbons are formed from the remains of ancient plants and animals that have been subjected to heat and pressure over millions of years.

The organic theory of the origin of oil and gas suggests that these valuable hydrocarbon resources are formed through the decomposition and transformation of organic matter. This theory posits that over millions of years, the remains of plants and animals, such as algae and marine organisms, accumulate on the ocean floor.

As layers of sediment build up, the organic matter becomes buried and subjected to intense heat and pressure. Under these conditions, the organic material undergoes chemical changes, breaking down into hydrocarbons.

The organic theory of the origin of oil and gas provides a comprehensive explanation for the formation of these valuable natural resources. It highlights the role of organic matter, sedimentary processes, and geological conditions in their creation. Understanding this theory is crucial for the exploration and exploitation of oil and gas reserves, as it guides the search for suitable reservoir rocks and helps predict their distribution.

By studying the organic theory, geologists and petroleum engineers can identify potential hydrocarbon-bearing formations and develop strategies for extraction, contributing to the world's energy supply.

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What were the two achievements of the first women’s rights convention at Seneca Falls?

Answers

The women’s rights convention at Seneca Falls was the first largest convocation of women of its kind in the United States of America.

What is the women convention?

The women convention was the first largest convocation of women of its kind in the United States of America. The subject of discussion was the right of women.

The two main achievements of the convocation were;

1) The launching of the  women's suffrage movement

2) The fact that women were later allowed to vote

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What is an educated guess that can come from a previous experiences and logical inferences?

Answers

A Conjecture: educated guess based on known information.

PLEASE HELP: In what ways do humans benefit from biodiversity? Choose all correct answers.

PLEASE HELP: In what ways do humans benefit from biodiversity? Choose all correct answers.

Answers

The ways in which humans benefit from biodiversity include:

Provide products such as lumber, food, and medicineNatural pest control and pollinatorsA source of genes that may improve food, energy production, and medicinesLimit damage to coastal areasBeauty and inspirationMay decrease pollution

What is biodiversity?

Biodiversity refers to the diversity and variability of life on Earth. Biodiversity is a metric for genetic, species, and ecosystem-level variety.

Humans benefit from biodiversity as it:

Provide products such as lumber, food, and medicineA source of genes that may improve food, energy production, and medicinesLimit damage to coastal areas

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Which of the follwoing is a facial bone?
Sphenoid bone Nasal bone
Ethmoid bone Frontal

Answers

Nasal bone is a facial bone. Option B is correct.

The facial bones are a group of bones that make up the structure of the face. They include the maxilla, mandible, nasal bones, zygomatic bones, lacrimal bones, palatine bones, and vomer bone. The nasal bone is a pair of small rectangular bones that form the bridge of the nose.

They sit between the frontal bone and the maxilla bone, and they articulate with the ethmoid and vomer bones. The nasal bones provide support and shape to the nose, and they play an important role in protecting the nasal cavity and the sinuses. The nasal bone is one of the facial bones and it is responsible for forming the bridge of the nose. Option B is correct.

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Plants are able to engage in photosynthesis because they produce a chemical that can
absorb sunlight to synthesize glucose. What is this chemical?


A. Oxygen
B. Chlorophyll
C. Carbon Dioxide
D. Water

Answers

Answer:

B. Chlorophyll

Explanation:

Plants engage in photosynthesis with the help of chlorophyll.

In the process : Carbon dioxide is used and oxigen is produced.

traits that have both inherited and environmental causes are termed

Answers

Traits that have both inherited and environmental causes are termed multifactorial traits. These traits are influenced by both genetic and environmental factors and include a wide range of characteristics, including height, weight, blood pressure, and susceptibility to diseases such as diabetes, heart disease, and cancer.

Inherited factors that affect these traits include variations in DNA sequences, gene expression patterns, and epigenetic modifications. Environmental factors that can affect these traits include diet, exercise, exposure to toxins, stress, and other lifestyle factors. Additionally, multifactorial traits can also be influenced by complex interactions between genetic and environmental factors, making them difficult to study and understand.Most multifactorial traits are thought to result from the combined effects of many genes, each of which contributes a small amount to the overall variation in the trait. The contribution of environmental factors can also vary depending on the trait and the individual. For example, an individual's diet may have a greater impact on their risk of developing type 2 diabetes if they have a genetic predisposition to the disease.

Therefore, multifactorial traits are those that are influenced by both genetic and environmental factors. They are complex and difficult to study, as they result from the combined effects of many genes and environmental factors. These traits include a wide range of characteristics and are important to understand for the prevention and treatment of many diseases.

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List and explain three examples of evidence for Evolution by naturalselection

Answers

The three main examples of evidence for Evolution by natural selection are:

1. Fossil evidence - fossils are preserved remains of living beings, such as animals, plants and other organisms from the past. The show how those organisms were in the past and they can be ued to try ato understand how they evolved;

2. Biogeographical evidence - biography is the study of the geographical distribution of organisms, and it can help us understand migratory movements that could result in different species living in different places but from the same ancestor, for example, among other things (like how and when species may have evolved);

3. Anatomical evidence - anatomical evidences are similarities in anatomy and structure of different organisms, showing that they could be related.

The Ambystoma tigrinum and Ambystoma maculatum are 2 types of salamanders. Ambystoma represents which taxonomic level?

Answers

Answer: he presence of neotenic populations near those with large larvae has made it difficult to identify mole salamander species. The tiger salamander complex was previously considered a single species ranging from Canada to Mexico, falling under the name A. tigrinum. Despite differences in coloration and larvae, tiger salamanders were found throughout their unbroken range, which made it difficult to delineate subspecies, let alone elevate any populations to species status. In morphological terms, tiger salamanders are all very similar, with large heads, small eyes, and thick bodies. This is probably because tiger salamanders have the primitive morphology of mole salamanders. They are also the largest of the mole salamanders and have very large larvae. All populations have similar lifestyles, and their lifecycles are identical. However, when one looks at tiger salamander populations distant from each other, different species within this complex become apparent. The ranges of these potential species overlap, and hybridization occurs, blurring the lines between species.

Explanation:

Answer:ur mum

Explanation:

A recently discovered in is been found to decrease production of tesosturore within male animals. Which of the following best explains how their affect the male reproductive system A. The virus targets and destroys Leydig cells B. The virus increase production of androgen binding protein by Serto celk, C. The virus increas L Section from the anterior play D. The virus attacks cells within the epididymis.

Answers

The best explanation for how the recently discovered virus affects the male reproductive system by decreasing the production of testosterone within male animals is option A, where the virus targets and destroys Leydig cells. The correct answer is option-A.

Leydig cells are responsible for producing testosterone in male animals, and any damage to these cells can lead to a decrease in testosterone production. This decrease in testosterone can have significant impacts on the male reproductive system, including reduced sperm production, decreased libido, and fertility issues.

It is important to note that the virus may not solely target Leydig cells, and other cells within the male reproductive system could also be affected. Therefore, further research is needed to fully understand the effects of the virus on the male reproductive system and to develop effective treatments.

Therefore, the correct answer is option-A.

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Over 400 years ago, the bark of the cinchona tree was discovered to contain a chemical compound called quinine. Quinine was, and still is, used to cure and prevent malaria. This is an early example of __________
a. biotechnology b. scientific modeling
c. genetic engineering d. genomics
PLEASE HELP ITS A TEST

Answers

Answer:

a

Explanation:

Proteins, while not typically used for supplying daily calorie needs, can supply the body with ______ kcal per gram.

Answers

Proteins, while not typically used for supplying daily calorie needs, can supply the body with 4 kcal per gram.

What is protein?

An incredibly complex, naturally occurring molecule known as a protein is made up of amino acid residues connected by peptide bonds.

What is calorie?

Calories are a unit of measurement for the energy content of food and beverages. Our bodies store extra calories as body fat when we consume more calories through food and drink than we burn off. If this keeps happening, we might eventually gain weight.

What calories do?

Calories are the units of energy used by your body during food digestion and absorption.

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By which process do plants obtain carbon from the atmosphere? photosynthesis cellular respiration decomposition consumption.

Answers

Answer:

Photosynthesis

Explanation:

Carbon dioxide is obtained from the atmosphere and used in the photosynthesis process.

it should be Photosynthesis

these types of grafts generally involve threading a hollow polypropylene cylinder through the porcine valve and using a cobalt-chromium alloy stent inside the cylinder to maintain structural integrity.

Answers

Xenograft usually involve threading a hollow polypropylene cylinder through the porcine valve along with using a cobalt-chromium alloy stent inside the cylinder to maintain the structural integrity.

Xenograft is the type of tissue or organ transplant where the donor belongs to a different species from that of the recipient. For example the valves of pig heart are used to be transplanted into humans. Xenograft is also known as heterograft.

Alloy is a substance made up by mixing two or more substances. The term is usually applied for the mixture of metals or non-metals. The example of alloys are: steel, bronze, brass, coin silver, etc.

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Plz help, instructions are in the pic. i’ll give brainless

Plz help, instructions are in the pic. ill give brainless

Answers

Answer:

Reproduction: Involves mixing DNA (first box)

and the other two boxes are for growth and repair!!

Hope this helped:))

Answer: The first box goes into 'Reproduction', second and third go into 'Growth and repair'.

Good luck :)

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What are the two most desired characteristics of a cellular network? What is Xalatan used to treat? Bacterial eye infection Dry eyes Fungal eye infection Glaucoma ceteris paribus, a firm will hire more workers the higher the wage rate. TRUE/FALSE How do we see the relationship of power and freedom in Maya Angelou's Caged Bird? Below is a list of all possible outcomes in the experiment of rolling two die. 1.2 1,3 14 15 1,6 21 22 23 24 25 2,6 34B2 33 3,4 3 5 3.6 41 4 2 43 4,4 4 5 4,6 5 52 33 5 4 5,5 56 6,1 6,2 6.3 6 4 6,5 6.6 Determine the following probabilities. Write your answers as reduced fractions_ P(sum is odd) P(sum is 5) P(sum is 7) = P(sum is 7 and at least one of the die is a 1) = 18 P(sum is 7 or at least one of the die is 1) = 36 (2) In triathlons, it is common for racers to be placed into age and gender groups. Friends Romeo and Juliet both completed the Verona Triathlon, where Romeo competed in the Men, Ages 30-34 group while Juliet competed in the Women, Ages 2529 group. Romeo completed the race in 1:22:28 (4948 seconds), while Juliet completed the race in 1:31:53 (5513 seconds). While Romeo finished faster, they are curious about how they did within their respective groups. Here is some information on the performance of their groups. The finishing times of the Men, Ages 30-34 group has a mean of 4313 seconds with a standard deviation of 583 seconds. The finishing times of the Women, Ages 25-29 group has a mean of 5261 seconds with a standard deviation of 807 seconds. The distributions of finishing times for both groups are approximately Nor- mal. Thus, we can write the two distributions as Nu = 4313,0 = 583) for Men, Ages 30-34 and Nu=5261,0 = 807) for the Women, Ages 25-29 group. Remember: a better performance corresponds to a faster finish. (a) What are the Z-scores for Romeo's and Juliet's finishing times? What do these Z-scores tell you? (b) Did Romeo or Juliet rank better in their respective groups? Explain your reasoning. (c) What percent of the triathletes were slower than Romeo in his group? (d) What percent of the triathletes were slower than Juliet in her group? (e) Compute the cutoff time for the fastest 5% of athletes in the men's group, i.e. those who took the shortest 5% of time to finish. (This is in the 5th percentile of the distribution). Give an answer in terms of hours, minutes, and seconds. (f) Compute the cutoff time for the slowest 10% of athletes in the women's group. (This is in the 90th percentile of the distribution). Give an answer in terms of hours, minutes, and seconds. Interest rates fluctuate and they have an impact on bond prices.If the coupon of a bond is equal to the YTM the bond will sell at?( options are : a Discount, at Par or a Premium) write a diary of you being in the children crusades 12y=360 solve for y as a result of the service of african american soldiers in world war i, select one: a. activism by blacks for their rights increased. b. public attitudes on race were significantly altered. c. the country saw a general improvement in race relations. d. the federal government integrated the armed forces. e. northern black factory workers were able to keep their jobs when white veterans returned. QuestionAllison rolls a standard number cube 30 times and records her results. The number of times she rolled a 4 is 6. What is the experimental probability of rolling a 4? What is the experimental probability of not rolling a 4?P(4) = p(not 4)= the ratio of 8 melons to 36 fruits What was the key difference between the consequences faced by the United States and the Soviet Union after the Cold War? Daniel is baking a cake for Aaron's birthday. The recipe requires 2 1/2 cups of butter, 1/3 cups of brown sugar, and 1/2 cups of baking powder. What is the total amount of ingredients in cups if Daniel makes the cake twice as large as the recipe calls for? incarceration rates for women have been slowly declining over the years. true false 2.11. Let x(t)=u(t3)u(t5) and h(t)=e3tu(t). (a) Compute y(t)=x(t)h(t). (b) Compute g(t)=(dx(t)/dt)h(t). (c) How is g(t) related to y(t) ? Two points on the graph of the linear function f are (0,3) and (3,9) . Write a function g whose graph is a reflection in the x-axis of the graph of f. g(x)=? From what you know about action potentials and synapses, propose two or three hypotheses for how various anesthetics might block pain. Two similar cylinders have surface areas of 40x square feet and 90x square feet. What is the ratio of the height of thelarge cylinder to the height of the small cylinder? Which of the following is not true of the process of nonsense-mediated mRNA decay? a) It requires the marking of the mRNA before the mRNA is exported to the cytoplasm. b) Its function is to destroy mRNA molecules with premature stop codons. c) The participation of the ribosome is not required. d) All of the given answers are true.