What are the locations in the cell cycle where proteins can initiate or stop the next phase of the cycle called?
Answers
Answer:
A checkpoint is one of several points in the eukaryotic cell cycle at which the progression of a cell to the next stage in the cycle can be halted until conditions are favorable.
Explanation: Or
Oscillations in the activities of various cyclin-Cdk complexes leads to the initiation of various cell-cycle events. Thus, activation of S-phase cyclin-Cdk complexes initiates S phase, while activation of M-phase cyclin-Cdk complexes triggers mitosis.
Related Questions
Arctic sea ice has declined over the past few decades causing water levels to increase. This is an interaction of which two spheres?
Answers
Answer:
Cryosphere and Hydrosphere
Explanation:
The Cryosphere refers to the frozen water bodies on earth. This includes glaciers, icebergs, ice sheets and frozen water surrounding the Arctic and Antarctica.
The Hydrosphere refers to all the water bodies on Earth, including rivers, streams, lakes, and ponds.
Answer:
Cryosphere and Hydrosphere
Explanation:
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A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.
Answers
Answer:
vasa vasorum.
Explanation:
a common bird species in north america often lay 4 eggs at a time. clutches of more eggs tend to lead to malnourished offspring, while fewer eggs may result in no viable offspring at all. this is an example of what type of selection.
Answers
A bird species laying 4 eggs at a time is an example of stabilizing selection. This type of selection helps ensure that the fittest individuals are those with the most advantageous traits, which helps ensure the survival and evolution of the species in the long-term.
Stabilizing selection is a type of natural selection that favors the intermediate values of a trait, as opposed to the extreme values. In the case of a common bird species in North America, this means that laying 4 eggs at a time is the best option for the species, as any more or less may be detrimental to their offspring.
When a bird species lays too few or too many eggs, the offspring may not receive enough resources or may be overwhelmed with resources, respectively. This can lead to malnourished offspring, which are less likely to survive and reproduce. Therefore, the bird species has a selective advantage when it lays 4 eggs at a time, as it provides the optimal resources for their offspring to survive and reproduce.
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What are the answers to these?
Answers
During translation, the sequence of 3 bases on mRNA, otherwise known as codons, are translated into their respective amino acids and linked by peptide bonds to form the primary structure of proteins.
The tRNA carries the anticodon and the amino acids that correspond to each codon on the mRNA. As soon as the anticodon on a particular tRNA matches the codon on the mRNA, the amino acid is dropped and the next codon on the mRNA is read. This cycle continues until the stop codon is reached.
Successive amino acids are linked together by peptide bonds to form proteins.
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The diagram below shows the two forces that keep Earth
in orbit around the Sun.
What is responsible for Earth's movement toward the Sun?
A. Suns forward motion
B. Earth's
forward motion
C. Force of gravity
D. Expansion of the universe
Answers
Answer: it’s C
Explanation: got it right on a test
Answer: it is C, he or she is right ^
Explanation:
What is science and how does it affect our lives?
Answers
Answer:
Science is the study of the natural world through observation and experiment.
It affects our lives because it allowed technology, medicine, and education.
How does it affect our lives?
Science informs public policy and personal decisions on energy, conservation, agriculture, health, transportation, communication, defense, economics, and etc.
What’s the difference between Food, chyme and bolus?
No goggle answer!
Answers
Explanation:
The main difference between them is that bolus is more alkaline than chyme because it is exposed to alkaline saliva since food and drink are lowing the pH level of saliva.
The Bolus is considered as food and it is mashed up in our mouth and after that, it is turning into chyme which is digested food in our stomach.
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All biomolecules have the following traits execpt
A-Hydrogen elements
B-Covalent bonds
C-Nitrogen elements
D-A carbon backbone
2.
What enzyme breaks down starch in your saliva
A-Amylase
B-Trypsin
C-Lipase
D-Pepsin
3.
Which soil-based compounds do plants use to create amino acids from glucose?
A-Fluoride
B-Carbon
C-Hydrogen
D-Nitrogen
4.
What is a lipid that makes up cell membranes and is used to create hormones?
A-Protein
B-Cholesterol
C-Sucrose
D-Starch
Answers
Answer:
Most biomolecules are organic compounds, and just four elements—oxygen, carbon, hydrogen, and nitrogen—make up 96% of the human body's mass.
Explanation:
Nitrogen elements
Amylase
Nitrogen
Cholesterol
Biomolecules are the molecules that are involved in life processes.
Living organisms are composed of chemical substances called biomolecules which play various roles in the body.
Most biomolecules contain carbon, hydrogen and oxygen.
Starch digestion begins in the mouth with the action of amylase which breaks it down for easier digestion.
In the soil, amino acids are created from nitrogen using nitrogen element since amino acids must contain nitrogen.
Cholesterol is found in the cell membrane. It is a lipid and it is a component of many important hormones.
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If the DNA molecule contains 32% thymine, then what would be the creator of the cytosine?
PLEASE HELP!!!!!
Answers
Create a dichotomous key that identifies the 10 leaves on the Common Leaves sheet. Look closely at those leaf
samples and devise a dichotomous key that helps you identify them. Be sure that your dichotomous key contains
only pairs of statements about y single characteristic. For example, a pair of statements might be:
A. Leaf margin smooth
B. Leaf margin toothed
Answers
A dichotomous key is a tool used to identify species based on their characteristics. In this case, we are creating a dichotomous key to identify the 10 leaves on the Common Leaves sheet.
To create a dichotomous key, we must use pairs of statements that differentiate each leaf from the others based on single characteristics.
For example, we might use leaf shape, leaf arrangement, leaf margin, leaf base, leaf lobes, or needle clusters as characteristics to differentiate the leaves. By asking questions about each characteristic, we can gradually narrow down the possibilities until we can identify the leaf.
In this dichotomous key, we will use characteristics such as leaf shape, arrangement, margin, base, lobes, and needle clusters to differentiate the 10 leaves on the Common Leaves sheet. By following the key, you can identify each of the leaves based on their unique characteristics.
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Help pleaseee no files i need the match to each one
Answers
1. A car traveled at 75 km/h for 3.0 hours. How far did it travel?
2. Joseph walked 4.0 km/h .How long did it take him to travel 12 km?
Answers
Answer:
1. The car traveled 225km in 3 hours
2. It took him 3 hours to travel 12 km
Terangkan mengapa bilangan komosom berbeza pada sel anak antara mitosis dan meiosis.(1 markah)
Answers
(hopefully this is what you need, I am using a translator)
/
(Saya harap ini yang anda perlukan. Saya menggunakan penterjemah.)
------------------------------------------------------------------
In mitosis, chromosomes separate only once. They line up end to end. This results in two identical, diploid cells. chromosomes failing to separate during meiosis, such as Patau syndrome, to the effects of chromosomes failing to separate during mitosis.
/
Dalam mitosis, kromosom terpisah hanya sekali. Mereka berbaris dari hujung ke hujung. Ini menghasilkan dua sel diploid yang serupa. kromosom gagal dipisahkan semasa meiosis, seperti sindrom Patau, dengan kesan kromosom gagal dipisahkan semasa mitosis.
:D
During summer the scorpion constellation can be easily seen during winter the scorpion cannot be seen how would you explain this observation A in winter the scorpion is usually hidden by the moon B in winter the scorpion is covered by the Milky Way C in winter the scorpion is in the sky during the day D in winter the scorpion is often hidden by clouds
Answers
Answer:
CExplanation:
i just did it and it said it's CA scientist has some purple-flowered peas plants. She wants to find out if the pea plants are homozygous for the purple flower color. What cross will be best to find out if the purple flowered peas are homozygous?
Answers
The best cross to find out if the purple-flowered peas are homozygous is a monohybrid cross. In a monohybrid cross, the scientist would cross the purple-flowered pea plant with another pea plant that has a different flower color (such as white), and observe the phenotype (observable characteristics) of the offspring.
If the purple-flowered pea plant is homozygous for the purple flower color (PP), all of the offspring will also have purple flowers. However, if the purple-flowered pea plant is heterozygous (Pp) for the purple flower color, some of the offspring will have white flowers. This is because the offspring will inherit one allele (version) of the gene for flower color from each parent. If the purple-flowered parent is homozygous, it will pass on a purple allele in each case; if it is heterozygous, it will pass on either a purple or white allele.
By observing the flower color of the offspring, the scientist can determine whether the parent plant is homozygous or heterozygous for the purple flower color allele. If all the offspring have purple flowers, the parent plant is homozygous. If some of the offspring have white flowers, the parent plant is heterozygous.
Answer:
As we know, purple flowered peas plants are a dominate traits.
The purple flowered pea plants that the scientist has might be heterozygous(Pp) or homozygous (PP).
The best cross to find out what alleles those purple flowered peas are carrying, is to cross it with heterozygous purple flowered pea plant...
we have:
Heterozygous purple-flowered peas crossed with unknown alleles for purple-flowered peas.
Pp X P_Now, we have two options
a) Pp X Pp
Results will be :
PP, 2Pp, pp3=purple-flowered peas
1= white- flowered peas
(75% purple and 25% white)
b) Pp X PPResults will be :
2PP, 2Pp
4 = purple-flowered peas
(100% purple)
Now,
If all the results were purple-flowered peas then the plants she has are homozygous
And if some of the results were white-flowered peas then the plants she has are heterozygous
Question 5 of 5
Which thermoregulation strategy helped the hummingbird decrease its body
temperature?
A. Resting in the shade
B. Flying
C. Basking in the sun
D. Eating
Answers
Answer: A
Explanation:
Answer:
A, Resting in the shade
Explanation:
100% Correct, A p e x
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The macromolecules that make up the majority of the cell membrane’s structure are.
Answers
Lipids and proteins are the macromolecules that make up the majority of the cell membrane’s structure.
The cell membrane can be described as a semi-permeable membrane that allows selective entry of materials into and out of a cell.
The cell membrane is made up of a phospholipid bilayer. This phospholipid bilayer is amphipathic in nature i.e having hydrophobic tails and hydrophilic heads. The heads are pointed outwards, whereas the tails are embedded in between.
Besides phospholipids, cholesterol is also present in the structure of the cell membrane.
The cell membrane also has proteins embedded in it. These proteins act as carrier molecules and facilitate the entry of various hormones, ions, etc inside the cell membrane. The cell membrane consists of intrinsic as well as extrinsic proteins.
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The chemical structure below represents a .......
carbohydrate
nucleic acid
lipid
protein
Answers
Answer:
lipid
Explanation:
lipid is the answer
The scientific method is the process that scientists use to find out new information. It involves a question, a hypothesis, a prediction, collecting data, and analyzing that data to make a conclusion. How would you use the scientific method to answer this question: Do mice live longer when they are fed high-sugar diets? (15 points)
Answers
Answer:
Science deals with emperical to finding solutions to problem
Explanation:
This research should be subject to case study. You will select two groups of mice. One group with high feed of sugar diet and second group with a minimum diet of sugar. You will study the two groups in order to know which one lives longer
Infection of the skin by trichophyton rubrum results in raised red scaly patches of skin, a condition known as:_________
Answers
Infection of the skin by Trichophyton rubrum results in raised red scaly patches of skin, a condition known as dermatophytosis.
Dermatophytosis is the skin infection most commonly caused by microorganisms belonging to the dermatophyte category of the genus Trichophyton. Other genera causing the disease are Microsporum and Epidermophyton. It is a fungal disease with red, scaly and itchy skin.
Trichophyton is a genus of the kingdom fungi that belongs to phylum Ascomycota. It is a saprotrophic fungi, that colonizes the dead part of the skin. The infection it causes can be transmitted from person to person.
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Please answer fast due in 30 mins. This is anatomy and physiology.
These are the questions i have to answer
Group of answer choices
1) arrector pili
2) artery
3) dermis
4) epidermis
5) hair follicle
6) hair shaft
7) hypodermis
8) Meissner's corpuscle
9) nerve endings
10) Pacinian corpuscle
11) papillary layer
12) pore
13) sebaceous gland
14) sweat gland
15) vein
Here are each of the answers
A) Upper layer of skin composed of mostly dead cells.
B) Produces hair.
C) Dead part of the hair that projects from the surface.
D) Has fingerlike projections that penetrate into epidermis to provide nutrients.
E) Thick layer of skin that contain nerves; blood vessels.
F) Muscle that pulls hair upright .
G) Carries blood toward the skin.
H) Anchors the skin to underlying organs.
I) Opening of a sweat duct.
J) Nerve receptor that detects touch.
K) Carries blood away from the skin.
L) Produces sweat.
M) Produces sebum.
N) Receptor that detects deep pressure.
O) Detect pain.
Answers
Answer:
Explanation:
I hope you get this in time
Turn off the Significant Earthquakes layer and turn on the Significant Volcanic Eruptions layer. Observe the similarities between the locations of volcanoes and the plate boundaries.
More than half of the world’s volcanoes that are above sea level are located in the Ring of Fire. The Ring of Fire surrounds the Pacific plate, as shown on the map.
section of a world map highlighting the Ring of Fire
Zoom out as far as possible and locate the Ring of Fire on your map. Compare the location of the volcanoes in the Ring of Fire with the nearby plate boundaries. Using the plate boundaries legend, which type of boundary is most prevalent at the location of these volcanoes?
Answers
It is correct to state that "The Divergent/Transform Plate boundary" is the most common kind of barrier or boundary at these volcanoes called Ring of Fire. Please see the accompanying maps of the ring of fire.
What is a Transform Plate boundary?A transform fault, also known as a transform boundary, is a fault along a plate boundary with mostly horizontal motion. It suddenly stops when it joins to another plate boundary, which might be another transform, a spreading ridge, or a subduction zone.
The Ring of Fire, also known as the Circum-Pacific Belt, is a track that circles the Pacific Ocean and is defined by active volcanoes and earthquakes. The Ring of Fire contains the majority of the Earth's volcanoes and earthquakes.
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While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. The neurology resident told Sally that neurons and their dendrites, which send and reccive signals, made up the nerves and that the information was transported only from the PNS to the CNS. The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS.
Answers
The statement that is true regarding the cellular structure of a neuron is; The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. Option A is correct.
This statement accurately describes the composition of nerves and the direction of information transmission. Neurons, which consist of a cell body, dendrites, and an axon, are the basic building blocks of the nervous system. Dendrites receive signals from other neurons, while the axon transmits signals to other neurons.
Nerves, on the other hand, are composed of bundled axons of neurons and are responsible for transmitting information between the peripheral nervous system (PNS) and the central nervous system (CNS). The information flow typically occurs from the PNS to the CNS.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? A) The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. B) The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. C) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. D) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS."--
The primary function of DNA is to?
Answers
Answer:
The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
A in Biology class last year.
DNA is the genetic material of many organisms. The primary function of DNA is to store the genetic information that results in protein synthesis.
What is DNA?DNA or deoxyribonucleic acid is the nucleic acid that includes the instruction and the information that codes for protein synthesis. It is a crucial part of hereditary that passes the genetic traits from one generation to another.
The major role that it plays in an organism is to store the genetic code and information so that it can be used to synthesize proteins through the process of transcription and translation.
Therefore, DNA stores genetic information.
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T/F: when researching online, as long as the gathered information is the result of a valid internet search engine, it is not necessary to analyze it for bias.
Answers
When researching online, as long as the gathered information is the result of a valid internet search engine, it is not necessary to analyze it for bias.
The given statement is False.
A person can get information on what seems like an infinite number of topics by browsing the Internet, much like you would peruse the bookshelves of a library. In addition, a lot of libraries include online catalogs that can help researchers find printed books, official papers, and other materials.
Due to its accessibility to a variety of information, ease of collaboration and communication among researchers, and availability of online research tools, the Internet is a valuable research tool. Common search engines are used by people to locate books, currency conversions, definitions, file formats, news, local information, and a wide variety of other things.
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which of the following conditions does not impact the supply of
watermelons
Answers
The condition that does not impact the supply of watermelons is the "demand for other fruits." The supply of watermelons is determined by factors specific to watermelon production, and not by the demand for other fruits.
The condition that does not impact the supply of watermelons is "demand for other fruits."
The supply of watermelons is determined by various factors, such as weather conditions, production costs, availability of resources, and market demand. However, the demand for other fruits does not directly affect the supply of watermelons.
To understand this better, let's break it down step-by-step:
1. Supply and demand: The supply of a product refers to the quantity of that product available in the market at a given time, while demand refers to the quantity of the product that consumers are willing and able to purchase at a specific price.
2. Factors affecting supply: Factors such as weather conditions (such as drought or heavy rain), production costs (such as labor, seeds, fertilizers), and availability of resources (such as land, water) can impact the supply of watermelons. For example, if there is a drought, watermelon crops may fail, resulting in a decrease in supply.
3. Demand for other fruits: While the demand for other fruits, such as apples or oranges, can impact their supply, it does not directly affect the supply of watermelons. Each fruit has its own market dynamics and factors that influence its supply.
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Get points and help with my science
Answers
If I wrote the exam, I would have been Germany is an example of an hypothesis which uses the 'If' statement.
What is Hypothesis?This is defined as the proposed explanation for a particular phenomenon and is usually unproven. It is based on assumptions by the individual and becomes a law when proven through the different criteria involved.
If I wrote the exam, I would have been Germany is an hypothesis as writing the exam doesn't guarantee passing it or even getting a visa to be in the country. This is therefore the reason why it was chosen as the most appropriate choice.
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How is air temperature related to high- and low-pressure air?
Responses
High-pressure air makes other air warmer; low-pressure air makes other air cool.
High-pressure air makes other air warmer; low-pressure air makes other air cool.,
Cool air near the surface forms high-pressure areas; warm air forms low-pressure areas.
Cool air near the surface forms high-pressure areas; warm air forms low-pressure areas.,
Temperature is not related to air pressure, only to humidity.
Temperature is not related to air pressure, only to humidity.
Cool air forms low-pressure areas, while warm air forms high-pressure areas.
Answers
Explanation:
Air temperature is related to high and low pressure air through the process of adiabatic heating and cooling. Adiabatic heating occurs when air rises and expands, causing the temperature to decrease. Adiabatic cooling occurs when air sinks and compresses, causing the temperature to increase. High pressure systems are associated with sinking air and cooler temperatures, while low pressure systems are associated with rising air and warmer temperatures. Additionally, warm air can hold more moisture than cold air, so high pressure systems are also generally associated with clear, dry weather, while low pressure systems are associated with cloudy, wet weather.
which statement best describes the reaction force?
Answers
Answer:
I believe the awnser is; The reaction force is the force of the ball away from the racket
what do you call humid air mass that forms over water in cold areas?