Answer:
Nucleic acid would be the answer.
Explanation:
Nucleic acids store genetic information, while proteins build bone and muscle, carbohydrates are a quick source of energy, and lipids are essential to the development of the nervous system and hormones
a) What are the bases of mRNA coded for by this section of DNA, before the
mutation? Hint: In RNA, A pairs with U. (1 point)
Answer: CAG
Explanation:
Please help!!! Will mark brainliest
Answer:
Fossil fuels include coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils.
So oil and petroleum should be it also. :)
Answer:
Oil, Petroleum, Natural Gas, Coal
2. Use the following terms to match the correct example: organism community ecosystem
population biome
ecology
a. A blue heron sits beside a pond.
b. The study of the interactions among living things and their surroundings.
c. Most of Costa Rica has dense forests with much rainfall and biodiversity.
d. 200,000,000 black ants are in a line to the picnic table.
e. On the campus of LHS, birds, squirrels, and mice live together.
f. In a swamp, there is grass, mud, fish, alligators, rain, algae, and warm weather.
Answer:
f
Explanation:
Life appeared 3.5 billion years ago. What was the first life on earth?
Prokaryotic single celled organisms
Eukaryotic single celled organisms
Multicellular organisms
"" what is photosynthesis "'
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Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive.Carbon dioxide, water and light are all needed for photosynthesis to take place.Photosynthesis happens in the leaves of a plant.
Neville has low blood pressure and his pituitary started producing a homorone to maintain water balance his blood pressure eventually returned to normal what best explains what may happen next
Answer: The options are missing in the question,the options are;
A) Positive feedback will stop the release of this hormone.
B) Positive feedback will speed up the release of this hormone.
C) Negative feedback will speed up the release of this hormone.
D) Negative feedback will stop the release of this hormone.
The correct answer to the question is option D
NEGATIVE FEEDBACK WILL STOP THE RELEASE OF THIS HORMONE.
Explanation: The hormone the will be produced is known as Antidiuretic hormone (ADH).it is otherwise known as VASOPRESSIN.It is secreted by the posterior lobe of the pituitary gland.
The main effect of Antidiuretic hormone is to reduce urine output,(diuresis is the production of large amount of urine). Antidiuretic hormone acts in the distal convulated tubules and the collecting ducts of the nephrons of the kidneys,it increases their permeability to water and more of the glomerular filtrate is reabsorbed. Antidiuretic hormone secretion is determined by the osmotic pressure of the blood circulating to the osmoreceptors in the hypothalamus.
As osmotic pressure rises,for example as a result of dehydration, secretion of Antidiuretic hormone increases. With this,there is Increased reabsorption of water reducing the amount of urine produced.This implies that more water is retained in the body making the rise in the osmotic pressure of the blood to be low,for example,after a large fluid intake, secretion of Antidiuretic hormone is reduced,less water is reabsorbed and more urine is produced.
At high concentrations,for example after severe blood loss, antidiuretic hormone causes smooth muscle contraction, especially vasoconstriction in small arteries.this has a pressor effect,raising systemic blood pressure.
Answer: tldr it’s D
Explanation:
Are mitochondria found in animal cells? Explain.
Answer:
Mitochondria is found in animal cells.
General Formulas and Concepts:
Cellular Respiration
TCA CycleETC/ChemiosmosisExplanation:
The production of ATP is found mainly in the mitochondria. Producing ATP must undergo cellular respiration. All plants and animals go through cellular respiration to provide energy for everyday actions needed by cells. Therefore, both plants and animals have mitochondria.
Topic: AP Biology
Which of the following is not a possible pollutant?
a carbon dioxide
b. pesticides
c.fertilizer
d.all are possible pollutants
Answer:
c is the correct answer of this
Carbon dioxide is not a possible pollutants.
Which surface in the Gizmo has the most friction?
Answer:
The Wood
Explanation:
The wood has the most friction because the final speed is less than the others when the fan is on and the cart slowed down the fastest when the fan is turned off.
Answer:
Wood
Explanation:
The wood has the most friction because the final speed is less than the others when the fan is on and the cart slowed down the fastest when the fan is turned off.
(pls mark me brainliest)
What are the types of natural selection in biology?
The types of natural selection in biology are: Stabilizing selection, Directional selection, Disruptive selection, and Sexual selection.
Natural selection is the process by which certain traits become more or less common in a population over time, based on how well those traits enable the individuals who possess them to survive and reproduce.
1. Stabilizing selection: This occurs when traits that fall within a certain range are favored, while those that deviate from that range are selected against. This leads to the stabilization of a trait within a population.
2. Directional selection: This occurs when a certain trait becomes more or less favorable, causing the population to shift in that direction. This leads to a change in the average value of a trait within a population.
3. Disruptive selection: This occurs when traits at both extremes of a range are favored over those in the middle. This can lead to the splitting of a population into two distinct subpopulations, each with their own favored trait.
4. Sexual selection: This occurs when certain traits are favored because they increase an individual's ability to attract a mate. This type of selection can lead to the evolution of exaggerated or flashy traits, like the colorful plumage of a peacock.
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Please help. Please be 100% sure of your answer. Thank you.
Answer:
Proteins
Explanation:
Answer:
Proteins and nucleic acids
Difference between plants in a tropical location, a temperate location, or the tundra?
Answer:
a tropical location as an area near the equator a temperate location is any area that that lies between the tropical and polar zones and a tundra is the coldest of all the biomes. Tundra comes from the Finnish word tunturi, meaning treeless plain. It is noted for its frost-molded landscapes, extremely low temperatures, little precipitation, poor nutrients, and short growing seasons.
Which of the following are constraints scientists need to consider when designing a bioremediation solution? Select all that apply. HMH hw
The types of pollutants which are present is the constraints scientists need to consider when designing a bioremediation solution.
What is Bioremediation?This is defined as a process in which a biological system is introduced into an area in other to ensure that the contaminants present are removed through different techniques.
In bioremediation, scientists need to consider the types of pollutants so that none is left out during the process as this could lead to it making the solution ineffective or spreading to other parts such as water bodies which could lead to the death of marine species.
This is therefore the reason why scientists should consider such constraints when designing a bioremediation solution.
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definiton of
metabolism and homeostasis.
Answer:
um it means ur just skinnyyy
Explanation:
PLEASE HELP ME I WILL MAKE YOU BRAINLIEST!!!!!!! Need help with number 31!!
Explanation:
A is 6H2O
B is C6H12O6
C is 6O2
Use the model in the passage to identify and describe another system that interacts with the digestive system.
When we use the model in the passage, we can identify that the digestive system interacts with many other systems in the body, including the circulatory system, respiratory system, and nervous system.
How does the circulatory system interact with the digestive system?The circulatory system provides blood to the digestive system that carries oxygen and nutrients to the organs involved in digestion.
A lot of nutrient we get from food are absord in our small intestine and then transported to other parts of the body through the circulatory systme.
The nervous system controls the movement of food through the digestive tract and the secretion of digestive juices.
The respiratory system provides oxygen to the blood, which is then carried to the digestive system.
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which synthetic sweetener should not be consumed by individuals suffering from phenylketonuria (pku)? a. stevia b. saccharin c. aspartame d. tagatose e. sucralose
The synthetic sweetener that should not be consumed by individuals suffering from phenylketonuria (PKU) is aspartame. So the correct option is C.
Phenylketonuria is a genetic disorder where the body cannot break down the amino acid phenylalanine. Aspartame is a low-calorie sweetener made by combining two amino acids, aspartic acid, and phenylalanine. When individuals with PKU consume aspartame, their bodies are unable to metabolize the phenylalanine component properly, this can lead to a dangerous buildup of phenylalanine in the blood, which may cause brain damage and other severe health complications. To manage PKU, patients must follow a strict diet low in phenylalanine, which means avoiding aspartame and other sources of the amino acid
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i help asap plz plz
Identify the types of genetic recombination.
occurs in metaphase l.
occurs during sexual reproduction.
is random chromosome alignment resulting in variation.
occurs in prophase l.
fuses gametes to form offspring with genes from each parent.
exchanges genetic information between non-sister chromatids.
Answer:
occurs in metaphase I - is random chromosome alignment resulting in variation.
occurs during sexual reproduction - fuses gametes to form offspring with genes from each parent
occurs in prophase I - exchanges genetic information between non-sister chromatids
Metaphase I is a stage of meiosis I during which chromosomes are randomly aligned at the metaphase plate. The chromosomes are randomly distributed into two daughter cells after meiosis I. Random segregation of chromosomes adds genetic variation in a population.
Sexual reproduction involves the formation and fusion of gametes. Each gamete is contributed by each parent. The fusion of these gametes results in the formation of a new combination of genes which are different from either parent.
Prophase I is the first stage of meiosis I during which the event of crossing over takes place. Crossing refers to the exchange of genetic material between non-sister chromatids of homologous chromosomes.
Since there are more young women entering reproductive years than older women leaving them in the LDCs, __________________ reproduction will result in population growth.
Since there are more young women entering reproductive years than older women leaving them in the Less Developed Countries (LDCs), sustained and continued reproduction will result in population growth.
The explanation behind this statement lies in the demographic pattern known as "population momentum." In LDCs, where the population tends to have high fertility rates, the large number of young women reaching reproductive age creates a potential for increased births.
Even if each woman has fewer children on average than in the past, the sheer number of women in the reproductive age group can contribute to population growth. As long as there is a surplus of young women relative to older women, the potential for population growth remains, and the reproductive decisions made by these young women will significantly impact future population trends.
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Xavier and Jill are practicing the 100-meter sprint. Which statement BEST describes the metabolic pathways their muscles will utilize to produce the
quick energy needed for this intense exercise?
A Glucose is converted to pyruvic acid, followed by the aerobic pathways of the Krebs cycle and the electron transport chain.
B. Glycolysis produces pyruvic acid and 2 molecules of ATP, then in the absence of oxygen, alcoholic fermentation regenerates NAD to keep
glycolysis running
o
C. The pyruvic acid from glycolysis enters the mitochondria and is broken down in the Krebs cycle.
D. Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.
Answer: D:Glycolysis begins glucose metabolism, and in the absence of oxygen, lactic acid fermentation takes over.
Explanation:
what was the key factor that allowed Hershey and Chase to show that DNA alone carried the genetic information of a bacteriophage?
Explanation:
DNA contains phosphorus, but protein does not. Protein contains sulfur, but DNA does not. This allowed radioactive phosphorus and radioactive sulfur to identity each molecule specifically.
\( \mathbb \fcolorbox{green}{red}{ STAY \: STRONG}\)
\( \mathfrak \fcolorbox{green}{red}{BE \: BRAINLY }\)
In the DNA structure there is phosphorus present while protein does not contain phosphorus but it contains sulfur while DNA does not which allowed radioactive phosphorus and radioactive sulfur to identity each molecule specifically.
What is Hershey and Chase experiment?Hershey-Chase experiment was the final experiment which is also called as the Waring Blender experiment. In this experiment, they showed that phages only injected their DNA into host bacteria, and that the DNA served as the replicating genetic element of phages.
They used this experiment to prove that DNA is the genetic material. \(T_2\) Bacteriophage that was grown in isotopic medium radioactively labels a specific viral component. Two types of isotopic media were used.
Viruses that were grown in radioactive sulfur (35S) contained radiolabeled proteins.Viruses grown in radioactive phosphorus (32P) had radiolabeled DNANext, the virus was allowed to infect a bacterium (E. coli) and the virus and bacteria were then separated through centrifugation. After centrifugation, the larger bacteria formed a solid pellet, while the smaller viruses remained in the supernatant. The pellet of bacteria was found to be radioactive when infected with 32P-virus (DNA), but not with 35S-virus (protein).
This provided proof that DNA was the genetic material because DNA had been transcribed into bacteria, not proteins.
Thus, in the DNA structure there is phosphorus present while protein does not contain phosphorus but it contains sulfur while DNA does not which allowed radioactive phosphorus and radioactive sulfur to identity each molecule specifically.
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How are moisture levels so important for living organisms ?
which type of microscopy allows us to clearly view the internal contents of cell structures smaller than 200 nm?
Because the cell structures are so small, to clearly view them, requires a microscope that has a higher power of magnification than light microscopes can prove. This is usually an Electron Microscope.
Electron microscopy (EM) is a technique used to obtain high-resolution images of biological and non-biological specimens. It is often used to investigate the detailed structure of tissues, cells, organelles, and macromolecular complexes. (UMass Chan Med School Website)
1. The diagrams below represent the crystal shape and type of cleavage of
two different minerals. The crystal shape and type of cleavage of these
two minerals are determined mainly by the minerals
Crystal shape: cubic
Cleavage: three directions
- all at right angles
O A) color and type of luster
Crystal shape: rhombohec
Cleavage: three directions
- not at right angles
B) streak and hardness
OC) composition and atomic arrangement
OD) density and magnetism
Answer:composition and atomic arrangement
Explanation:
PLZ HURRY I HAVE TO FINISH MY HOMEWORK IF I WANT TO GO HORSEBACK RIDING TOMORROW
The amount of nitrogen added to the atmosphere through denitrification is _____.
the amount of nitrogen taken from the atmosphere through nitrogen fixation.
A.) greater than
B.)less than
C.) equal to
Answer:
greater than can be the answer
Which of the following is NOT a structure that is similar in the embryological development of humans, fish, lizards, and birds
Gills
Tail
Spinal cords
Feathers
what is the name of where the branches meet the stem on cannabis plants?
The location where the branches meet the stem on cannabis plants is known as the node.
Cannabis plants, like many other plants, have a characteristic structure with stems, leaves, and branches. The nodes on a cannabis plant are the specific points along the stem where the branches emerge. Each node typically has one or more branches or leaves growing from it.
Nodes play a crucial role in the growth and development of cannabis plants. They serve as points of attachment for leaves, branches, and flowers. In addition, nodes are also the sites where new growth occurs, such as the formation of lateral branches or the emergence of new leaves. The spacing between nodes can vary depending on the specific cannabis strain and its growth conditions.
Cannabis growers often pay attention to the spacing and arrangement of nodes when training or pruning their plants to optimize growth, maximize yield, or control the plant's shape. By manipulating the growth at the nodes, growers can influence the overall structure and density of the cannabis plant.
The location where branches meet the stem on cannabis plants is referred to as the node. Nodes are important for plant development and serve as attachment points for leaves, branches, and flowers. They also play a role in determining the overall shape and structure of the cannabis plant.
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In your own words, please describe the figure below. What vegetation patterns seen in the real world does this help explain?
Patterned vegetation is a vegetation community that exhibits distinctive and repetitive patterns.
Patterned vegetation refers to the spatial arrangement and distribution of different plant species or vegetation types that form distinct patterns on the landscape.
These patterns can be observed at various scales, ranging from small patches to large-scale formations, and they often result from interactions between the environment, ecological processes, and plant species. The formation and maintenance of patterned vegetation are influenced by complex interactions between biotic and abiotic factors.
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Your question is incomplete, most probably the full question is this:
In your own words, please describe the figure below. What vegetation patterns seen in the real world does this help explain?
A researcher observed an amoeba under a microscope. while she watched, the amoeba moved toward a smaller object, surrender, and brought the object inside itself. which two characteristics of life did the amoeba demonstrate?
Answer:
response to stimuli, and obtaining matter and energy
Explanation:
difnjfdjsj
Write a paragraph on how Blood Glucose goes with Negative Feedback
Write a paragraph on how Body Temperature goes with Negative Feedback
Answer:
Here are some explanations from 0nline so if you want rewrite in your own words
hope this helps :))
blood glucose-
"The control of blood sugar (glucose) by insulin is a good example of a negative feedback mechanism. When blood sugar rises, receptors in the body sense a change. In turn, the control center (pancreas) secretes insulin into the blood effectively lowering blood sugar levels."
"If the blood glucose level is too low, the pancreas releases the hormone glucagon. This travels to the liver in the blood and causes the break-down of glycogen into glucose. The glucose enters the blood stream and glucose levels increase back to normal. This is an example of negative feedback."
body temperature-
" Body temperature is regulated by negative feedback. The stimulus is when the body temperature exceeds 37 degrees Celsius, the sensors are the nerve cells with endings in the skin and brain, the control is the temperature regulatory center in the brain, and the effector is the sweat glands throughout the body."
"Body temperature is controlled by the hypothalamus in the brain. If the hypothalamus detects that the body is too hot, the response is that the body begins to sweat to try and reduce the temperature back to the correct level."
"Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances."
"Negative feedback brings a system back to its level of normal functioning. Adjustments of blood pressure, metabolism, and body temperature are all negative feedback"