Answer:
Once animals use oxygen, it can never be replaced. ... Plants produce oxygen as a waste product of photosynthesis.
Explanation:
No, once animals use oxygen it never is replaced.
What is aerobic respiration?Aerobic respiration: This is the process of cellular respiration that occurs in the presence of oxygen gas to extract energy from food. This type of breathing is common to most plants and animals, birds, humans, and other mammals. The end products are water and carbon dioxide.
Aerobic respiration is the process of using oxygen to break down glucose, amino acids, and fatty acids to produce ATP.
Pyruvate is then converted to acetyl-CoA in the mitochondrial matrix. The Krebs cycle occurs twice per glucose molecule. ATP synthase generates ATP from ADP and inorganic phosphate. The electron transport chain is the main channel for the production of ATP in all organisms.
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Select the correct answer.
Gary is suffering from pleurisy. Which organ is most likely to get damaged?
A.
intestine
B.
heart
C.
brain
D.
liver
E.
lungs
how does one change any form of DNA??
Answer: You need to change your emotions and the way you receive and retransmit it inwards and outwards. You also need to change your thoughts. But in doing so it can result in the of headaches and nausea sometimes.
Answer:Dna often rearranges itself by a process call recombination which proceeds via a variety of mechanisms. Occasionally DNA is lost during replication leading to a mutation. Many chemicals mutagens, some exogenous, some man-made some environmental are capable of damaging Dna.
Explanation: Here is your answer
Is this right, please help. I’ll mark as brainliest
yes! excellent job answering this question :)
What term describes the continuation of a visual sensation.
Answer:
Afterimage.
Explanation:
An afterimage describes the continuation of a visual sensation after removal of the stimulus. For example, when you stare briefly at the sun and then look away from it, you may still perceive a spot of light although the stimulus (the sun) has been removed.
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Pepsin acts on proteins in the stomach. Explain how its optimum pH is suited to its working environment
In a chemical compound, would you expect an oxide ion to be joined with one atom of calcium or
one atom of potassium? Why?
Answer:
An oxide ion, an oxygen ion with a -2 charge, should be joined with 1 atom of calcium in a chemical combination. Ca+2 O-2 would create CaO, just as it would in the formation of a compound, as we can see from the chemical formula.For more info:
https://brainly.com/question/2192431 How does drug resistance among insects and bacteria offer evidence for evolution?
Which osseous tissue is found on the surface of bones and composed of tightly arranged parallel osteons?.
You wait for game while sitting or standing in one spot. This hunting strategy is called:
still hunting
stalking
posting
trailing
PLEASE HURRY I NEED THE ANSWER NOWWW!!!!!!
Answer:
posting
Explanation:
The hunting strategy where you wait for the game while sitting or standing in one spot is called "posting." The correct option is "posting".
What is Posting?
It is a hunting strategy where a hunter positions themselves in a specific location, often a concealed or strategic spot, and waits for the game to come within range.
The hunter remains stationary and observes their surroundings for signs of wildlife activity.
This strategy is commonly employed in hunting scenarios where the hunter has knowledge of animal movement patterns, feeding areas, or travel routes.
By remaining still and patient, hunters aim to blend into the environment and minimize disturbances that may alert or scare away the game. The chosen location for posting is often selected based on factors such as visibility, cover, wind direction, and proximity to areas frequented by the target species.
Thus, the correct option is "posting".
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Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or False: After storing Euglenids in the dark, the loss of the photosynthetic pigment is permanent.
A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE
B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False
What are EuglenasEuglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.
The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed to grow exponentially for several weeks.
Hence we can conclude that Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False
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What are two ways humans impact the nitrogen cycle.
Answer:
burning up fossil fuels and making fertilizers
A characteristic that distinguishes meiosis from mitosis is.
Answer:
Most cells divide by mitosis and create two identical daughter cells. In meiosis, four non-identical daughter cells are created.
Explanation:
What is the name of the enzyme that is responsible for building a mrna strand that is complementary to a dna template strand?.
What inference can be made from the scientific discovery that life processes are shared by all organisms?
Innate behavior is programmed into the genetic code.
Natural selection is no longer the driving force of evolution.
Organisms alive today will not exist in thousands of years.
Species are linked by lines of descent or close relatives.
Answer:
species are linked by lines of descent or close relatives.
Which are examples of source and sink cells in a plant?.
Source is tissue, leaves and stem whereas sink are tubers and seeds.
Source and sink cells in a plant.In a plant cell, photosynthetic tissues, green leaves and green stems are the source where food is produce while on the other hand, germinating seeds, tubers are the sink where the food are stored so we can conclude that source is tissue, leaves and stem whereas sink are tubers and seeds.
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a) A plant has YySs. What is the phenotype? (1 point)
Answer:
Y = yellow leaves
y = greed leaves
S = smooth seeds
s = rough seeds
The presence of the dominant traits (the capital letters) dictates that the plant has yellow leaves and smooth seeds.
Explanation:
ap3x
Read the short excerpt below and answer the questions after. You will be doing math so please show your work.
During the hottest months of summer, ewes (females) and lambs come to waterholes almost daily. The male sheep (rams) sometimes do not come to water for nearly a week at a time. Rams may roam 20 miles (32 kilometers) away from the available water supply. Add 20 miles (32 kilometers) to the approximately 5 miles (8 kilometers) traveled per day, and rams may travel almost 75 miles (120 kilometers) before they drink again. Rams are believed to drink approximately 4 gallons (15.2 liters) of water when they do come to water, while a ewe drinks approximately 1 gallon (3.8 liters) and a lamb drinks 2 pints (940 milliliters).
Questions:
1. How many miles to the gallon or kilometers per liter (of water) does a ram get?
2. How many gallons (or liters) of water would a ram drink in a month?
3. How many gallons (or liters) of water would a ewe drink in a month?
4. How many gallons (or liters) of water would a lamb drink in a month?
5. How much water must be available in a waterhole for 10 rams, 16 ewes, and 7 lambs in order for them to survive the months of June, July, and August?
6. What rate of inflow would a waterfall have to have to sustain the population given above if water evaporated at a rate of 10 gallons (38 liters) per day?
Answer:
1) 20 miles
2) 4gallons (15.2 liters)
3) 1 gallons (3.8 liters
4) 2pints or 940 milliliters
5) 658.14 liters
Explanation:
Industries and car manufacturers are constantly working to lower their emissions. Factories use
something called a scrubber to help lower emissions. What do car manufacturers add to cars to help
lower emissions? (4b)
O oil drip pan
O scrubber
O catalytic converter
O pistons
Answer:
c catalytic converter
Explanation:
i just took the test
Which form of transport requires the expenditure of energy?.
Choose all the answers that apply.
Which of the following conditions are necessary for fossilization?
presence of minerals
warm temperature
exposure to oxygen
stable geological conditions
rapid burial
Answer:
warm temperature
Explanation:
it helps fossilzation
Every tRNA has an anticodon. What is the purpose of an anticodon?
Anticodons tell the tRNA when to stop retrieving amino acids.
Anticodons help the tRNA retrieve the correct nucleic acid.
Anticodons help the tRNA retrieve the correct amino acid.
Anticodons tell the tRNA when to begin retrieving amino acids.
Answer:
Anticodons help the tRNA retrieve the correct amino acid.
Explanation:
Function of Anticodons The function of anticodons is to bring together the correct amino acids to create a protein, based on the instructions carried in mRNA. Each tRNA carries one amino acid and has one anticodon.
In embryonic stage humans, birds and fish are similar in many aspects
why
help me answer this fast
Answer:
The developing of the humans, fish and other kind of embryos share the features like tails and gill like features. The human embryos resemble that of other species because these are related with the evolutionary relationship belonging to the same ancestor.
Explanation:
I hope this helps!50 POINTS AND BRAINLIEST IF YOU GIVE CORRECT ANSWER.
A Colorblind male and a female that is h o m o z y g o u s for the normal allele have offspring. what percent of males would have normal vision, what percent of males would have c o l o r b l i n d n e s s, what percent of females would have normal vision, and what percent of females would have colorblindness?
Answer:
none of the males or females could be colorblind, assuming that this question is referring to x-linked recessive inheritance patterns.
Explanation:
if it is an x linked recessive trait, then the male's genotype is [tex]x^{b} y[/tex], with (b) representing colorblindness and (B) representing normal vision. the female, who is h o m o z y g ou s for normal vision, would have the genotype [tex]x^{B} x^{B}[/tex].
It would be impossible for the dad to pass on his colorblind gene to a son, because he can only pass a Y chromosome to the son. and a daughter would get the colorblind gene, but the normal gene donated by the mom would dominate it so the daughter could not actually be colorblind
Answer:
none of the males or females could be colorblind, assuming that this question is referring to x-linked recessive inheritance patterns.
Explanation:
if it is an x linked recessive trait, then the male's genotype is , with (b) representing colorblindness and (B) representing normal vision. the female, who is h o m o z y g ou s for normal vision, would have the genotype .
It would be impossible for the dad to pass on his colorblind gene to a son, because he can only pass a Y chromosome to the son. and a daughter would get the colorblind gene, but the normal gene donated by the mom would dominate it so the daughter could not actually be colorblind
Newborn babies and hibernating animals contain a large amount of brown adipose (fat) tissue (BAT). Certain proteins in the BAT cells increase the permeability of the inner mitochondrial membrane to protons, disrupting the proton gradient. Which of the following best predicts the effect of disrupting the proton gradient in BAT?
А. The pH of the matrix will increase, allowing the production of more ATP per gram of substrate.
B. The pH of the intermembrane space will decrease, allowing a steeper proton gradient to form.
С. Electron transport and oxidative phosphorylation will be decoupled, generating more heat but less ATP.
D The number of protons available to pass through ATP synthase will increase, resulting in more ATP.
The statement 'the pH of the matrix will increase, allowing the production of more ATP per gram of substrate' best predicts the effect of disrupting the proton gradient in BAT. It is a step of cellular respiration.
Cellular respiration and proton gradientCellular respiration refers to the chemical reactions where aerobic cells can produce ATP by using the energy from foods and oxygen.
Cellular respiration has three stages: glycolysis, the Krebs cycle, and oxidative phosphorylation.
During oxidative phosphorylation, the movement of electrons is coupled to a proton gradient across the inner mitochondrial membrane to generate ATP.
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Suppose you discovered a new multicellular organism that is shaped like a cube. The organism measures 3 cells tall, 3 cells wide, and 3 cells deep. You measure one cubed cell to be 2 arbitrary units per side. Can you calculate this organism’s surface area to volume ratio?.
The organism’s surface area to volume ratio is
Ratio = 3:1
Surface area to volume ratioWith the organism features of
having a multicellular
having 3 cubical cell
each of them is having 2 a.u
total value is
T2+2+2= 6 a.u.
Therefore,
V=6x6x6
V= 216
The surface area would be
216x3= 648
Surface area to volume ratio
Ratio=648/216
Ratio = 3
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Question 26:
Answer each of the following questions clearly and concisely.
1. Compare and discuss how cells store energy and release energy using ATP. Be specific!
2. Compare lactic acid fermentation and alcoholic fermentation by describing what pyruvic acid is changed into. Be sure to include what type of organism each one takes place in.
What is pyruvic acid changed into? Organism:
Alcoholic Fermentation
Lactic Acid Fermentation
3. Name the three processes of aerobic cellular respiration. What is the total ATP produced from one glucose?
3 Processes of Cellular Respiration:
4. Name the two stages of photosynthesis and list the starting molecule(s) and ending molecule(s) of each.
Stages Starting Molecule(s) Product(s)
5. What is the general chemical equation of photosynthesis?
6. When and why does our body use lactic acid fermentation?
7. Explain how the equations for photosynthesis and cellular respiration compare.
Question 27:
Critical Reading
Read these passages from the text and answer the questions that follow.
Fermentation
An important way of making ATP without oxygen is called fermentation. It involves glycolysis but not the other two stages of aerobic respiration. Many bacteria and yeasts carry out fermentation. People use these organisms to make yogurt, bread, wine, and biofuels. Human muscle cells also use fermentation. This occurs when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration. There are two types of fermentation: lactic acid fermentation and alcoholic fermentation. Both types are described below.
Lactic Acid Fermentation
In lactic acid fermentation, pyruvic acid from glycolysis changes to lactic acid. In the process, NAD+ forms from NADH. NAD+, in turn, lets glycolysis continue. This results in additional molecules of ATP. This type of fermentation is carried out by the bacteria in yogurt. It is also used by your muscle cells when you work them hard and fast.
Did you ever run a race and notice that your muscles feel tired and sore afterward? This is because your muscle cells use lactic acid fermentation for energy. This causes lactic acid to build up in the muscles. It is the buildup of lactic acid that makes the muscles feel tired and sore.
Alcoholic Fermentation
In alcoholic fermentation, pyruvic acid changes to alcohol and carbon dioxide. NAD+ also forms from NADH, allowing glycolysis to continue making ATP. This type of fermentation is carried out by yeasts and some bacteria. It is used to make bread, wine, and biofuels.
Alcoholic fermentation produces ethanol and NAD+. The NAD+ allows glycolysis to continue making ATP.
Have your parents ever put corn in the gas tank of their car? They did if they used gas-containing ethanol. Ethanol is produced by the alcoholic fermentation of glucose in corn or other plants. This type of fermentation also explains why bread dough rises. Yeasts in bread dough use alcoholic fermentation and produce carbon dioxide gas. The gas forms bubbles in the dough, which causes the dough to expand. The bubbles also leave small holes in the bread after it bakes, making the bread light and fluffy.
Questions
1. What is fermentation?
2. Why is NAD+ so important in fermentation?
3. Both lactic acid fermentation and alcoholic fermentation begin with the same molecule. What is that molecule and where did it come from?
4. Why is bread light and fluffy?
5. Why do your muscles get sore after intense activity?
What would it look like if human eye colors showed codominance? Incomplete dominance? Describe both.
Answer:
Codominance means that neither allele can mask the expression of the other allele, in humans the eye colors of both alleles would be mixed. Like a brown-black. Incomplete dominance is if a parent had blue eyes and the child has brown eyes.
Explanation:
Why should the number of each kind of atom be equal on
both sides of a chemical reaction?
Answer:
The law of conservation of mass governs all chemical equations, stating that matter cannot be created or destroyed. As a result, each element must have the same number of atoms on both sides of a chemical equation.
Please help, I’ll mark as brainliest!
Answer:
0.05 210
Explanation:
is it right? sßsss
List three ways RNA is different from DNA?
Answer:
RNA contains the sugar ribose
DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom
RNA has the nucleolus uracil while DNA contains thymine.
Explanation: