The given statements correspond to different stages of cellular respiration, which is the process by which cells generate energy from glucose and other organic molecules. The stages of cellular respiration are glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation (including the electron transport chain). Let's analyze each statement and identify the corresponding stage:
1. Produces 32 ATP molecules: This statement refers to the stage of oxidative phosphorylation, specifically the electron transport chain. During this stage, electron carriers produced in earlier stages (glycolysis and the citric acid cycle) donate electrons to the electron transport chain, leading to the production of ATP through chemiosmosis. In total, oxidative phosphorylation generates a maximum of 32 ATP molecules.
2. Creates four ATP molecules, but then gains overall only two: This statement refers to the stage of glycolysis. Glycolysis is the initial step of cellular respiration and occurs in the cytoplasm. It involves the breakdown of glucose into two molecules of pyruvate and the production of ATP. In glycolysis, a net gain of two ATP molecules is produced. However, since two ATP molecules are used in the initial steps of glycolysis, the overall gain is only two ATP molecules.
3. Gives off carbon dioxide: This statement corresponds to the citric acid cycle (Krebs cycle). The citric acid cycle takes place in the mitochondrial matrix and completes the oxidation of glucose. During this cycle, acetyl CoA derived from pyruvate is further oxidized, leading to the release of carbon dioxide as a waste product.
4. Gives off water: This statement corresponds to the stage of oxidative phosphorylation. In oxidative phosphorylation, the final electron acceptor is oxygen. As electrons pass through the electron transport chain, they combine with oxygen and hydrogen ions to form water.
5. Produces two ATP molecules: This statement refers to the stage of substrate-level phosphorylation in the citric acid cycle. During the citric acid cycle, one ATP molecule is produced directly through substrate-level phosphorylation in one of the reactions. Thus, in each cycle, two ATP molecules are generated (although later stages of cellular respiration generate more ATP through oxidative phosphorylation).
In summary, the stages of cellular respiration corresponding to each statement are as follows:
1. Produces 32 ATP molecules: Oxidative phosphorylation (electron transport chain)
2. Creates four ATP molecules, but then gains overall only two: Glycolysis
3. Gives off carbon dioxide: Citric acid cycle (Krebs cycle)
4. Gives off water: Oxidative phosphorylation (electron transport chain)
5. Produces two ATP molecules: Citric acid cycle (substrate-level phosphorylation)
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Please help me.. ty if you do
Chloe is studying the effect a certain kind of fungus has on bacteria. Which of the following could be her hypothesis?
"I notice that when a certain fungus is present in a bacterial culture, the bacteria do not grow".
"Based on my tests, I realize that this fungus kills bacteria".
"I predict that the bacterial cultures in which I place this fungus will not grow".
"I propose that this fungus somehow kills bacteria."
Answer:
I propose that this fungus somehow kills bacteria
Explanation:
you rule out 2,3 because a hypotheses has not yet been proven therefore it is not certain
while in 1 in some cases the bacteria can also over power and kill the fungi using genes
but I chose 4 since fungi lack chloroplasts so they feed of ready made food and bacteria can be autotrophic therefore can manufacture food and so the fungi digests the bacteria in the process of trying to acquire the food since they don't have cell walls I guess
Which substance would most likely form sedimentary rock? cooled lava melted rock changed igneous rock small pebbles
Answer:
Small pebbles.
Explanation:
Sedimentary rock is formed by small sediments that, under pressure, join to form a larger rock. Things such as fossils, sand, pebbles, and shells can be found in sedimentary rock.
Hope this helps!
The substance would most likely form sedimentary rock - small pebbles
Sedimentary rocksare formed by the accumulation of sedimentsSedimentation is the collective name for processes that cause these particles to settle in place.Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped.If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.small Pebbles can be called a rock when they are cemented and create a conglomerate – a clastic sedimentary rock.Thus, The substance would most likely form sedimentary rock - small pebbles
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The route that the sensation of taste follows is a: Primary axons pass along cranial nerves VII and IX. b: Primary neurons synapse in the nucleus solitarius. c: Secondary neurons synapse in the thalamus. d: Tertiary neurons travel to the primary gustatory cortex.
Answer:
d: Tertiary neurons travel to the primary gustatory cortex.
Explanation:
The gustatory system is a sensory system that is responsible for the taste. when the food comes in contact with the taste cells present on the tongue so these taste buds carry information to the brain about flavor of the food. The chorda tympani nerve that is present at the front of the tongue, the glossopharyngeal nerve present at the back of the tongue and the vagus nerve present at the throat area and palate are the three nerve cells which carry signals to the brain stem.
Some people have sustained brain damage and lost the ability to identify color. Other people sustained different brain damage and lost the ability to detect motion. What does this indicate about our visual system
What are two things that cause ocean waves?
Answer:
Wind, and movement.
Explanation:
What two changes occurred on Earth during the most recent Ice Age?
Answer:
became very cold, most animals became extinct they did
Explanation:
correct is it
-yoda
The Two changes that occurred on earth during the most recent Ice age are :
The Weather was extremely cold Most animals went extinctThe recent Ice age
The last ice age occurred about 11700 years ago. This was a period when the glaciers covered most part of the earth. Because of the glaciers covering most parts the weather was extremely cold and this lead to the extinction of most animals that could not survive in severe weather conditions.
Hence we can conclude that the two changes that occured on earth during the most recent Ice age are :
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The underlined sentences demonstrate characterization. How does this technique support the author’s purpose?
Answer:
It shows how violent the situation was and how scared Enrique was.
Explanation:
The book "Enrique's Journey" by Sonia Nazario tells the true story of a young boy named Enrique on his quest to find his mother who has gone to America in search of work. The story delves into the dangerous and menacing obstacles that migrants like Enrique had to endure and go through to get to the safer land in America. This story is also like an insight into the borderlands that is between America and the South American nations, with migrants coming in masses in the hope of a better and peaceful future.
As seen in the excerpt from the book, the author provides a scene where gangsters threaten and even assault anyone who went as far as to help the authorities identify them. This very act of torturing or using violent means to keep people quiet shows how dangerous life is for the migrants while trying to get to the other side. The characterization in this passage shows the violent scene that migrants have to endure and the emotional fear that people like Enrique were put in.
Answer:
It shows how violent the situation was and how scared Enrique was.
Explanation:
Oil _____.
is a renewable resource
can be used directly from the ground
is the least polluting energy source
must be removed from the earth using drills
Oil well is a renewable resource
can be used directly from the ground
is the least polluting energy source
must be removed from the earth using drills
What is used to move fluid across the cell’s surface, or move the cell itself if it does not have flagella. A. Cilia B. Sodium-potassium pump C. Microtubules D. Flagella
Answer:
A. cilia
Explanation:
like flagella but smaller and around
PCR is used to – DNA. It uses – to separate a DNA molecule, and then uses a(n) – to start – at a point selected by scientists. This technique can produce millions of – of a targeted DNA sequence.
Answer:
The correct answer is - amplify, heat, primer, replication and copies.
Explanation:
Polymerase chain reaction is known as PCR. PCR is also known as a method that rapidly produce millions to billions copies of atargeted DNA sequence. It is widely used method for the separation of small DNA and amplify it to large amount to study by scientists.
So, the missing parts of the paragraph would be -
PCR is used to amplify DNA. It uses heat to separate a DNA molecule, and then uses a primer to start replication at a point selected by scientists. This technique can produce millions of copies of a targeted DNA sequence.
Thus, the correct answer would be -amplify, heat, primer, replication and copies.
How will loud music affect the number of tadpoles that develop into frogs in a pond?
Answer:
the loud music may scare the frogs thus meaning they may not want to come out to mate
Hemophilia is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree. Who has hemophilia in the pedigree that is shown? A)John and Ann B)Fred and Luke C)John, Charles, Jack, and Irene D)Ann and Marie
Answer:
B)Fred and Luke
Explanation:
On the pedigree, it is obvious that they suffer from hemophilia because they appear colored, but males(XY) need only one allele for hemophilia to be sufferers.
In hemophilia, it is x linked recessive disorder in males having X and Y chromosomes, so he need only one x chromosome in recessive manner, hence in pedigree analysis Fred and luke having has hemophilia, hence option b is correct
What is hemophilia?Hemophilia is a hereditary bleeding disorder in which the blood lacks to clot properly. This can occur for both spontaneous and post-injury or operative bleeding.
On the pedigree, it is observed that they suffer from hemophilia because it is x linked recessive disorder, they appear colored, but males (XY) need only one allele for hemophilia to be sufferers.
Blood contains several proteins known as coagulation factors that can assist in the prevention of bleeding. Although its rare, acquired hemophilia is a serious illness.
Therefore Fred and luke have hemophilia because males having chromosome XY, need only one allele for the disease, hence opton b is correct.
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Identify the parts of the female reproductive system by labeling the diagram.
1. Fallopian tube.
2. uterus
3. Fimbriae
4. ovary
5. cervix
6. vagina
hope this answer correct :)
The following is a list of the steps that occur in the production of an auditory sensation.
1. The pressure wave distorts the basilar membrane on its way to the round window.
2. Movement of the tympanic membrane causes displacement of the malleus.
3. Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve.
4. Movement of the malleus causes movement of the incus and stapes.
5. Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane.
6. Movement of the oval window establishes pressure waves in the perilymph of the vestibular duct.
The proper sequence for these steps is:_____.
a. 2, 4, 6, 3, 5, 1.
b. 2, 4, 1, 6, 5, 3.
c. 2, 1, 4, 6, 5, 3.
d. 2, 5, 4, 6, 1, 3.
e. 2, 4, 6, 1, 5, 3.
movement of the tympanic membrane causes displacement of the malleus
Which of the ideal criteria for a successful screening program is satisfied by the following statement: Screening those older than 50 years using fecal occult blood testing every year and flexible sigmoidoscopy every 3-5 years have been shown to be effective strategies for screening for colon cancer?
A. Early detection improves outcome.
B. The disease produces substantial mortality or morbidity.
C. There is a feasible testing strategy.
D. Screening is acceptable in terms of costs, harms, and patient acceptance.
Answer:
A. Early detection improves outcome.
Explanation:
These screening tests are carried out in order to the medical condition of the people who are older than 50 years. These screening tests tells us about the disease in early stages. The disease can be cured if they are diagnosed in early stages so early detection of the disease plays important role in saving the life of the patient from that dangerous disease and the results are in favor of the patient. If these screening tests are not carried out earlier so the disease may cause serious damage which leads to death.
The number and location of transmembrane segments in an integral membrane protein can be inferred from the amino acid sequence of the protein by a:__________.
a. computer-generated DNA sequence.
b. freeze-fracture replica.
c. prediction of glycosylation sites.
d. Western blot.
e. hydropathy plot.
Answer:
The number and location of transmembrane segments in an integral membrane protein can be inferred from the amino acid sequence of the protein by a computer-generated hydropathy plot (which is actually a combination of option A and E)
Explanation:
The hydropathi plot is something that enable us to measure the hydrophilicity or hydrophobicity of amino acids in a protein. The computer-generated hydropathy plot identifies the number and location of transmembrane segments. There are plenty of proteins in cells membranes that play different roles and functions. Some of them react to different ph, others with different minerals and other react to water.
Protein molecules are found in the lipid bilayer structure of the plasma membrane. The proteins are found as integral or peripheral proteins.
The location and the number of transmembrane segments can be given by:
Option e. Hydropathy plot
The technique can be explained as:
The hydropathy plots are capable of determining the position and the quantity of the integral membrane protein.It enables measuring the hydrophobic and hydrophilic sides of amino acids of proteins. This enables in identifying the property of the side chain amino acid.Therefore, a hydropathy plot should be used.
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25 POINTS!!!!!! Why may cancer cells developing in the tonsils be quickly destroyed? The tonsils are endocrine organs that house cancer-fighting hormones. The tonsils are lymphatic organs that produce cancer-fighting hormones. The tonsils are endocrine organs that produce cancer-fighting lymphocytes. The tonsils are lymphatic organs that house cancer-fighting lymphocytes.
Answer:
The correct option here is --
The tonsils are lymphatic organs that house cancer-fighting lymphocytes.
Answer:
The tonsils are lymphatic organs that house cancer-fighting lymphocytes.
What is the correct chronological order of important evolutionary events? Group of answer choices Evolution of bipedalism; regular use of stone tools; enlargement of brain to around 1,450 cc; increase in enamel thickness.
Answer:
evolution of bidepadlism,
increase in enamel thickness,
regular use of stone tools, enlargement of brain to around 1,450 cc
Explanation:
Tamir starts earning better grades in school than his sister. Which conflict will this most likely create? Tamir’s sister will begin to get poor grades in school. The siblings will begin to compete against each other. The siblings will push the boundaries against authorities. Tamir will make fun of his sister by bragging about his grades.
Answer:
The siblings will begin to compete against eachother.
Explanation:This often happens with siblings as a sort of rivalry.
The siblings will start competing with each other to get better grades. The correct answer is B.
Why will the siblings start competing?A conflict will arise when there is a difference between actions or thoughts among two or more people.
Tamir will develop a sense of superiority over his sister only on the basis of earning better grades. Thus, to maintain that position, he will try his best to consistently score more than his sister.
Whereas, his sister will develop a sense of inferiority or insecurity due to scoring lesser than him. Due to this, she will be determined to score more than him in every upcoming exam and defeat him.
This will lead to a sense of competition to achieve more than the other in every examination.
Thus, the correct option is B.
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plz halp xc
What is a system of classification that uses yes/no questions about the
observable physical characteristics of an organism in order to classify it?
A) dichotomous keys
B) trichotomous maps
C) unochotomous keys
D) pentachotomous maps
Which of these questions would be the MOST appropriate at a decision point on a dichotomous key?
A.) Can the animal see?
B.) Can the animal swim?
C.) How big is the animal?
D.) Does the animal have legs?
Which of these questions would be the MOST appropiate at a decision point on a dichotomous key?
A.) Can the animal run?
B.) Does the plant have flowers?
C.) What shape are the tree's leaves?
D.) How many legs does the animal have?
Answer:
ok.
Explanation:
First question: A
Second question: C
Third question: B
Hope this helped. Good luck on that test/Quiz!
WILL MARK BRAINLIEST!!! AP BIOLOGY QUESTION
Elements bond together to make molecules essential for living things. Which of the following is used to build nucleic acids and some lipids?
Nitrogen
Phosphorus
Potassium
Calcium
Answer:
Nitrogen and Phosphorus
Explanation:
Nucleic acids and lipids are the major organic molecules that are essential for the survival of the living. Nitrogen is the element that builds nucleic acids and lipids. Thus, option A is correct.
What are nucleic acids and lipids?Nucleic acids are defined as biopolymers made of various monomeric units of nucleotides joined together. The nucleotides are composed of phosphate, sugar, and a nitrogenous base. They include RNA and DNA which are important genetic materials of the living. The nucleic acid is made of C, H, O, N and P.
On the other hand, lipids are the macromolecules that are made of fatty acids and glycerol that make them insoluble in water and they include oils and waxes. They are composed of carbon, oxygen, and hydrogen.
Therefore, option A. nitrogen makes the lipids and nucleic acid.
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In some ecosystems, mountain lions eat deer, coyotes, and rabbits. Which of the following terms best describes these mountain lions? A. Secondary consumers. B. Producers. C. Primary consumers. D. Decomposers.
they aren't decomposes or producers
obviously we'd know that
so the remaining options are
primary and secondary consumers
these rabbits and deer, coyotes
are the primary consumers
so, this lion is the secondary consumer
which is option A
Being a predator of different carnivores makes the mountain lion a secondary purchaser as opposed to a manufacturer, or a decomposer.
What are secondary purchasers?The organisms that eat the number one customers are meat-eaters (carnivores) and are referred to as secondary consumers. The secondary customers have a tendency to be large and fewer in quantity. This continues on, all the way up to the pinnacle of the food chain.
Which animals are secondary customers?In temperate regions, as an instance, you'll discover secondary clients inclusive of puppies, cats, moles, and birds. different examples encompass foxes, owls, and snakes. Wolves, crows, and hawks are examples of secondary consumers that reap their strength from number one purchasers through scavenging.
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Through a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely Group of answer choices
Answer:
the cell is most likely a plant cell in cytokinesis
Explanation:
Cytokinesis simply means the division of the cytoplasm. It happens after the telophase stage of the cell division and leads to the formation of two distinct cells.
Cytokinesis in animal cells involves the constriction of the plasma membrane from the equator of the cell outward until two distinct cells result. The process starts from the anaphase and continues through the telophase stage of the cell division.
Due to the presence of cell walls in plant cells, cytokinesis does not just involve the constriction of the plasma membrane but the formation of cell plates at the equator of the cell. The cell plate fuses with the plasma membrane, eventually dividing the cell into two with the formation of cell walls between the two membranes of the cell plate.
The cell is most likely a plant cell undergoing cytokinesis.
CYTOKINESIS:
Cytokinesis is the process whereby the cytoplasm divides into two halves. Cytokinesis proceeds nuclear or mitotic division. Cytokinesis occurs in both plant and animal cells with similar result, however, they occur differently. In plant cells, a cell plate forms in between the cell, which serves as the point of division into two cells. However, in animal cells, a cleavage furrow is rather formed. Therefore, the cell observed to be forming cell plate is most likely a plant cell undergoing cytokinesis.Learn more: https://brainly.com/question/10606931?referrer=searchResults
Why is the citric acid cycle a cyclic pathway rather than a linear pathway?
In the oxidation of pyruvate to acetyl CoA, one carbon atom is released as CO2. However, the oxidation of the remaining two carbon atoms—in acetate—to CO2 requires a complex, eight-step pathway—the citric acid cycle. Consider four possible explanations for why the last two carbons in acetate are converted to CO2 in a complex cyclic pathway rather than through a simple, linear reaction.
Use your knowledge of the first three stages of cellular respiration to determine which explanation is correct.
The given question is incomplete as the four possible explanations or options are not provided, however, the correct options are as follows:
A) More ATP is produced per CO2 released in cyclic processes than in linear processes.
B) It is easier to remove electrons and produce CO2 from compounds with three or more carbon atoms than from a two-carbon compound such as acetyl CoA.
C) Redox reactions that simultaneously produce CO2 and NADH occur only in cyclic processes.
D) Cyclic processes, such as the citric acid cycle, require a different mechanism of ATP synthesis than linear processes, such as glycolysis.
Answer:
The correct answer would be - option B
Explanation:
Circular pathways or the cycles are able to carry out two or more than two entry and exit points for the substrate enzyme and products, So it is well suited for amphibolic reactions.
In a linear pathway, one reaction with particular substrate or reactants and result in products through the pathway completes the pathway, and the second reaction would be an independent event.
In citric acid cycle It is easier to eliminate electrons and gain carbon dioxide from compounds with 3 carbon or more carbon atoms than from a two-carbon compound such as acetyl CoA. pyruvate is 3 C compound while acetyl CoA is two carbon.
Thus, the correct answer is - option B
Suzanne has type A- blood. Which blood type could she receive in a blood transfusion? A) A+ B) O- C) O+ D) B-
Answer:
Those with A+ can only receive red blood cells from A or O blood types.
Answer:
O-
Explanation:
because.
Choose the incorrect statement from the following sentences. i.Chlorenchyma is specialized parenchyma that has chlorophyll pigment. ii.Apical meristem is responsible for growth of plants at root and shoot tips. iii.Parenchyma has thick cell wall and prominent nuclei. iv.Sclerenchyma gives stiffness and hardness to plants.
the third statement is wrong. Parenchymal cells have thin walls and the nuclei are not visible.
What is the function of the structure below, which is part of a fungus?
A. Energy production
B. Photosynthesis
C. Reproduction
Ο Ο
DP
D. Nutrient absorption
Answer: I want to say nutrient absorption
Explanation: I see you're doing biology ap ex too I need help on my biology unit 2 ap ex pretest please help me! I only have a little while!!!!
Which of the following is a requirement for a population to be in Hardy-
Weinberg equilibrium?
A. One allele must provide a benefit.
B. The population must be very large.
C. There must be a high mutation rate.
D. Immigration must outpace emigration.
SUBMIT
Answer:
B. The population must be very large.
Explanation:
One primary advantage of light microscopy over electron microscopy is that ________. light microscopy provides higher contrast than electron microscopy light microscopy provides for higher magnification than electron microscopy light microscopy allows the visualization of dynamic processes in living cells light microscopy provides for higher resolution than electron microscopy
Answer:
light microscopy allows the visualization of dynamic processes in living cells light
Explanation:
Light microscopy has a biggest advantage over electron microscopy because it all the visualisation or ability to observe living cells and biological activity such as the uptake of food, cell division and movement. Light microscopy can be use in-vivo staining techniques to visualise the uptake of colored pigments by the cells which cannot be observed with electron microscopy because in electron microscopy the element must be fixed, dehydrated or dead before been visualised . Electron microscope cannot observe living cells and can only observe dead or dry specimens so that electrons can pass through the specimen to be able to observe.
Light microscope has higher penetrating power than electron microscopy thus allows the visualization of dynamic processes in living cells. Therefore, option c is correct.
Microscopy is the technical field of using microscopes to view samples & objects that cannot be seen with the unaided eye.
Light microscopes can also be used to visualize dynamic processes in living cells because it has greater penetrating power than electron. Electron microscopes uses high-energy electrons that would damage the cells.
Electrons have shorter wavelength than visible light, so provide higher resolution than light microscopes.
Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.
Therefore, option c is correct that light microscopy allows the visualization of dynamic processes in living cells.
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The complete question is:
One primary advantage of light microscopy over electron microscopy is that
1. light microscopy provides higher contrast than electron microscopy.
2.Light microscopy provides higher resolution than electron microscopy.
3.Light microscopy allows the visualization of dynamic processes in living cells.
4.Light microscopy provides higher magnification than electron microscopy.
DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes. Which statement accurately describe the variables in this study? A. The amount of folic acid and DNA synthesized are both dependent variables. B. The amount of folic acid and DNA synthesized are both independent variables. C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable. D. The amount of folic acid is the dependent variable, and the DNA synthesized is the independent variable. E. The amount of folic acid and DNA synthesized are neither dependent nor independent variables.
Answer:
The correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Explanation:
DNA is the genetic material of most of the living organisms. In this question, Joe wants to study to see the effect of folic acid on the synthesis of the DNA. Folic acid ae the essential nutrients or vitamin for the synthesis of nitrogen bases of the DNA that are purines and pyrimidines. A dependent variable and an independent variable are two important part of any experiment.
A dependent variable is a variable being tested and measured. In the experiment Jon is conducting, the amount of DNA becomes a dependent variable that is being tested and measured in the presence of folic acid. And folic acid is the independent variable tested to check the formation of DNA in bacteria.
Thus, the correct answer is - C. The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Answer:
The amount of folic acid is the independent variable, and the DNA synthesized is the dependent variable.
Explanation:
Edmentum