What best describes the role of molecular oxygen (O2) in aerobic respiration?

A. It accepts electrons when reacting to form water.
B. It combines with carbon and hydrogen to form glucose.
C. It is released when glucose breaks apart.
D. It reacts to form carbon dioxide and water.

Answers

Answer 1
B
Expiation

Sorry if it’s wrong
Answer 2

Aerobic respiration involves the reaction of oxidation which involves the acceptance of electrons when the molecular oxygen reacts with protons to form water molecules. Thus, the correct option is A.

What is Aerobic respiration?

Aerobic respiration is the chemical process in which molecular oxygen is used to make the energy in the form of ATP from carbohydrates. It is also called as aerobic metabolism, and oxidative metabolism.

Aerobic organisms can use molecular oxygen (O₂) to generate energy in the form of adenine triphosphate (ATP). The role of molecular oxygen in the process of cellular respiration is to act as the end acceptor of electron. As the electrons are dropped off at the inner mitochondrial membrane during the process of cellular respiration, they travel through the electron transport chain and  are finally accepted by the molecular oxygen to form water.

Therefore, the correct option is A.

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Related Questions

What is the difference between abiotic and biotic?

Answers

Answer:

Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.

Explanation:

Question 3 of 5
Which type of weathering is most evident in the image below?
O A. Cracks from temperature changes
O B. Breaking apart by plants
O C. Abrasion
OD. Ice wedging

Answers

Answer:

you gotta post a image

Explanation:

Answer:

It's B

Explanation:

Your welcome, and have a lovely day! <3

The cytoskeleton is NOT involved in...
A. making energy
B. cell movement (locomotion).
C. maintaining cell shape.
D. maintaining cell structure.

Answers

A making energy
Hope this helped

what is the highlighted number ?

Answers

Answer:

I think it is the atomic mass, or the atomic weight.

Explanation:

The number above the symbol is the atomic mass (or atomic weight). This is the total number of protons and neutrons in an atom.  The number below the symbol is the atomic number and this reflects the number of protons in the nucleus of each element's atom.

(I'm so sorry if I'm wrong)

Hope this Helps!

Question 5 of 10

Which energy source is renewable?

A. Geothermal

B. Coal

C.Oil

D. Natural gas

Answers

Answer:

A

Explanation:

geothermal energy, solar energy, and wind energy increased, and in 2019, the combined percentage share of these renewable energy sources was greater than the combined share of wood and hydro energy.Jun 22, 2020

1. What is the function of the cell membrane? ___________________________________________
2. Explain how the cell membrane maintains homeostasis. ___________________________________
__________________________________________________________________________________

Answers

Answer:

Proteins in the cell membrane include cell-surface markers, receptor proteins, enzymes, and transport proteins.

One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Explanation: I hope this helps

2) An object is exerting a force of 1,000 N in a gravity of 20 m/s2 what is
the mass of the object in kg?
(This is for science)

Answers

Answer:

the mass is 500 kg because stating the formula for force would make u substitute and rather make mass the subject

T/F: The scientific study of how organisms are classified is called binomial nomenclature.

Answers

Answer:

True

Explanation:

For example:Homo sapiens etc.

Which of the following could NOT be a sequence of DNA?*
1.AUG
2.CAT
3.TAC
4.GCC

Answers

Answer:

cat

TA

CG

think of it as tree and Apple, car and garage

Explanation:

hope this helps :]

What process forms water vapor to turn into clouds?​

Answers

Answer:

condensation

Explanation:

The water cycle

evaporation--> condensation--> precipitation-->repeat

Which statement is true of y chromosomes

Answers

Answer:

What are the statements about the Chromosomes? If you get the statements I will gladly help out :)

Explanation:

Thank you!

I’ll definitely help if you give out the statements:)

What eats a parrotfish? Does a great white shark count‍♂️

Answers

Answer:

Shark eats a parrotfish. No but help to maintain the populations of the next-biggest predators in the food chain.

Explanation:

explain why soil micro-organisms should break down plant and animal residues​

Answers

Hello there wish you a GREAT Thanksgiving :)

Microbial Soil Orga​nic Matter Decomposition

Organic matter decomposition serves two functions for the microorganisms, providing energy for growth and suppling carbon for the formation of new cells. ... Dead plant residues and plant nutrients become food for the microbes in the soil.

Microbes thrive underneath no-till conditions and winter cover crops. cowl plants and manure may be used to feed soil microbes and recycle soil vitamins. As soil microbes decompose organic residues, they slowly release vitamins lower back into the soil for the winter cowl vegetation or for the preceding crop.

Why soil microorganisms should break down plant and animal residues?

By-products from growing roots and plant residues feed soil organisms. In turn, soil organisms support plant health as they decompose organic matter, cycle nutrients, enhance soil structure and control the populations of soil organisms, both beneficial and harmful (pests and pathogens) in terms of crop productivity.

What's the significance of microorganisms within the soil what's their role?

Useful soil microbes carry out fundamental capabilities which include nutrient cycling, breaking down crop residues, and stimulating plant boom. at the same time as the position of microbes to preserve soil fitness and make contributions to crop performance is clear, the soil organic factor is extremely difficult to take a look at and control.

Learn more about Soil micro-organisms at https://brainly.com/question/606196

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Answer this question.
An on-going research study has been tracking the dietary preferences of gorillas in the wild. Researchers are hoping to formulate a diet for gorillas in captivity that mimics those living in their natural habits. By reproducing the preferred diet, researchers hypothesize that the eventual release back into the natural habitat will be an easier transition for the gorillas.

Researchers are using various methods to make observations and collect data about the feeding habits of gorillas in the wild. Which method would be classified as direct observation?
A) Counting and classifying the debris in the area where the gorillas live.
B) Observing the gorillas from a protected location and recording what they eat.
C) Surveying the natives in the area about the diet of the local gorilla population.
D) Photographing the habitat of the gorillas in a before and after scenario and seeing what is missing from the after photograph.

Answers

Answer:

Hi, I think it is A) Counting and classifying the debris in the area where the gorillas live.

Explanation:

I am sooooo sorry if I got it wrong! Have a nice day and good luck! :)

i’m almost positive it’s A

Which statement best compares the amount of fossil fuels formed each year to the amount used each year? The amount of fossil fuels formed is exactly the same as the amount used. The amount of fossil fuels formed is approximately the same as the amount used. The amount of fossil fuels formed is much less than the amount used. The amount of fossil fuels formed is greater than the amount used.

Answers

Answer:

The amount of fossil fuels formed is much less than the amount used.

Explanation:

Fossil fuels, which include petroleum, coal, natural gas etc are an example of non-renewable sources of energy. They are termed non-renewable because they are sources that gets exhausted quickly without replenishment.

One of the characteristics of non-renewable sources of energy is that they get exhausted faster than they can be produced. Hence, regarding fossil fuels as an example of non-renewable source of energy, this means that the amount of fossil fuels formed is much less than the amount used.

Answer:

it tis C

Explanation:

NEED HELP ASAP!!! 4. How many genes control most traits?

Answers

Answer:

120000

Explanation: Each gene pool is multiplied

Which of water's special properties explains water's high surface tension?

a. Adhesion

b. Cohesion

c. Water's high specific heat

d. Water's high boiling point

Answers

Answer:

Explanation:

EU acho e a letra (C)

What is the main job of the muscular system

Answers

Create movement by relaxasion and contruction

Answer:

The muscular system creates movement

,it protects the organs

,the cardiac muscle pumps blood

,smooth muscle aids digestion

, and smooth muscle ensures blood flow

Explanation:

PLEASE HELP Due Today

List two examples of how chemical or nuclear energy can be transformed. ​

Answers

1. The sun transforms nuclear energy into heat and light energy.

2. Chemical reaction is a chemical substance that can be transformed to other forms of energy. As an example, when a fuel is burned the chemical energy of molecular oxygen is converted to heat, and the same is the case with digestion of food metabolized in a biological organism.

Answer:

Explanation:

for chemical energy is can be transformed in several ways since it is potential energy it can be transformed into kinetic energy  or into electrolysis because  batterys  contains energy within.

nuclear energy can be transformmed into a fission reaaction which helps provide nergy to large cities or the fusion reaction which is the sun providing light for all our needs!

The main sugar that is used as a reactant in cellular respiration is called blank

Answers

i think it’s glucose

Answer: Glucose its fairly simple to   remember an i hope this helps

hurry due in five min plz

Answers

Answer:

It's either D or B, I'm not really sure

Explanation:

In 1972, EPA issued a cancellation order for DDT based on its adverse environmental effects, such as those to wildlife, as well as its potential human health risks. Since then, studies have continued, and a relationship between DDT exposure and reproductive effects in humans is suspected, based on studies in animals.

Human health effects from DDT at low environmental doses are unknown. Following exposure to high doses, human symptoms can include vomiting, tremors or shakiness, and seizures. Laboratory animal studies showed effects on the liver and reproduction. DDT is considered a possible human carcinogen.

what is natural immunity

Answers

Answer:

Natural immunity occurs when you become immune to a specific disease after contracting it. This triggers your immune system to make antibodies against the germ causing the infection inside of you. Antibodies are like special bodyguards that only recognize certain germs.

Answer:

Natural immunity is the immunity got by the body without taking any drugs.

Explanation:

PLEASEEEE HELPP!!!Name 2 uses for each of the following minerals: quartz, olivine and halite.

Answers

Answer:

quartz: is used 4oscillatorsvfor watches and it is a GPS equipment

Olivine: used as casting sand and for removing impurities from steel

halite: used as food seasoning and melt snow

Explanation:

Plzzzzzzzzzzzzz give me brainiest

pls help me pls idk how to do this​

Answers

Hey There!_____________________________________Answer:_________________________________________________WATER CYCLE:

1- Evaporation:-

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. For more evaporation, the area that surrounds the surface of the water must be less humid i.e. it should not already be concentrated have the water vapors. For the evaporation we need to increase the temperature of the molecules of water on the surface, which is caused by the Sunlight.

__________________________________________________________

By keeping that in mind,

Drag the box

LIQUID --> GAS

and

WATER TURN INTO VAPOURS AND RISES UP IN THE SKY.

also

ENERGY FROM SUN CAUSES WATER TEMPERATURE TO RISE

_____________________________________2- Condensation:-

Condensation is the change of water from its gaseous form (water vapor) into liquid water.

__________________________________________________________

Keeping that in mind,

Drag box

GAS ---> LIQUID

and

WATER VAPOURS COOL IN THE SKY AND TURNS INTO CLOUDS.

_____________________________________3- Precipitation:-

Anything that is falling from the sky is precipitation. It could be rain, hail, snow, or sleet.

_________________________________________________________

Keeping that in mind,

Drag the box

WATER VAPOURS FALL ON THE EARTH IN THE FORM OF RAIN SNOW HAIL OR SLEET.

_____________________________________Best Regards,'Borz'

Which of the following is NOT a stage of the Cell Cycle (somatic cells)?
1. Cytokinesis
2. Meiosis
3. Interphase
4. Mitosis

Answers

Answer:

Meiosis

Explanation:

Only reproductive cells/gametes use meiosis.

16. Which is an abiotic factor that would affect the growth of a population within an ecosystem?

a. the availability of water

c. the type of herbivores present

b. the availability of producers

d. the number of carnivores present

Answers

Answer:

A, the availability of water

Explanation:

What is one advantage of urbanization?

Answers

Answer:

Advantages of Urbanization

Urban residents in many parts of the world tend to live longer than do rural residents, and have lower infant mortality and fertility rates. Cities provide better access to medical care, family planning, education, and social services. Recycling is more economically feasible.

Ventajas de la urbanización:

Crecimiento sostenido. El crecimiento de las ciudades va acompañado de una mayor demanda de servicios básicos y de bienes de consumo, lo cual genera un mercado mayor a satisfacer.

Concentración poblacional. Las ciudades son ámbitos más controlables por los Estados y con mayor facilidad de cobertura de redes de servicio o de distribución, dado que la población se concentra en algunos kilómetros a la redonda.

Complejización laboral. El mercado de empleo en la ciudad es mucho más diverso y variado que en las zonas rurales, permitiendo así el desarrollo y complejización de las actividades industriales, comerciales y de servicios.

What happens to the atoms of a solid when the temperature increases?

Answers

Answer:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

Explanation:

I need help on this I am confused

Answers

Answer:

I don't see the last image after the snake. Anyway, I would say C because the Snake would eat more Toads, so Snake population would increase.

what is the green pigment in leaf​

Answers

the plant cells use chloroplast which is the green pigment in leaves
Other Questions
There would be no familiar faces to greet him when he arrived. But Altaf could expect the children to hear his call.The dub-dub rhythms of the engine spread out and beckoned every boy and girl within earshot. Their short brown legs kicking up a cloud of dust, they flocked to the riverbank. They jumped up and down, their shrill voices piercing the air.Altaf had encountered this scene a hundred times as he made his way east from Calcutta through the tangled waterways of the delta. This time his motorboat did not rush past the children. It slowed down and headed right towards them. Their jumps turned into stomps and their shouts became screams of delight. When he cut the engine, Altaf heard what they were saying.Ingreji-shaheb! Ingreji-shaheb!From the back of the boat, Shiraj chuckled, They think you are an Englishman. Altaf smiled. Why not? These children might never have seen the English but having just crowned George the Sixth as Emperor of India,1 they were still the masters of this land. Altaf doubted that any other motorboat had ever come into this village. No one would expect a Bengali man to bring one here. Besides, Altaf was taller than average, fair in complexion, and wearing European clothes. He would have been more comfortable travelling in a lungi2, but today he had put on khaki pants and a sky-blue shirt. A straw hat protected his head from the sun.Exhausted after three days of travel, Altaf was relieved the journey was over. When he had turned off the Meghna river and entered this smaller channel, he was not sure this was the one that led to his village. Then he sighted, on the horizon, the corrugated iron roof framed by the twin palmyra trees with their broad leaves spread like huge fans. Home.Still, he could not be positive. He was returning after ten years. This is Modhupur village, isnt it? he shouted at the children.He-speaks-in-Bangla. Not-an-Ingreji-shaheb! Our-folk! One-of-us!He repeated his question.Yes-this-is-Modhupur. But-who-are-you? Who-do-you-want? Where-did-you-come-from?I belong to that house over there, he said, thrusting a finger towards the palmyra trees.The children swivelled their necks to look. None of them were old enough to remember him. They questioned him and each other. Are-you-this-ones-brother? Is-he-that-ones son? The-other-ones-cousin? Finally a voice made itself heard over the rest and said, Masooms-uncle-who-went-away-to-the-city. It could have been the certainty in his voiceslightly older than the othersor they may have run out of possibilities to consider, but the boys remark settled the debate. The children quieted down and just stared at Altaf, as if searching his face for some sign of familiarity so they could place him as part of their world.Clutching the mooring rope in his hands, Shiraj jumped into the water and tugged the boat towards the bank. A few of the children rushed forward to help him pull. Shiraj tied the rope around a tree. Nearby a few small dinghies were also moored. They rocked in the water from the waves stirred up by the motorboat.While Altaf supervised the mooring, the children craned their necks to look inside the boat and resumed their inquiries. Where-are-your-sails? How-can-it-move-without-sails? What-is-that-thing-you-call-an-engine? Why-does-it-make-the-loud-noise? Where-did-you-get-it-from? Are-you-a-very-rich-man?Altaf could not keep up with them. With each reply, they pelted him with a dozen more questions. At times he felt like telling them to shut up, but he enjoyed their attention. Their chatter distracted him from what lay ahead.Leaning over the bow of the boat, he passed his bedding and leather suitcase to Shiraj. He balanced himself on the edge of the hull, then leaped on to the bank.Used by permission.The events of the passage are ordered according to the familiar literary pattern ofA a journey homeB an unsolved mysteryC a quest for powerD a personal tragedyE an atonement for misdeeds Describe life in the Soviet Union under totalitarian leader Joseph Stalin In paragraph form, describe the six main points of most creation beliefs. HELPPPP 1)Didion refers to the migraines of her early years as a "shameful secret." "Migraine headaches," she writes, "were, as everyone who did not have them knew, imaginary." Why would she be ashamed of migraines?(ACES form).2) To what extent are Didion's migraines her "fault"? (Consider the notion of a "migraine personality," which Didion describes as "ambitious, inward, intolerant of error, rather rigidly organized, perfectionist." Migraine has physiological and chemical origins, but manifests in reaction to psychological stimuli and quirks of personality. How does this make it different from cancer, a flu?)3)What is the silver lining, benefit of a migraine? If a flower is not pollinated what will happen? help me I only have until 8:50 to finish this please help me What is the radius of an automobile tire that turns with a period of 0.091 s and has a linearspeed of 20.0 m/s? What kind of force is the centripetal force? Suppose that the age of all the U.S. first ladies when they married was recorded. The mean age of U.S. first ladies when they married would be a:________A) PopulationB) StatisticC) SampleD) Parameter WILL GIVE BRAINLIEST! PLEASE ANSWER! Based on the given information, which of the following is the students' correct conclusion about their experiment? A company manufactures acoustic guitars. The table shows the number of units that the company sold each month over a nine-month period beginning in January.Month, x 1 2 3 4 5 6 7 8 9Units, y 150 300 380 425 425 480 520 550 575Which equation best models the situation?a y=148.4 x-1-154b y=46.4x+191.7c y=148.4 x-1+154d y= -46.4x+191.7 At the beginning of the current period, Rose Corp. had balances in Accounts Receivable of $200,000 and in Allowance for Doubtful Accounts of $9,000 (credit).During the period, it had net credit sales of $800,000 and collections of $763,000.It wrote off as uncollectible accounts receivable of $7,300.However, a $3,100 account previously written off as uncollectible was recovered before the end of the current period.Uncollectible accounts are estimated to total $25,000 at the end of the period.(Omit cost of goods sold entries)Required:(a) Prepare the entries to record sales and collections during the period.(b) Prepare the entry to record the write-off of uncollectible accounts during the period.(c) Prepare the entries to record the recovery of the uncollectible account during the period.(d) Prepare the entry to record bad debt expense for the period.(e) Determine the ending balances in Accounts Receivable and Allowance for Doubtful Accounts. need 3 equivalent ratios for 22:55 Is it bad that the smell of burnt pie crust is nasally offending when its in the oven but gratous when its through the house.... Is this what holidays smell like? Over baked gramcracker? In the inequality 2x + $10,000 $70,000, x represents the salary of an employee in a school district. Which phrase most accurately describes the employee's salary? Which list shows the absolute values in order from least to greatest? Question 5 options: |2.36|, |5.98|, 6.1 0.2, |0.3|, |0.1| |7.6|, 5.3, 1.3 Tracy spends $97 on her cell phone bill this month. Her bill is usually around the same amount each month. If she wants to include an estimate of her cell phone bill in her monthly budget, what amount should she use? Round to the nearest ten. HELP NEED ANSWER IN 6 MINS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11 What is this one for factor to this? how do you think the system used to organized where people live is similar to how your body is organized?