Oxygen moves from the lungs to the blood

a. by way of simple diffusion because the oxygen concentration in the blood is lower than than the lungs and diffuses down its concentration gradient.
b. by way of active transport requiring energy to overcome the repulsive forces of the cell membrane.
c. by way of facilitated diffusion through a protein channel in the cell membrane since oxygen would normally be repelled by the membrane.
d. by way of active transport to build up the oxygen concentration in the blood.

Answers

Answer 1
B I think is the correct answer

Related Questions

Which is not a component or stage of photosynthesis?


Which is not a component or stage of photosynthesis?

The light reactions
The Calvin cycle
An electron transport chain
The Krebs cycle

Answers

Answer:

I believe the answer is C, its been a while since I've learned this

Cross two pea plants. Both are heterozygous for seed type; round (R) is dominant to wrinkled (r).

Answers

Answer: I hope the file helps you out :)

A proper balance of oxygen and carbon dioxide must be maintained in the human body to survive. Which of the following body systems is responsible for taking in and releasing these gases to ensure homeostasis?

Answers

Pls look on my page and help while I do ur question

Glycans are a virulence factor for which group of organisms?
A. fungi
B. viruses
C. bacteria
D. protozoa
E. helminths

Answers

Answer:

C.bacteria

Explanation:

because bacterial glycans are attractive pathogen-specific targets. Bacterial cells are coated with an impressive array of glycan structures that comprise their cell wall

Glycans are a virulence factor for bacteria. So, the correct option is C.

What are Glycans?

Glycans are also known as polysaccharides, are carbohydrate-based polymers made by all living organisms. They are basically chain-like structures that are composed of single sugar molecules (monosaccharides) linked together by chemical bonds.

Now, out of given organisms, only bacterial cell walls are mainly composed of polysaccharides. So, these glycans sites are target sites for disease-causing agents to perform their activity.

Therefore, glycans are a virulence factor for bacteria.

To understand more about Bacteria, refer to the link:

https://brainly.com/question/6941760

Can someone answer this question for me

Answers

Answer:

The cell membrane

Explanation:

Answer:

The biologist is most likely studying plasma or cell membranes. As within these membranes, there are both a combination of lipids and proteins arranged in a fluid mosaic manner, in which the 2 main layers arranged are phospholipids.

Explanation:

Do both roots and leaves store food?

Answers

Answer:

None of them does

Explanation:

the function of the root is to Absorb the water and the leaves to Absorb ligh

Which best describes probability?

Answers

A:
the likelihood that something will happen

Question 7
In a catabolic reaction, electrons from food are?

Answers

Answer:

In A Catabolic Reaction, Electrons From Food Are O Removed By Oxidation And Stored In NADH.

Explanation:

How do we know green light is not absorbed by chlorophyll?

Answers

Answer:

Green light is the wavelength of light that is reflected instead of absorbed by the chloroplasts.

Explanation:

hope this helps

based on this information, scientist could predict that the base _____ pairs with ______ and the base
_____ pairs with ______ in the formation of the DNA molecule

Answers

Based on this information, scientist could predict that the base [tex]\boxed{ adenine }[/tex] pairs with [tex]\boxed{ thymine }[/tex] and the base [tex]\boxed{ cytosine }[/tex] pairs with [tex]\boxed{ guanine }[/tex] in the formation of the DNA molecule.

[tex]\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘[/tex]

Which statements help explain how Earth formed as part of the solar system? Select the two correct answers. (1 point)
-The denser rocky material in the solar nebula stayed closer to the sun.
-Gaseous planets slowly changed to rocky planets after colliding with meteorites.
-Water and ammonia condensed from gases to ice particles.
-Very large asteroids broke apart to form rocky planets, including Earth.
-The accretion of cosmic dust formed the seeds of planets, including Earth

Answers

The statements 'the accretion of cosmic dust formed the seeds of planets' and 'the denser rocky material in the solar nebula stayed closer to the sun' help explain how Earth formed. It is part of the solar system.

The solar system

The solar system consists of the Sun and eight planets (i.e., Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune).

The solar system is also composed of Pluto (a dwarf planet) many different moons, asteroids, etc.

The solar system formed approximately 4.6 billion years ago from interstellar gas and dust.

Learn more about the solar system here:

https://brainly.com/question/12075871

Answer:

The accretion of cosmic dust formed the seeds of planets'
The denser rocky material in the solar nebula stayed closer to the sun

Explanation:

I took the Exam :)

Which term describe the resting phase of the cell cycle?

Answers

Answer:

interphase.

The interval in the cell cycle between two cell divisions when the individual chromosomes cannot be distinguished, interphase was once thought to be the resting phase but it is far from a time of rest for the cell.

hope this helps<3

Which characteristic distinguishes dwarf planets from planets?
orbits the Sun
is round
is not a moon
has not cleared its orbit of objects

Answers

Answer:

D- has not cleared its orbit of objects

Explanation:

just took it

:))

Answer:

other person is right its D.

Explanation:

Which things need to be present for natural selection to take place? (select all that apply)
A.Variation in the population.
B.The ability for asexual reproduction.
C. Competition between organisms.
D. Large amounts of resources.

Answers

Answer:

A & C

Explanation:

Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

YES - A) You must have variation in the population, typically in the terms of "fitness" or having admirable/sucessful traits that make them more likely to reproduce and ensure their own offspring are fit too.

NO - B) It is sexual (not asexual) reproduction that uses natural selection for their offspring. Although some asexual organisms use natural selection, it is ALWAYS used if possible with natural selection to ensure the fitness of characteristics is passed down.

YES - C) Competition is necessary for natural selection to occur. When those who are more physically fit compete, they are more likely to live against their opponent and therefore pass on the trait of fitness.

NO - D) Although resources are necessary, large amounts are not as it does not lead to fighting over them (scarcity) bringing us back to the need for competition above.

Hope this helped!

Which of the following do animals gain from cellular respiration?
Carbon dioxide
O Sugar
O Energy
O Water

Answers

Answer:

carbon dioxide , Water

hope it help

which statement dose not describe radioactive atoms

Answers

Answer:

put the picture of the question

Explanation:

please

Which of these is a feature of eons in the geologic time scale? (1 point)
-They are divided into periods.
-They are divided into 100-million-year divisions.
-They are the longest divisions of time.
-They are the shortest divisions of time.

Answers

D. They are in the shortest divisions of time

They are the LONGEST DIVISIONS

of time.

Pictured below is proof that the answer is right, good luck on the final exam!

Which is one reason for the formation of global winds? (1 point)
-uneven heating of Earth's surface
-fewer daylight hours in Arctic regions
-loss of energy as warm air rises
-condensing of moisture in cooling air

Answers

One reason for the formation of global winds is the uneven heating of the Earth's surface.

The uneven heating of the Earth's surface is primarily caused by variations in solar radiation received at different latitudes.

The equator receives more direct sunlight when the sun's rays strike the Earth's surface, they heat the air in contact with it. n the poles, resulting in a temperature gradient across the planet. This temperature gradient drives the formation of global winds.

Fewer daylight hours in Arctic regions: This option is incorrect. The number of daylight hours in a region does not directly contribute to the formation of global winds. While sunlight does play a role in heating the Earth's surface and driving atmospheric circulation, the length of daylight hours is not a determining factor.

Loss of energy as warm air rises: This option is valid. As warm air rises due to heating from the Earth's surface, it expands and cools. This cooling causes the air to lose energy, and as a result, it becomes denser and sinks back toward the surface. This sinking motion creates regions of high pressure, which contribute to the formation of global winds.

Condensing of moisture in cooling air: This option is incorrect. The condensation of moisture in cooling air relates to the formation of clouds and precipitation, but it does not directly influence the formation of global winds.

Therefore, the uneven heating of the Earth's surface, due to variations in solar radiation, is a significant reason for the formation of global winds.


For more such answers on global winds
https://brainly.com/question/30654141

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Answer: A) uneven heating of Earth's surface

Hope it helps ^_^

you are farmer whose main crop is corn for you have notice that there is a decline in the quantity of corn produced this is due to the numerous insect and pets that inhabiting the corn farm in the last few years you decided to seek advice in agricultural office in your municipality on now to get the rate of this pests assuming that you were given advice by subject matters expert working in agricultural office enumerate the steps that you're going to do? applying the application of recombinant DNA​

Answers

Answer:

.

Explanation:

.....................

Biodiversity can include genetic diversity within a population or variation of populations within an ecosystem. Given this information, which of the following is likely to have the most biodiversity?
A. a tropical forest
B. an arctic tundra
C. a deciduous forest
D. a residential backyard

Answers

Answer: A= A tropical Forest

Explanation: the largest biodiversity rate is in brizal. And Brizal hold 1/3 of the worlds largest Tropical forest, and 60% of the Amazon Rainforest than the other answers listed

How is energy "lost" by organisms?
A.heat
B.cellular respiration
C. egested waste
D.biomass

Answers

Answer:

The think your answer is option B

Answer:

Heat energy lost by organism.

Explanation:

I think no A is the answer

Which type of soil is likely to be found
in horizon E?

Answers

Answer:

sandy soil

Explanation:

A layer of pale, sandy soil lacking clay and iron is likely to be found in horizon E.

1. What did Mendel conclude about genes from parents to offspring?*

Answers

Answer: Paired pea traits

Explanation:

Mendel found that paired pea traits were either dominant or recessive. ... He concluded that traits were not blended but remained distinct in subsequent generations, which was contrary to scientific opinion at the time.

"Paired pea traits" is the correct answer to your question!!

Drinking wells must be drilled deeply into the ____ to obtain water? A. Zone of Aeration b . Zone of Saturation. C. Water table

Answers

Answer:

C

Explanation:

The answer would be C

The executive office or agency that is responsible for coordinating energy problems is called the

Answers

Answer:

Pretty sure it is Department of Energy

Explanation:

Is there difference between dorsal and posterior ?​

Answers

Answer:

No not at all

Explanation

Answer:

No, they both mean the same thing.

Explanation:

Posterior (or dorsal ) Describes the back or direction toward the back of the body.

An organism is born with a genetic variation not present in any of its ancestors. This variation is most likely the result of
A.circulation of blood
B.competition among individuals
C.respiration
D.a mutation in its DNA

Answers

Answer:

D

Explanation:

This is because circulation is blood,respiration and competition have no relation to changing the DNA of an organism

provide one term:when businesses produce goods and services that consumers do not want​

Answers

Answer:

Their will be low demand for the goods

Explanation:

Because goods like cigarettes are not much consumed by people

3. What is frequency measured in?
Kilowatt hours
joules
period
hertz

Answers

Answer:

hertz

Explanation:

Answer:

Hertz

Explanation:

The international system of units states that frequency is measured in hertz.

The carrier of the hereditary character in plants and animal is the

A. Cell
B. Nucleus
C. Chromosome
D. Chloroplast
E. Gene

Answers

The answer is C.
Chromosome are dark staining structures in a cell nucleus on which the organism genes (DNA Molecules) are arranged, -I.e Chromosome are the carriers of genes
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