Answer:
they give the lungs a really big surface area. they have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.
The walls of the alveoli are only one cell thick. This makes the exchange surface very thin - shortening the diffusion distance across which gases have to move. Each alveolus is surrounded by blood capillaries which ensure a good blood supply.Adaptations of the alveoli:
Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through.
Explanation:
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If you choices are the following;
a. use and store O2.
b. use and make ATP.
c. store energy in glucose.
d. release energy from glucose.
The answer would be b. use and make ATP.
Both processes use and make ATP but the way they do this are reversed. In cellular respiration, ATP is made by breaking down complex molecules. Photosynthesis on the other hand uses ATP to produce complex molecules.
Answer:
<h2> Each daughter molecule contains one parent strand and one newly synthesized strand</h2>
Explanation:
In DNA replication, each daughter molecule contains one parent strand and one newly synthesized strand because DNA replication is semi-conservative. One template strand is parental strand and the other one is its complementary which is new one, which is synthesized by DNA polymerase enzyme. So both daughter molecule contains one parent strand and one newly synthesized strand and they are same in the sequence of bases because each strand contains one original parental strand.
RNA because i just took the test
Answer:
did you get the correct answer?
Explanation:
