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natka813 [3]
4 years ago
15

What microscopic structures are in the small intestine that help absorb materials?

Biology
1 answer:
Julli [10]4 years ago
8 0

Answer:

villi/microvilli

Explanation:

the villi absorb nutrients in your small intestine, microvilli increase surface area so nutrients are taken in more quickly

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What can he assume about the number of adenine
dem82 [27]

Answer: knowing that the number of adenine will be always equal to the number of thymine.

Explanation:On the basis of base pairing rule, the purine bases bonds with the pyrimidine bases. This takes place as the configurations of pyrimidine and purine bases permit formation of hydrogen bonding between the two.  

The base pairing rule suggests that the pairing of adenine takes place only with thymine and pairing of guanine takes place only with cytosine. Two hydrogen bonds are produced between an adenine and thymine base pair, while three hydrogen bonds are produced between a guanine and cytosine base pair.

5 0
4 years ago
The word atmosphere is created from two Greek roots, atmos- and -sphere. Choose the answer with the best definition for atmos- a
Y_Kistochka [10]

Answer: vaporous ball

Explanation:

atmos- vaporous and sphere- ball but it’s just a word on its own anyway

3 0
3 years ago
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The passage through the capillary walls because of positive intravascular pressure is termed:
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I think is termed: Pressure filtration. 
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3 years ago
What causes there to be a H+ ion concentration gradient to build up inside the thylakoid space? Check all that apply. a. The ele
siniylev [52]

Answer:

a. The electrons provide energy for the H+ pump to transport more H+ ions into the thylakoid space.

d. The photolysis of water releases H+ ions into the thylakoid space.

Explanation:

This question describes the first stage of photosynthesis, which is LIGHT-DEPENDENT REACTION. The light dependent reactions involve creating ATP (energy carrier) and NADPH (electron carrier) needed for the Calvin cycle (light independent stage) to occur.

The ATP is formed by pumping hydrogen ions (H+) into the thylakoid space/lumen, hence, creating a electrochemical gradient needed for ATP synthase to synthesize ATP. The buildup of H+ ions is caused by:

- The electrons that arise when light photons hit a chlorophyll molecule is used to provide energy for the H+ pump to transport more H+ ions into the thylakoid space.

- The photolysis of water results in the production of electrons (e-) and hydrogen ions (H+). These hydrogen ions are released into the thylakoid space.

8 0
3 years ago
Which kingdom is composed of eukaryotes which are mostly unicellular that can be heterotrophs or autotrophs?
kodGreya [7K]
Im  like  99%  sure  its  kingdom portista
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3 years ago
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