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photoshop1234 [79]
3 years ago
15

PLEASE HELP ASAP!!

Biology
2 answers:
nikdorinn [45]3 years ago
4 0
I believe A is your answer
riadik2000 [5.3K]3 years ago
3 0
I think the answer is A hope this helps
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As altitude increases, air pressure __________ (increases, decreases, or stays the same). This is a(n) ________(direct, indirect
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Answer:

The correct answer is - decreases. direct.

Explanation:

Altitude is a distance measurement of distance in a vertical manner or how high something from the sea level. It helps in the height of the mountains and different places.

Air pressure and altitude are the two factors that are in direct relation as the air pressure decreases with the increase in altitude. the gases present in the higher elevations are fewer than the sea level.

7 0
3 years ago
The involvement of ATP in the nitrogenase complex is because ATP is needed to: a. provide electrons. b. phosphorylate the enzyme
german

Answer:

c. break the N2 triple bond.  

Explanation:

In the general nitrogen reduction reaction (which occurs in the nitrogenase complex), ferredoxin acts as an electron donor to Fe-protein, which in turn hydrolyzes ATP and reduces MoFe-protein. By reducing MoFe-protein one can then reduce numerous (triple bonded) substrates although, under natural conditions, it reacts only to N2 and H +.

That is, ATP must be present in the reaction so that MoFe-protein can break the triple bond N2.

The binding and hydrolysis of ATP to Fe-protein causes a change in conformation of this protein which facilitates redox reactions. The enzymatic reduction of N2 by nitrogenase requires a large energy investment, although the exact changes in free energy are still unknown.

6 0
3 years ago
Water is a common cleaning agent. It is most effective for dissolving substances with which characteristic?
murzikaleks [220]

Answer:

polar bonds

Explanation:

i had the same question on a test of mine and i got it right

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4 years ago
A leech is an example of a _______.<br><br> prey<br> host<br> predator<br> parasite
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A leech is an example of a parasite
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the girl was observing a slide of muscle under microscope identified the muscle of striated on the basis of​
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