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irakobra [83]
3 years ago
8

Name Three Strategies Used By Xerophytes To Adapt To Their Environment

Biology
1 answer:
Levart [38]3 years ago
3 0
First they minimize the size of their leaf to prevent evaporation, second they have big trunk that could hold a lot of water, and third they have this long root to search water 
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Who proposed biology to be studied as a single subject?
pishuonlain [190]

Answer:

Isaac Newton

Explanation:

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2 years ago
Which of the following statements correctly describes some aspect of ATP hydrolysis being used to drive the active transport of
saw5 [17]

Answer:

B) This is an example of energy coupling

Explanation:

Energy coupling is a process by which cells carry out thermodynamically unfavorable, endergonic (energy-requiring) reactions to other exergonic (reactions that liberate free energy) reactions.

Reactions which are endergonic do not occur spontaneously as they result in a decrease in entropy and a positive free energy change, ∆G.

Exergonic reactions occur spontaneously as they result in an increase in entropy and have a negative free energy change, ∆G.

For example, the active transport of ions against their concentration gradients in cells is a non-spontaneous endergonic process which is coupled to the hydrolysis of ATP, an exergonic process in other for the reaction to proceed. ATP hydrolysis phosphorylates an amino acid side chain in the transport protein which then drives the forward process of transport of the ion.

Considering the above,

Option A: The hydrolysis of ATP is endergonic, and the active transport is exergonic is false because ATP hydrolysis is exergonic while active transport is endergonic.

Option B: This is an example of energy coupling is true.

Option C: Both ATP hydrolysis and active transport are spontaneous because they result in an increase in entropy of the system is false because only ATP hydrolysis is spontaneous

Option D: Neither ATP hydrolysis nor active transport is spontaneous is false because ATP hydrolysis is spontaneous.

Option E: ATP is acting as a transport protein to facilitate the movement of the ion across the plasma membrane is false because ATP is not a protein, rather it serves to activate the transport protein by phosphorylating it.

8 0
3 years ago
DNA replication involves the activity of various enzymes. Which of these enzymes is correctly paired with its function?a.dna pol
coldgirl [10]
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Dna polymerase adds new nucleotides to the 3' end of the new growing dna strand
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Answer:

True

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The sun is the biggest PLANET in our solar system.

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What is the disadvantage of a shallow shoulder socket
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The shallow shoulder socket makes the joint unstable, which makes the bone easy to dislocate.
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