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Ipatiy [6.2K]
3 years ago
6

Can anyone help please

Biology
1 answer:
Anvisha [2.4K]3 years ago
8 0

1. “Research the problem” matches with “use reliable sources, talk to experts and take notes”

2. “Organize data” matches with “create charts or graphs to display the results”

3. “Design an experiment” matches with “set up a procedure for testing your ideas; including variables and controls”

4. “Hypothesis” matches with “must be testable and falsifiable”

5. “Choose a problem” matches with “Come up with a question that can be answered”

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Which of the following statements correctly describes some aspect of ATP hydrolysis being used to drive the active transport of
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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
Binary fission occurs when a parent cell splits into _ identical daughter cells of the same size ?
spayn [35]
<span>Binary fission occurs when a parent cell splits into 2 identical daughter cells of the same size. </span>
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Select the plant phyla.
Triss [41]
Brachiopoda hope this helps :)
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a leaf cell has a very low concentration of salt. What would happen to a leaf cell if it were placed in a highly concentrated sa
Travka [436]

Answer:

When a leaf is placed in a solution whose salt concentration is higher than the salt concentration of the leaves, the water with in the leaves shall move out of the leaves due to the osmotic pressure gradient. This will cause the plant cell devoid of water thereby leading them to shrink and wilt.

Explanation:

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March the following parts of a flower with their description
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what are the choices

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