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Harrizon [31]
2 years ago
15

The primary function of DNA is to

Biology
1 answer:
Daniel [21]2 years ago
7 0
Is it not to store and transmit genetic info ?
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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
2 years ago
The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n
anzhelika [568]

Answer:

B

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

7 0
3 years ago
A client with the diagnosis of obsessive-compulsive disorder attends a day treatment program. the client feels that her hands ar
mina [271]

The immediate intervention for this client is to let her limit the number she washes her hands a number of times. The advice is not to illuminate but reduce so that the client still cope with the feeling of anxiety while aiming why handwashing is not necessary. Also there is a need of washing the hands for instance after toileting.  

5 0
3 years ago
Are all human cells capable of mitosis and cell division? How does this affect the body's ability to repair itself? Support your
WITCHER [35]

Mitosis and cell division are possible in all human cells. Mitosis has several functions in the organism, including growth, cell repair, and some forms of reproduction. Humans make two types of cells. Body Cells and Reproductive Cells are two types of cells. Mitosis employs diploid cells to attack viruses and bacteria while also repairing cells.

6 0
2 years ago
Read 2 more answers
Which of the following statements about idea models is not true? a. Idea models depict a concept. b. Idea models are typically u
lapo4ka [179]
The answer is most likely C but I’m not 100% sure
4 0
3 years ago
Read 2 more answers
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