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Afina-wow [57]
3 years ago
14

The free energy for ATP hydrolysis in vivo is actually > the standard free energy change of -30 kJ mol-1 because ________. a.

It has stronger electrostatic repulsion b. It can participate in phosphoryl group transfers c. Of the actual concentrations of ATP and its hydrolysis products in cells d. It can easily be formed from other nucleotide triphosphates
Biology
1 answer:
Julli [10]3 years ago
5 0

Answer:

The correct answer will be option C.

Explanation:

ATP is the energy molecule which on hydrolysis provide energy to the cells for metabolic functions.

In vitro, the standard free energy of the ATP is -30.5 kJ/mol but its value varies in the cell as the concentration of ATP and its products like ADP, AMP and Pi are unequal in a cell. The Mg2+ in the cytosol has the ability to bind ATP and ADP, as well as the time of ATP hydrolysis, differs from cell to cell, thus influencing the concentration of ATP and its products.

Thus, option C is the correct answer.

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2 years ago
A patient's HDL, LDL, and triglyceride levels are 62, 77, and 60, respectively. What is the patient's total cholesterol score? S
Len [333]

Answer:

Total cholesterol score is 199

199 is high cholesterol score especially as it very close to 200. The patient should adopt diets that do not include high cholesterol food

Explanation:

a. Firstly, we want to calculate the patient’s total cholesterol score.

To get this, we use a mathematical approach.

Mathematically;

the total cholesterol score = HDL + TDL + Triglyceride = 62 + 77 + 60 = 199

The patient’s total cholesterol score is 199

b. As a doctor, I will advice the patient on the status of these measurements. Using the scale of cholesterol level, a measurement of total cholesterol = 200 represents a high cholesterol level. Since 199 is very close to 200, the patient is at a risk of high cholesterol levels and thus needs a dietary change.

8 0
3 years ago
What relationship exist between amino acid and protein?
irina1246 [14]

Explanation:

When connected together by series of peptide bonds, amino acids form a polypeptide, another word for protein. The polypeptide will then fold into a specific conformation depending on other interactions (dashed lines) between its amino acid side chains.

4 0
3 years ago
The Energetics of Coupled Transport
andrezito [222]

Answer:

Explanation:

A. False - A symporter system requires that one of the molecules to be transported using passive transport.

B. True - The Na+ will move down the established concentration gradient releasing energy to facilitate movement of sucrose against its concentration gradient. This is known as secondary active transport.

C.  False -  sucrose moves through ion channels not by diffusion to better control its movement across the membrane.

D. True - Movement of molecules against their concentration gradient thus requiring energy input is known as active transport.

E. False - One of the molecules needs to be moving against its concentration gradient.

F. False - A Uniporter system allows the binding and transport of a single molecule at a time. A symporter allows simultaneous binding and transport of Na+ and sucrose molecules.

6 0
3 years ago
how does the energy of the reactants and products differ between an energy absorbing reaction and an energy releasing reaction
Nikitich [7]
In an energy absorbing reaction, the energy of the products is greater than the energy of the reactants. In an energy releasing reaction, the energy of the reactants is greater than the energy of the products.
6 0
3 years ago
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