ATP (Adenosine Triphosphate) MCQ Questions and Answers

ATP (Adenosine Triphosphate) MCQ with Answers Pdf

1. What is ATP?

A. Adenosine 5'-triphosphate, or ATP, is the principal molecule for storing and transferring energy in cells.

B. adenosine triphosphate (ATP), energy-carrying molecule found in the cells of all living things.

C. Both 

D. None of these 

Answer: C


2. Full form of ATP_______

A. Adenine Triphosphate

B. Adenosine Triphosphate

C. Adenosine Tetraphosphate

D. Adenosine Tripolymer

Answer: B


3. The biologist who discovered the ATP is________

A. Daniel Olive

B. Daniel Koshland

C. Karl Lohmann

D. Emil August

Answer: C


4. The structural formula of ATP can be abbreviated as:

A. A-P~P~P

B. A-P-P-P

C. A-P-P-P

D. A~P~P~P

Answer: A


5. Which is called as the cell energy currency?

A. FAD

B. ATP

C. NAD

D. NADH

Answer: B


6. The Nobel Prize winner biologist who proposed ATP as major energy-transfer molecule in cells is

A. Fritz Lipmann

B. Emil August

C. Daniel Koshland

D. Karl Lohmann

Answer: A


7. The major source of energy to perform cellular functions such as exocytosis, endocytosis, movement, and transmission of nerve impulses is

A. Adenosine Triphosphate (ATP)

B. Flavin Adenine Dinucleotide (FAD)

C. Adenosine monophosphate (AMP)

D

 none of above

Answer: A


8. In most cases, the energy required by cells to carry out life activities comes directly from________

A. Hydrolysis of ATP

B. Breakdown of glucose

c. Hydrolysis of starch

D. Hydrolysis of fats

Answer: A


9. Where is ATP made in the cell?

A. inner membrane of mitochondrion 

B. Nucleus 

C. Golgi apparatus 

D. All of these 

Answer: A


10. Which bonds are high energy bonds that connect the phosphates in the molecule of ATP?

A. Covalent bond

B. Chemical bond

C. Ionic bond

D. Hydrogen bond

Answer: A


11. Which of the following statements about ATP is true________

A. "A" represents an adenine

B. The molecule contains a high-energy phosphate bond

C. Its structural formula is A—T~P~P

D. Direct energy substances for life activities

Answer: D


12. How much energy is released when one phosphate bond breaks?

A. 7.8 kcal per mole of ATP

B. 7.2 kcal per mole of ATP

C. 7.3 kcal per mole of ATP

D. 7.0 kcal per mole of ATP

Answer: C


13. A large amount of chemical energy in ATP is stored in_______

A. Adenosine

B. In high-energy phosphate bonds

C. Phosphate group

D. within the linkage of adenosine and phosphate groups

Answer: B


14. How many molecules of ATP are formed from the catabolism of one glucose molecule?

A. 12

B. 24

C. 36

D. 48

Answer: C


15. Which statement about ATP is incorrect is_________

A. There are 3 high-energy phosphate bonds

B. It is the direct energy source of life activities

C. Can be interconverted with ADP

D. is a high-energy phosphoric acid compound

Answer: A


16. The conversion of ADP to ATP requires_______

A. Pi, enzymes, adenosine and energy

B. Pi, energy

C. Energy, adenosine and enzymes

D. Pi, energy and enzymes

Answer: D


17. If an ATP removes two phosphate groups, the substance is one of the basic units that make up nucleic acid, called_______

A. Adenine nucleotide

B. Guanine nucleotides

C. Cytosine nucleotides

D. Uracil Nucleotide

Answer: A


18. Which of the following statements about ATP is correct?

A. All chemical bonds in the ATP molecule store a lot of energy, so they are called high-energy phosphate compounds

B. Adenosine triphosphate can be abbreviated as A-PPP

C. A large amount of energy in ATP is stored in adenosine and phosphate groups

D. A large amount of energy in ATP is stored in high-energy phosphate bonds

Answer: D


19. Which of the following statements about ATP in human cells is correct________

A. ATP is mainly produced in mitochondria

B. It contains three high-energy phosphate bonds

C. The conversion of ATP to ADP is irreversible

D. A large amount of ATP is stored in cells for physiological activities

Answer: A


20. The correct statement about enzymes and ATP is__________

A. Enzymes have multiple functions in metabolism

B. The catalytic efficiency of enzymes is always higher than that of inorganic catalysts

C. Temperature affects the rate of interconversion between ATP and ADP

D. normal cells have reverse transcriptase

Answer: C


21. Which of the following structures can produce ATP______

A. Cytoplasmic matrix

B. ribosome

C. mitochondrial matrix

D. chloroplast grana

Answer: C


22. In the ATP molecule, the chemical bonds that are easily broken and re-synthesized are_______

A. A high-energy phosphate bond close to adenosine

B. A bond between adenosine and an adjacent phosphate group

C. High-energy phosphate bonds away from adenosine

D. above three keys

Answer: C


23. ATP can be used as a direct source of energy because______

A. ATP is abundant in cells

B. The high-energy phosphate bond in ATP is very stable

C. High-energy phosphate bonds in ATP store more energy and are very unstable

D. ATP is the only compound in the body that can release energy

Answer: C

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