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Chapter 7: Q.4 (page 203)

The energy currency used by cells is

a. ATP

b. ADP

c. AMP

d. adenosine

Short Answer

Expert verified

The correct option is (a)

Step by step solution

01

Introduction

Cellular respiration is a process in which organisms convert nutrients or food (glucose) and oxygen into chemical energy. This energy is referred to as energy currency which is used by the cell.

02

Explanation for the correct option 

Option a is correct because when the cell requires energy ATP molecules break into ADP and phosphate and provide energy to the cell. so it is considered the energy currency of the cell.

03

Step 3. Explanation of incorrect options 

Option b is incorrect because ADP (Adenosine diphosphate) is not the energy currency of the cell.

Option c is incorrect because AMP (Adenosine monophosphate) is not the energy currency used by cells.

Option d is incorrect because adenosine is not used by cells as energy.

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Most popular questions from this chapter

How do the roles of ubiquinone and cytochrome c differ from the roles of the other components of the electron transport chain?

Why is it beneficial for cells to use ATP rather than energy directly from the bonds of carbohydrates? What are the greatest drawbacks to harnessing energy directly from the bonds of several different compounds?

The control of which enzyme exerts the foremost control on glycolysis?

a. hexokinase

b. phosphofructokinase

c. glucose-6-phosphatase

d. aldolase

What accounts for the different number of ATP molecules that are formed through cellular respiration?

What is the primary difference between a circular pathway and a linear pathway?
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