Question 9

Question

A single-celled organism is represented in the diagram shown below. An activity is indicated by the arrow.

Which substance is the main energy source needed to perform this process?

a
Photosynthesis
b
Enzyme
c
ATP
d
DNA

Answer 1

The main energy source needed to perform the process indicated by the arrow in a single-celled organism is:

c) ATP

ATP (adenosine triphosphate) is the energy currency of the cell and is used in various cellular processes to provide the necessary energy for functions such as metabolism, movement, and other cellular activities.