Question

how does atp supply energy for cellular activities?
○ by breaking off a phosphate group from its structure
○ by releasing the sugar molecule from its structure
○ by adding a phosphate group to its structure
○ by attaching itself to a glucose molecule

Explanation:

ATP (adenosine triphosphate) supplies energy by hydrolyzing to ADP (adenosine diphosphate) and inorganic phosphate, which involves breaking off a phosphate group from its structure. This releases energy stored in the high - energy phosphate bond. The other options are incorrect: releasing a sugar molecule is not how ATP supplies energy, adding a phosphate group would be part of recharging ADP to ATP (not energy release), and attaching to glucose is part of glucose phosphorylation (not the main way ATP supplies energy for general cellular activities).

Answer:

by breaking off a phosphate group from its structure