Unit 4 section 1

Question 1

ATP

Answer 1

ATP is a molecule that transfers energy from the breakdown of food molecules to cell processes.

Question 2

ADP

Answer 2

ADP is a lower-energy molecule that can be converted into ATP by the addition of a phosphate group.

Question 3

How many ATPs come from a simple sugar glucose?

Answer 3

The breakdown of the simple sugar glucose yields about 36 molecules of ATP.​

Question 4

Which biomolecule provides the largest amount of ATP?

Answer 4

Carbohydrates provide the largest amount of ATP.

Question 5

Plants

Answer 5

Plant cells also need ATP, but plants do not eat food the way animals do. Plants make their own food.

Question 6

Chemosynthesis

Answer 6

A process by which some organisms use chemical energy to make energy-storing carbon based molecules.