Chapter 8 Review

What are the three parts of an ATP molecule?

• adenine, thylakoid, and a phosphate group

• stroma, grana, and chlorophyll

• adenine, ribose, and three phosphate groups

• NADH, NADPH, and FADH2

Which of the following is NOT a part of an ATP molecule?

• adenine

• ribose

• chlorophyll

• phosphate

Energy is released from ATP when

• a phosphate group is added.

• adenine bonds to ribose.

• ATP is exposed to sunlight.

• a phosphate group is removed.

Which of the following is NOT a true statement about ATP?

• ATP consists of ribose, adenine, and three phosphate groups.

• ADP is produced when ATP releases energy.

• ATP provides energy for the mechanical functions of cells.

• Uses ATP is discarded by the cell as waste.

Organisms, such as plants, that make their own food are called

• autotrophs.

• heterotrophs.

• thylakoids.

• pigments.

Organisms that cannot make their own food and must obtain energy from external sources are called

• autotrophs.

• heterotrophs

• thylakoids

• plants

Which of the following organisms makes its own food using light energy from the sun?

• mushroom

• amoeba

• leopard

• oak tree

Which of the following organisms is a heterotroph?

• mushroom

• algae

• wheat

• sunflower

What happens during photosynthesis?

• Heterotrophs consume ATP.

• Heterotrophs produce ATP.

• Autotrophs consume carbohydrates.

• Autotrophs produce carbohydrates.

Plants gather energy with light-absorbing molecules called

• pigments.

• thylakoids.

• chloroplasts.

• glucose.