AP Biology Unit 3 Review

Where does the carbon come from that is used to form glucose?

• The soil

• CO₂ in the air

• From other carbohydrates

• Calvin Cycle

Tags

NGSS.HS-LS2-5

When oxygen is released as a result of photosynthesis, it is a direct by-product of

• reducing NADP+

• splitting water molecules

• chemiosmosis

• electron transfer in photosystem II and I

Tags

NGSS.HS-LS2-5

Which of the following is NOT a way that enzymes speed up chemical reactions?

• strain bonds in the structure

• orient reacting molecules

• provide favorable environment

• increase required energy of activation

Which structure is unaffected by denaturation?

• Primary

• Secondary

• Tertiary

• Quaternary

Describe the difference between competitive and noncompetitive inhibitors.

• noncompetitive binds to active site and competitive binds to other site

• competitive binds to active site and noncompetitive binds to other site

• competitive is irreversible and noncompetitive is reversible binding

• noncompetitive is irreversible and competitive is reversible binding

Where did photosynthesis first evolve?

• prokaryotic organisms

• alien organisms

• eukaryotic organisms

• abiotic processes

Tags

NGSS.HS-LS4-2

Where does the electron transport chain take place?

• chloroplasts

• prokaryotic plasma membrane

• mitochondria

• all of the choices

Tags

NGSS.HS-LS1-7

Which process does NOT require oxygen?

• Glycolysis

• Oxidative Phosphorylation

• Krebs Cycle

• Aerobic respiration

Tags

NGSS.HS-LS2-3

Describe the pathway of electrons in the light reactions.

• H₂O → PSI → ETC → PSII → NADPH

• H₂O → PSII → ETC → PSI → NADPH

• H₂O → PSII → ETC → PSI → NADH

• H₂O → PSI → ETC → PSII → NADH

Tags

NGSS.HS-LS1-5

Which of the following is NOT a step in cellular respiration?

• Glycolysis

• Krebs Cycle

• Oxidative Phosphorylation

• Calvin Cycle

Tags

NGSS.HS-LS1-7