Ch.9 Cellular Communication

Multiple Choice

The overall process of photosynthesis

• results in the reduction of CO2 and the oxidation of H2O

• results of the reduction of H2O and the oxidation of CO2

• consumes O2 and reduces CO2

• produces O2 from CO2

Multiple Choice

ATP production during glycolysis

• requires an enzyme

• occurs in the cytoplasm

• occurs via substrate-level phosphorylation

• all of these

Multiple Choice

In eukaryotic cells, the molecules that form the electron transport chain and ATP synthase are found in

• the matrix of the mitochondria

• the inner membrane of the mitochondria

• the outer membrane of the mitochondria

• the cell membrane

Multiple Choice

Which pathway is present in both aerobic respiration and fermentation?

• citric acid cycle

• electron transport

• glycolysis

• pyruvate oxidation

Multiple Choice

The light-dependent reactions of photosynthesis

• produce ATP & NADPH and occur in the thylakoid membrane

• produce glucose and occur in the stroma

• produce ATP & reduce NADP+, and occur in the stroma

• utilize CO2 and occur in the thylakoid

Multiple Choice

photosystem I function to ____, and photosystem II functions to _____

• synthesize ATP; produce O2

• reduce NADP+; oxidize H2O

• reduce CO2; oxidize NADPH

• restore an electron to its reaction center; gain an electron from water

Multiple Choice

What is the purpose of cellular respiration?

• To get O2 into our bodies and CO2 out of our bodies

• to use the energy of sunlight to synthesize sugars

• to make ATP to power cellular molecules

• to hydrolyze ATP