Chapter 7+8- Photosynthesis + Cellular Respiration

Which of the following describes the result of transferring an electron from a less electronegative atom to a more electronegative atom?

• A) The more electronegative atom is reduced, and energy is released.

• B) The more electronegative atom is reduced, and energy is consumed.

• C) The more electronegative atom is oxidized, and energy is consumed.

• D) The more electronegative atom is oxidized, and energy is released

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose molecule becomes

• hydrogenated

• hydrolyzed

• oxidized

• reduced

• an oxidizing agent

Tags

NGSS.HS-LS1-7

NGSS.HS-PS1-2

Which of the following statements about NAD+ is true?

• A) NAD+ is the source of electrons used in oxidative phosphorylation.

• B) NAD+ has more chemical energy than NADH.

• C) NAD+ is oxidized by the action of dehydrogenase enzymes.

• D) NAD+ is reduced to NADH during glycolysis.

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Where does glycolysis occur in animal cells?

• A) cytosol

• B) outer mitochondrial membrane

• C) inner mitochondrial membrane

• D) mitochondrial matrix

Which chemical process generates the ATP produced in the citric acid cycle?

• A) chemiosmosis

• B) electron transport

• C) photophosphorylation

• D) oxidative phosphorylation

• E) substrate-level phosphorylation

Tags

NGSS.HS-LS1-7

The oxygen consumed during cellular respiration is involved directly in which process or event?

• glycolysis

• accepting electrons at the

  end of the electron transport chain

• the citric acid cycle

• the oxidation of pyruvate to acetyl CoA

• the phosphorylation

  of ADP to form ATP

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which of the following indicates a primary path by which electrons travel downhill energetically during aerobic respiration?

• A) glucose → citric acid cycle → ATP → NAD+

• B) glucose → NADH → electron transport chain → oxygen

• C) glucose → pyruvate → acetyl CoA → ATP → oxygen

• D) glucose → glycolysis → electron transport chain → NADH → ATP

• E) glucose → glycolysis → citric acid cycle → NADH → ATP

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which of the following metabolic processes in eukaryotic cells will proceed normally whether oxygen (O2) is present or absent?

• electron transport

• glycolysis

• citric acid cycle

• oxidative phosphorylation

• chemiosmosis

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

In addition to ATP, what are the products of glycolysis?

• A) CO2 and H2O

• B) CO2 and pyruvate

• C) NADH and pyruvate

• D) CO2 and NADH

• E) H2O, FADH2, and citrate

Which of the following correctly lists all of the energy-containing molecules produced by the catabolism of one molecule of glucose in glycolysis?

• A) 2 NAD+, 2 pyruvate, and 2 ATP

• B) 2 NADH, 2 pyruvate, and 2 ATP

• C) 2 FADH2, 2 pyruvate, and 4 ATP

• D) 6 CO2, 2 pyruvate, and 2 ATP

• E) 6 CO2, 2 pyruvate, and 30 ATP

Tags

NGSS.HS-LS1-7