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11 Dec 2019

During the energy investment phase of glycolysis

A. Two ATP are used for substrate level phosphorylation

B. Two three-carbon sugars are formed.

C. NADH is generated

D. A & B

E. A, B, & C

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Related questions

Which of the following accurately describe difference(s) between oxidative phosphorylation and substrate-level phosphorylation during aerobic respiration in eukaryotes?

a.

Oxidative phosphorylation relies on energy initially derived from redox reactions to power ATP synthase, and substrate-level phosphorylation relies on enzymatic reactions to phosphorylate ADP.
b.

Oxidative phosphorylation takes place in the inner mitochondrial membrane and substrate-level phosphorylation only occurs in the cytosol.
c.

Oxidative phosphorylation uses oxygen as a substrate and substrate-level phosphorylation uses phosphate.
d.

Oxidative phosphorylation takes place during glycolysis and the electron transport chain and substrate-level phosphorylation occurs during the citric acid cycle and chemiosmosis.
e.

Oxidative phosphorylation produces less ATP than substrate-level phosphorylation.

1. Pyruvic acid is produced in __________, and is the starting point for __________.

a. the Krebs cycle; the electron transport chain .

b. The Prep step; Glycolysis.

c. The Krebs cycle; Glycolysis.

d. The electron transport chain; The Prep step.

e. Glycolysis; The Prep step.

2. Which process enables glycolysis to continue to run by generating needed reactants without oxygen?

a. Aerobic respiration

b. Electron transport chain

c. Krebs cycle

d. Fermentation

e. All of the above

3. When water is oxidized by green plants, what is produced?

a. oxygen

b. carbon dioxide

c. sulfur granules

d. hydrogen sulfide

4. In cyclic photophosphorylation, the electrons

a. return to chlorophyll in PS I.

b. are used to make ATP & NADPH.

c. are energized in both PSI and PSII.

d. are converted to glucose.

5. In the Calvin-benson cycle:

a. oxygen is used to synthesize sugars.

b. carbon dioxide is used to synthesize

sugars.

c. ATP is formed.

d. light is required.

6. Light dependent reaactions:

a. capture the energy of sunlight with chlorophyll in PS I & PS II

b. make ATP & NADPH using electron transport chains

c. energize electrons in both PSI & PSII

d. include both cyclic and noncyclic pathways

e. all of the above

7. The five-carbon sugars of nucleotides are

derived from either the ______ or ______.

a.pentose phosphate pathway; Entner-Doudoroff pathway

b. pentose phosphate pathway; the Krebs cycle

c. Entner-Doudoroff pathway; glycolysis

d. glycolysis; the Krebs cycle

8. The pentose phosphate pathway provides a means to break down glucose and synthesize

a. DNA

b. six-carbon sugars.

c. peptidoglycan

d. galactose.

1. All of the following ligands interact directly with receptors in the membrane except? a. Wnt b. peptides c. proteins d. steroids e. growth factors

2. We can divide aerobic catabolism into five segments (if we consider glycolysis to have two. In which of the segments is GTP generated by substrate level phosphorylation? a. glycolysis (hexose). b. glycolysis (triose) c. pyruvate decarboxylation d. Krebs cycle e. electron transport

3. In which of the above choices is ATP generated by substrate level phosphorylation.

4. Surprisingly, in a number of reactions in which either ATP or GTP are involved, the critical event is not due to the hydrolysis of the triphosphate, but to its binding. Nevertheless, in which of the following processes is hydrolysis directly involved? a. release of myosin from actin b. activation of G proteins c. formation of COPII vesicles d. phosphorylation of glucose e. transport through the nuclear pore

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