Cellular Respiration: Energy Extraction Question Preview (ID: 25331)


This Review Will Reinforce How Much Energy Is Released Through The Krebs Cycle. TEACHERS: click here for quick copy question ID numbers.

As the Krebs cycle continues, the citric acid is broken down, more carbon dioxide is released, and electrons are transferred to:
a) energy carriers
b) energy recyclers
c) energy destroyers
d) energy creators

What type of mloecule is produced in the last step of the Krebs cycle?
a) 3-carbon
b) 4-carbon
c) 6-carbon
d) 7-carbon

Which molecule accepts acetyl-CoA in the first step of the Krebs cycle?
a) 3-carbon
b) 4-carbon
c) 6-carbon
d) 7-carbon

Which molecule is needed to start the reactions of the Krebs cycle?
a) 3-carbon
b) 4-carbon
c) 6-carbon
d) 7-carbon

For each of the Krebs cycle, how many ATP molecules are produced form the conversion of a ADP molecule?
a) 1
b) 2
c) 3
d) 4

During the process of glycolysis, 2 molecules of pyruvic acid are produced from 1 molecule of glucose. How many ATP molecules are produced from the 2 molecules of pyruvic acid?
a) 1
b) 2
c) 3
d) 4

When the electron carrier NAD+ accepts a pair of high-energy electrons along its way through the Krebs cycle, what is it changed into?
a) NADPH+
b) NAP+
c) NAPH+
d) NADH

When the electron carrier FAD accepts a pair of high-energy electrons along its way through the Krebs cycle, what is it changed into?
a) FADPH+
b) FADPH2
c) FADH+
d) FADH2

Another name for the Krebs cycle is the:
a) sulfuric acid cycle
b) nitric acid cycle
c) citric acid cycle
d) electron carrier cycle

The Krebs cycle takes place in a cell organelle called the:
a) cytoplasm
b) mitochondria
c) chloroplast
d) endoplasmic reticulum

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