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


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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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