1)In eukaryotes, glycolysis takes place in the blank , and the citric acid cycle
ID: 203346 • Letter: 1
Question
1)In eukaryotes, glycolysis takes place in the blank , and the citric acid cycle and oxidative phosphorylation takes place in the blank .
2)The breakdown of glucose is an example of an oxidation-reduction reaction in which blank is oxidized to carbon dioxide and at the same time blank is reduced to water.
3)In the absence of oxygen, pyruvate can be broken down by two major fermentation pathways to produce blank and blank .
4)The energy in organic molecules is released all at once to produce ATP.
True
False
5)How many reactions is the citric acid cycle composed of?
Two
Four
Six
Eight
6)Fatty acids are broken down in a process called what? This process does not produce ATP, but releases a large number of the electron carriers NADH+ and FADH2 that can be used in the electron transport chain to generate many molecules of ATP.
Citric acid cycle
Oxidative phosphorylation
Beta oxidation
Glycolysis
7)The citric acid cycle is called a cycle because the starting molecule [blank] is regenerated at the end.
8)Fatty acids are broken down in a process called what? This process does not produce ATP, but releases a large number of the electron carriers NADH+ and FADH2 that can be used in the electron transport chain to generate many molecules of ATP.
Citric acid cycle
Oxidative phosphorylation
Beta oxidation
Glycolysis
9)Ethanol fermentation occurs in what organisms?
Bacteria
Plants
Animals
Fungi
10)During acetyl coA synthesis, part of the pyruvate molecule is oxidized and splits off to form blank . The electrons lost in the process are donated to NAD, which is reduced to form blank . The remaining part of the original pyruvate molecule is the blank (C2H3O), which is transferred to coenzyme A, a molecule that carries C2H3O to the next set of reactions.
A.Two
B.Four
C.Six
D.Eight
Explanation / Answer
1)In eukaryotes, glycolysis takes place in the cytoplasm, and the citric acid cycle and oxidative phosphorylation takes place in the mitochondria .
2)The breakdown of glucose is an example of an oxidation-reduction reaction in which glucose is oxidized to carbon dioxide and at the same time oxygen is reduced to water.
3)In the absence of oxygen, pyruvate can be broken down by two major fermentation pathways to produce lactic acid and alcohol (ethanol) .
4)The energy in organic molecules is released all at once to produce ATP. It ia false as the energy release from organic molecules is a gradual oxidation process involving both glycolysis and citric acid cycle.
5)The citric acid cycle is composed of eight reactions
6)Fatty acids are broken down in a process called beta-oxidation. This process does not produce ATP, but releases a large number of the electron carriers NADH+ and FADH2 that can be used in the electron transport chain to generate many molecules of ATP.
7)The citric acid cycle is called a cycle because the starting molecule oxaloacetate is regenerated at the end.
8)Fatty acids are broken down in a process called beta-oxidation. This process does not produce ATP, but releases a large number of the electron carriers NADH+ and FADH2 that can be used in the electron transport chain to generate many molecules of ATP.
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