1- Degradative metabolic reaction sequences are referred to as pathways. b. Cata
ID: 217505 • Letter: 1
Question
1- Degradative metabolic reaction sequences are referred to as pathways. b. Catabolic c. Anabolic d. Amphibolic e Photosynthetic 2- Which of the following steps or processes in acrobic respiration DIRECTLY consumes molecular oxygen (02)? a. Glycolysis. b. Oxidative decarboxylation of pyruvate. c. The citric acid cycle. d. Oxidative phosphorylation. e. Beta-oxidation 3- Gluconeogenesis is a(n) a. Condensation. pathway b. Catabolic c. Anabolic d. Amphibolic e. Photosynthetic Because it is a degradative pathway that also generates biosynthetic precursors, the citric acid cycle is a(n) 4. pathway a. Condensation. b. Catabolic c. Anabolic d. Amphibolic e. Photosynthetic Because they involve the removal of both electrons and protons, biological oxidations are often referred to as a. Decarboxylations. b. Dehydrations. c. Deprotonations. d. Dehydrogenations. e. Hydrogenations.Explanation / Answer
1. option b is correct.
The breakdown processes is known as catabolic process.
In the catabolic process Complex molecules undergo breakdown and from simple molecules.
for example breakdown of glucose into pyruvate. this process is known as catabolic process.
Various Pathways shows catabolic process in which Complex molecules is broken down into small molecules.
digestion of food is also a catabolic process.
2.
option d is correct.
oxidative phosphorylation as a process of formation of ATP by the use of oxygen.
oxidative phosphorylation is also known as electron transport chain.
in this process the transport of electrons and protons occurs from One Direction to another direction and the last transferred electron is accepted by oxygen.
glycolysis and citric acid cycle are the processes occurs before the electron transport chain.
3.
option C is correct.
gluconeogenesis is the pathway for the formation of glucose from pyruvate molecules. this is the completely opposite pathway of glycolysis in which glucose is broken down into pyruvate. so we can say that this process is anabolic process.
4. option d is correct.
Citric acid cycle is an amphibolic pathway means it have both reactions of catabolic and anabolic process.
Amphibolic: means both catabolic and anabolic processes occurs.
5. option d is correct
these are known as dehydrogenation reactions because removal of hydrogen ions occurs.
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