Question 1 Vitamin B1, B2, B3 and B5 are part of the following molecules, Questi

Question

Question 1 Vitamin B1, B2, B3 and B5 are part of the following molecules, Question 1 options respectively A) COA-SH; FADH2, NADH: TPP B) TPP; NADH ; FADH2; CoA-SH TPP; FADH2; CoA-SH; NADH c) TPP; FADH2; NADH CoA-SIH Question 2 Glycogenolysis consume ATP while glycogen synthesis from glucose-1-phosphate Question 2 options: does; does not ) doesn't; doesn't C C) does; does C D) Question 3 does not; does Aso4 is an of glycolysis. This is because Question 3 options: A) inhibitor; glycolysis results in the formation of ATP B) inhibitor; glycolysis uses inorganic phosphate as one of the substrates C) activator; glycolysis uses Aso43 as one of the substrates D) activator; glycolysis results in the formation of ATP

Explanation / Answer

Question 1

Thiamine pyrophosphate (TPP) is a thiamine derivative so obtained from thiamine (which is B1)

Riboflavin (vitamin B2) is involved in the energy production for the electron transport chain as FADH2

Niacin (vitamin B3) is composed of two structures: nicotinic acid and nicotinamide. There are two co-enzyme forms of niacin: nicotinamide adenine dinucleotide (NAD), so NADH has Vitamin B3

Coenzyme A, can be synthesised from pantothenic acid (vitamin B5)

so answer is : TPP ,FADH2 , NADH , CoA-SH

2 ) Glycogenolysis is the breakdown of glycogen to glucose-6-phosphate and glycogen, and it does no involve energy while Glycogen synthesis is endergonic - it requires the input of energy .

so answer is Doesnot , Does

3) AsO43 is arsenate, it is an inhibitor. It replaces inorganic phosphate in the step of glycolysis. arsenate is an uncoupler of glycolysis, explaining its toxicity.

so option B

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