NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is referred to as the Hexose monophosphate shunt
A
Phosphate pathways
B
Pentose phosphate pathways
C
pentose pathways
D
all of the above
Explanation: 

Detailed explanation-1: -The hexose monophosphate shunt, also known as the pentose phosphate pathway, is a unique pathway used to create products essential in the body for many reasons. The HMP shunt is an alternative pathway to glycolysis and is used to produce ribose-5-phosphate and nicotinamide adenine dinucleotide phosphate (NADPH).

Detailed explanation-2: -Why is the HMP pathway called a shunt? The HMP pathway is called a shunt because it involves some reactions of the glycolytic pathway and hence acts like a shunt for glycolysis.

Detailed explanation-3: -The pentose phosphate pathway (PPP), also known as the pentose phosphate shunt, is an important part of glucose metabolism.

Detailed explanation-4: -The pentose phosphate pathway is a metabolic pathway that occurs in the cytoplasm for the production of NADPH from NADP. In this pathway oxidation of glucose 6-phosphate takes place to produce pentoses. Thus it is also known as hexose monophosphate shunt.

Detailed explanation-5: -The glycolysis and pentose phosphate pathways (PPP) are tightly connected. The glucose entering the in cell membrane is rapidly phosphorylated by HK and converted to G-6-P. The G-6-P is metabolized either by the glycolytic pathway, generating pyruvate and lactate, or by PPP to produce NADPH.

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