Biochemistry MCQs

Page No. 20

Inside the cell, the substance, which contributes to most of the osmolality, is________________?


aProtein

✖


bPotassium

✓


cUrea

✖


dPhosphate

✖


View Answer Potassium

Normal level of serum phosphorous is_____________?


a2.5 – 4.5 mgm%

✓


b7-9 mgm%

✖


c40-50 mgm%

✖


d1-2 mgm%

✖


View Answer 2.5 – 4.5 mgm%

In all the following RNA participates directly except________________?


aPost translation modification

✓


b Post transcriptional modification

✖


cDNA replication

✖


dSplicing

✖



Which of the following is most important content of diet ?


a Protein

✖


bWater

✖


cVitamin

✖


dMinerals

✓


View Answer Minerals

Enzymes increase reaction rates by______________?


aAltering the free energy of the action

✖


bInhibiting the backward reaction

✖


cEnhancing the forward reaction

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dDecreasing the energy of activation

✓



In molecular cloning, Blue White screening is used for_______________?


aTo screen for recombinant vectors

✖


bTo detect gene mutations

✖


cTo identify desired chromosomal DNA insert in plasmid vectors

✓


dTo detect host DNA in situ

✖



Heme is converted to bilirubin mainly in_____________?


aKidney

✖


bLiver

✖


cSpleen

✓


dBone marrow

✖


View Answer Spleen

The fuel value of fat is____________?


a4

✖


b7

✖


c9

✓


d5

✖


View Answer 9

The normal range of serum osmolality (in mosm/L) is_____________?


a280 to 295

✓


b300 to 320

✖


c350 to 375

✖


d200 to 250

✖


View Answer 280 to 295

Enzyme regulating the conversion of ethanol to acetaldehyde________________?


aAlcohol dehydrogenase

✓


bAcetaldehyde dehydrogenase

✖


cCatalase

✖


dEnolase

✖


View Answer Alcohol dehydrogenase

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