Biochemistry 3

20 Questions | By Ismayilpkn4 | Last updated: Jul 12, 2018

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Questions and Answers

1.

Which Apolipoprotein forms a part of chylomicrons?
- A.
  
  Apo B 48
- B.
  
  Apo B -26
- C.
  
  Apo A 46
- D.
  
  Apo A 48
2.

Gene duplication plays an important role in development of?
- A.
  
  RRNA
- B.
  
  MRNA
- C.
  
  MiRNA
- D.
  
  All
3.

Histone methylation cause?
- A.
  
  Decreased heterochromatin formation
- B.
  
  Increased euchromatin formation
- C.
  
  Increased transcriptionally active DNA
- D.
  
  None
4.

Hoogsteen pairing results in formation of?
- A.
  
  Double helix DNS
- B.
  
  Triplex DNA
- C.
  
  Both
- D.
  
  None
5.

Helicase induced unwinding pressure is relieved by?
- A.
  
  DNA Polymerase
- B.
  
  DNA de helicase
- C.
  
  Topoisomerase
- D.
  
  Primase
6.

Lactic acidosis related to which vitamin?
- A.
  
  Riboflavin
- B.
  
  Niacin
- C.
  
  Thiamin
- D.
  
  All
7.

Accumulation of homogentisic acid pigment is seen in?
- A.
  
  Phenyl ketonurea
- B.
  
  Alkaptonurea
- C.
  
  Both
- D.
  
  None
8.

Splicing is a function of?
- A.
  
  Sn RNA
- B.
  
  MRNA
- C.
  
  MiRNA
- D.
  
  T RNA
9.

Southern blot detects?
- A.
  
  Protein amounts
- B.
  
  DNA changes
- C.
  
  RNA changes
- D.
  
  All
10.

Receptors related to LDL?
- A.
  
  Apo E
- B.
  
  Apo B100
- C.
  
  Both
- D.
  
  None
11.

Uv light causes mutation in cells by?
- A.
  
  Formation of pyrimidine dimers
- B.
  
  Chromosomal break
- C.
  
  DNA brakage
- D.
  
  All
12.

Urea breath test done in ?
- A.
  
  Liver diseases
- B.
  
  Streptococcus infection
- C.
  
  H Pylori infection
- D.
  
  All
13.

Km unchanged ,V max reduced in?
- A.
  
  Competitive inhibitors
- B.
  
  Noncompetitive inhibitors
- C.
  
  Equibrium type
- D.
  
  None
14.

Km increased but Vmax unchanged in?
- A.
  
  Competitive inhibitors
- B.
  
  Non competitive inhibitors
- C.
  
  Competitive Equilibrium type
- D.
  
  None
15.

Protein - calorie malnutrition is seen in?
- A.
  
  Kwashiorker
- B.
  
  Marasmus
- C.
  
  Rickets
- D.
  
  All
16.

Liver glycogen phosphorylase is defective in?
- A.
  
  Mc Ardles disease
- B.
  
  Hers disease
- C.
  
  Pompes disease
- D.
  
  Al
17.

Chief regulator of iron homeostasis?
- A.
  
  Globulin
- B.
  
  Hepcidin
- C.
  
  Ferritin
- D.
  
  Transferrin
18.

Blue white screening in cloning used for?
- A.
  
  To identify desired chromosomal insert
- B.
  
  To observe mutated segment
- C.
  
  To find out introns
- D.
  
  All
19.

Peroxidase enzyme is used in estimating?
- A.
  
  Ammonia
- B.
  
  Creatinine
- C.
  
  Glucose
- D.
  
  All
20.

Zinc is a cofactor for?
- A.
  
  Pyruvate dehydrogenase
- B.
  
  Alcohol dehydrogenase
- C.
  
  Lactate hydrogenase
- D.
  
  All

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