Netmedicos.com

Turning Dreams of Medicos Into Reality...!!!
Mcqs MBBS Exams India
Welcome, GuestLogin / Register
Home >> Biochemistry >> Mcqs Page 15
(Single Best Answer) Question 141: Which of the following is responsible for cell shape and motility ?
A) Microfilaments
B) Mitochondria
C) Microtubules
D) Golgi apparatus
Answer (Select an option above to get the answer):
(Single Best Answer) Question 142: Fluoride inhibits the enzyme ?
A) Aldolase
B) Enolase
C) Pyruvate Kinase
D) Syccinyl Dehydrogenase
Answer (Select an option above to get the answer):
(Single Best Answer) Question 143: The most essential fatty acid is ?
A) Arachidonic acid
B) Linoleic acid
C) Linolenic acid
D) Palmitic acid
Answer (Select an option above to get the answer):
(Single Best Answer) Question 144: Elastin is like collagen in each of the following ways EXCEPT ?
A) it is found in striated fibrils
B) it is covalently cross-linked to other elastin molecules through structures derived from lysine residues
C) approximately 30% of its amino acids are glycine residues
D) it is a protein
E) it has a higher than average content of the amino acid proline
Answer (Select an option above to get the answer):
(Single Best Answer) Question 145: Glycogen is ?
A) a polysaccharide made up of long, branched chains of glucose units
B) a starch that is found in high quantities in peas, corn and soybeans, but not in grasses
C) a starch found primarily in liver and muscle tissue
D) a polysaccharide made up of long chains of fructose units
Answer (Select an option above to get the answer):
(Single Best Answer) Question 146: Apoenzyme is a part of an enzyme consisting of ?
A) Protein
B) Nucleotide
C) Vitamine
D) Phospholipid
E) Starch
Answer (Select an option above to get the answer):
(Single Best Answer) Question 147: Forces maintaining tertiary structures of proteins may be?
A) Disulphide bonds
B) Hydrophobic interactions
C) Hydrogen bonds
D) Ionic interactions
E) All of the above
Answer (Select an option above to get the answer):
(Single Best Answer) Question 148: Cobalt is found in ?
A) Vitamin A
B) Vitamin B1
C) Vitamin B2
D) Vitamin B12
Answer (Select an option above to get the answer):
(Single Best Answer) Question 149: In proteins the disulfide bonds are formed between which of the following residues ?
A) Proline
B) Cysteine
C) Serine
D) Histidine
E) Methionine
Answer (Select an option above to get the answer):
(Single Best Answer) Question 150: The enzyme that joins DNA molecules together is a ?
A) DNA polymerase
B) DNA ligase
C) DNA lyase
D) Restriction endonuclease
E) Reverse transcriptase
Answer (Select an option above to get the answer):