A) A stretch of hydrophilic amino acids B) A stretch of hydrophobic amino acids C) A disulphide loop D) Alternating hydrophilic and hydrophobic amino acids Answer (Select an option above to get the answer):
(Single Best Answer) Question 1342: A person on a fat free carbohydrate rich diet continues to grow obese. Which of the following lipoproteins is likely to be elevated in his blood?
A) Chylomicrons B) VLDL C) LDL D) HDL Answer (Select an option above to get the answer):
(Single Best Answer) Question 1343: A young man finds that every time he eats dairy products he feels very uncomfortable. His stomach becomes distended. He develops gas and diarrhea frequently. These symptoms do not appear when he eats foods other than dairy products. Which of the following is the most likely enzyme in which this young man is deficient?
A) alpha - amylase B) beta - galactosidase C) alpha- glucosidase D) Sucrase Answer (Select an option above to get the answer):
A) Intron B) Exon C) Plasmid D) TATA Box Answer (Select an option above to get the answer):
(Single Best Answer) Question 1345: An enzyme that makes a double stranded DNA copy from a single stranded RNA template molecule is known as?
A) DNA polymerase B) RNA polymerase C) Reverse transcriptase D) Phosphokinase Answer (Select an option above to get the answer):
(Single Best Answer) Question 1346: A small Ca2+ binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca2+ concentration, is known as?
A) Cycline B) Calmodulin C) Collagen D) Kinesin Answer (Select an option above to get the answer):
A) Proteases B) Proteosomes C) Templates D) Chaperones Answer (Select an option above to get the answer):
(Single Best Answer) Question 1348: Cytochrome C of the bacteria has 50% identity of amino acid sequence with that of human. Which of the following is the most conserved parameter in these two proteins?
A) Quaternary structure B) Tertiary structure C) Amino acid sequence D) Loop and turn segments Answer (Select an option above to get the answer):
A) Kinin system B) Cytokines C) Chemokines D) Arachidonic acid metabolites Answer (Select an option above to get the answer):
(Single Best Answer) Question 1350: A patient undergoing caesarian section following prolonged labour under subarachnoid block developed carpopedal spasm. Lignocaine was used as anaesthetic agent. The most likely diagnosis is?
A) Amniotic fluid embolism B) Lignocaine toxicity C) Hypocalcemia D) Hypokalemia Answer (Select an option above to get the answer):