A) Intron B) Exon C) Plasmid D) TATA Box Answer (Select an option above to get the answer):
(Single Best Answer) Question 42: 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 43: 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):
(Single Best Answer) Question 44: Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP?
A) Tyrosine kinase B) Polymerase C) ATP synthase D) Adenylate cyclase Answer (Select an option above to get the answer):
A) Albinism B) Niemann Pick disease C) Metachromatic leukodystrophy D) Gaucher disease Answer (Select an option above to get the answer):
(Single Best Answer) Question 47: Which of the following substances acts to increase the release of Ca2++ from endoplasmic reticulum?
A) Inositol triphosphate B) Parathyroid hormone C) 1,25-dihydroxycholecalciferol D) Diacylglycerol Answer (Select an option above to get the answer):
(Single Best Answer) Question 48: A 3 1/2 year old child has not received primary immunization. Which of the following is the best vaccination advice to such a child?
A) BCG, DPT1, OPV1 and DPT2, OPV2 after 4 weeks B) BCG, DT1, OPV1, measles, vitamin A C) BCG, DPT1, OPV1, measles, vitamin A D) DT1, DT2 and booster after 1 year Answer (Select an option above to get the answer):
(Single Best Answer) Question 49: If the systolic blood pressure in a population has a mean of 130 mm Hg and a median of 140 mm Hg, the distribution is said to be?
A) Symmetrical B) Positively skewed C) Negatively skewed D) Either positively or negatively skewed depending on the Standard deviation Answer (Select an option above to get the answer):
(Single Best Answer) Question 50: If each value of a given group of observations is multiplied by 10, the standard deviation of the resulting observations is?
A) Original std. Deviation X 10 B) Original std. Deviation / 10 C) Original std. Deviation - 10 D) Original std. Deviation it self Answer (Select an option above to get the answer):