Methotrexate is toxic to human cells because it inhibits synthesis of PRPP None of these formation of CTP from UTP reduction of H2 folate to H4 folate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following sets belongs to a distinct class or category? Ribose, sucrose, glucose, fructose Nucleotide, nucleoside, nucleus, DNA Oils, sterols, waxes, fats Sterols, waxes, fatty acids, amino acids. TRUE ANSWER : ? YOUR ANSWER : ?
A deficiency of the enzyme Hypoxanthine Guanine phosphoribosyl transferase (HGPRT) may cause Gaucher's disease Lesch- Nyhan syndrome Kleinefelter's syndrome Ehlers-Danlos syndrome TRUE ANSWER : ? YOUR ANSWER : ?
The disorder in which of the following may cause "Ehlers-Danlos Syndrome"? Globulin protein Collagen protein Dlashin protein Fibrin protein TRUE ANSWER : ? YOUR ANSWER : ?
Klinefelter syndrome is a manifestation of which chromosome aneuploidy? None of these XXY XXX XYY TRUE ANSWER : ? YOUR ANSWER : ?
What is the defective enzyme in the glycogen storage Von Gierke's disease? Phosphofructokinase Phosphorylase Glucose-6-phosphatase None of these TRUE ANSWER : ? YOUR ANSWER : ?
If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC? RBC will destroy Cell will shrink Cell will Burst No change to RBC TRUE ANSWER : ? YOUR ANSWER : ?
Which of the modification in hemoglobin is the cause of sickle cell anemia? A deletion in the beta chain Replacement of the B chain by D chain A mutation in the beta chain None of these TRUE ANSWER : ? YOUR ANSWER : ?
Which of the protein is involved in Alzheimer's disease? Alzhemin A4 Fibrin Amylin TRUE ANSWER : ? YOUR ANSWER : ?
During sickle cell anemia which of the following takes place? Glutamic acid change to aspartic acid Aspartic acid change to glutamic acid Glutamine change to valine Valine change to glutamine TRUE ANSWER : ? YOUR ANSWER : ?