Genetics

Q: Molecular weight of hetrogeneous nuclear RNA (hnRN (A) ) is:

(a) :  More than 107
(b) :  105 to 106
(c) :  104 to 105
(d) :  less than 104
(e) :  None of the Above
Answer:  More than 107
Explanation:  

Q: Uracil and ribose form:

(a) :  Uridine
(b) :  Cytidine
(c) :  Guanosine
(d) :  Adenosine
(e) :  None of the Above
Answer:  Uridine
Explanation:  

Q: The approximate number of nucleotides in tRNA molecule is:

(a) :  25
(b) :  50
(c) :  75
(d) :  100
(e) :  None of the Above
Answer:  75
Explanation:  

Q: A nucleotide consists of:

(a) :  A nitrogenous base like choline
(b) :  Purine + pyrimidine base + sugar + phosphorous
(c) :  Purine or pyrimidine base + sugar
(d) :  Purine or pyrimidine base + phosphorous
(e) :  None of the Above
Answer:  Purine + pyrimidine base + sugar + phosphorous
Explanation:  

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