Nucleic Acids - Mock Test 62

Question 611

The sugar moiety present in RNA is?

A) Ribulose B) Arabinose C) Ribose D) Deoxyribose

---

No Details

Question 612

The nitrogenous base present in the RNA molecule is?

A) Thymine B) Uracil C) Xanthine D) Hypoxanthine

---

No Details

Question 613

In RNA molecule guanine content does not necessarily equal its cytosine content nor does its adenine content necessarily equal its uracil content since it is a?

A) Single strand molecule B) Double stranded molecule C) Double stranded helical molecule D) Polymer of purine and pyrimidine ribonucleotides

---

No Details

Question 614

The number of small stable RNAs per cell ranges from?

A) 10–50,000 B) 50,000–1,00,000 C) 1,00,000–10,00,000 D) More than 10 lakhs

---

No Details

Question 615

The size of small stable RNA ranges from?

A) 0–40 nucleotides B) 40–80 nucleotides C) 90–300 nucleotides D) More than 320 nucleotides

---

No Details

Question 616

In contrast to eukaryot ic mRNA , prokaryotic mRNA?

A) Can be polycistronic B) Is synthesized with introns C) Can only be monocistronic D) Has a poly A tail

---

No Details

Question 617

The nucleic acid base found in mRNA but not in DNA is?

A) Adenine B) Cytosine C) Guanine D) Uracil

---

No Details

Question 618

The mean intracellular concentration of ATP in mammalian cell is about?

A) 1 mM B) 2 mM C) 0.1 mM D) 0.2 mM

---

No Details

Question 619

The most abundant free nucleotide in mammalian cells is?

A) ATP B) NAD C) GTP D) FAD

---

No Details

Question 620

Uracil and ribose form?

A) Uridine B) Cytidine C) Guanosine D) Adenosine

---

No Details