Nucleic Acids - Mock Test 47

Question 461

Nuclear DNA is present in combination with?

A) Histones B) Non-histones C) Both 1⃣ and 2⃣ D) None of these

---

No Details

Question 462

Left handed double helix is present in?

A) Z-DNA B) A-DNA C) B-DNA D) None of these

---

No Details

Question 463

In DNA, three hydrogen bonds are formed between?

A) Adenine and guanine B) Adenine and thymine C) Guanine and cytosine D) Thymine and cytosine

---

No Details

Question 464

In DNA, the complementary base of adenine is?

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

---

No Details

Question 465

The ‘transforming factor’ discovered by Avery, McLeod and McCarty was later found to be?

A) mRNA B) tRNA C) DNA D) None of these

---

No Details

Question 466

A substituted pyrimidine base of pharmacological value is?

A) 5-Iododeoxyuridine B) Cytisine arabinoside C) 5-Fluorouracil D) All of these

---

No Details

Question 467

Cyclic AMP can be formed from?

A) AMP B) ADP C) ATP D) All of these

---

No Details

Question 468

In nucleotides, phosphate is attached to sugar by?

A) Salt bond B) Hydrogen bond C) Ester bond D) Glycosidic bond

---

No Details

Question 469

A nitrogenous base that does not occur in mRNA is?

A) Cytosine B) Thymine C) Uracil D) All of these

---

No Details

Question 470

Presence of arginine can be detected by?

A) Sakaguchi reaction B) Million-Nasse reaction C) Hopkins-Cole reaction D) Gas chromatography

---

No Details