Nucleic Acids - Mock Test 51

Question 501

In the process of elongation of chain binding of amino acyl tRNA to the A site requires?

A) A proper codon recognition B) GTP C) EF-II D) GDP

---

No Details

Question 502

Translation results in a product known as?

A) Protein B) tRNA C) mRNA D) rRNA

---

No Details

Question 503

In the process of activation of amino acids for protein synthesis, the number of high energy phosphate bond equivalent utilised is?

A) 0 B) 1 C) 2 D) 4

---

No Details

Question 504

Initiation of protein synthesis requires?

A) ATP B) AMP C) GDP D) GTP

---

No Details

Question 505

Initiation of protein synthesis begins with binding of?

A) 40S ribosomal unit on mRNA B) 60S ribosomal unit C) Charging of tRNA with specific amino acid D) Attachment of aminoacyl tRNA on mRNA

---

No Details

Question 506

The amino terminal of all polypeptide chain at the time of synthesis in E. coli is tagged to the amino acid residue?

A) Methionine B) Serine C) N-formyl methinine D) N-formal serine

---

No Details

Question 507

The formation of initiation complex during protein synthesis requires a factor?

A) IF-III B) EF-I C) EF-II D) IF-I

---

No Details

Question 508

In biosynthesis of proteins the chain terminating codons are?

A) UAA, UAG and UGA B) UGG, UGU and AGU C) AAU, AAG and GAU D) GCG, GCA and GCU

---

No Details

Question 509

AUG, the only identified codon for methionine is important as?

A) A releasing factor for peptide chains B) A chain terminating codon C) Recognition site on tRNA D) A chain initiating codon

---

No Details

Question 510

The first codon to be translated on mRNA is?

A) AUG B) GGU C) GGA D) AAA

---

No Details