Test 2 - Quiz #6

Question 1

The primary function of the RNA in the ribosomes is _____.
A. To serve as a scaffold for the ribosomal proteins
B. To assist in the proper positioning of tRNAs along the mRNA template
C. To catalyze peptide bond formation
D.

Answer 1

C. To catalyze peptide bond formation

Question 2

The large multi subunit complex that links the general transcription factors to the gene specific transcription factor in called \_\_\_\_\_\_.
     A. The transcription complex 
     B. Mediator
     C. The operator
     D. TBP

Answer 2

B. Mediator

Question 3

The factor that escorts the aminocyl tRNA to the eukaryotic ribosome then release it with GTP hydrolysis following the correct codon-anticodon base paring is \_\_\_\_\_\_.
     A. eIF - 1
     B. eRF - 1
     C. eIF - 2
     D. eEF - 1 alpha

Answer 3

D. eEF - 1 alpha

Question 4

During translation the codon on the mRNA are recognized by complementary base pairing to the anticodon on the \_\_\_\_\_.
     A. Ribosome
     B. Transfer RNA
     C. Small cytoplasmic RNA
     D. Aminoacyl tRNA synthetase

Answer 4

B. Transfer RNA

Question 5

The amount of protein in the cell is regulated by the rate of \_\_\_\_\_\_.
     A. Transcription of its gene
     B. Translation of its mRNA
     C. Degradation of the protein
     D. All of the above

Answer 5

D. All of the above

Question 6

siRNA’s act primarily to inhibit ______.
A. Transcription by binding to specific genes
B. Transcription by formation of heterochromation
C. Translation by blocking rib
D. Translations by binding to an mRNA

Answer 6

D. Translations by binding to an mRNA