Prince George Community College » Biology » Bio 2010 - Microbiology » Summer 2022

Question #1

This term refers to the complete genetic makeup of an organism.

A. deoxyribonucleic acid

B. phenotype

C. genome

Question #2

Which of the following is true about DNA polymerase?

A. It can synthesize DNA in the 3’ to 5’ direction

B. It can synthesize mRNA in the 3’ to 5’ direction.

C. It can synthesize mRNA in the 5’ to 3’ direction.

Question #3

What is the main function of tRNA in relation to protein synthesis?

A. it proof reads and edits

B. all of these

C. inhibits protein synthesis

Question #4

Which of the following changes would be expected if a CAUUUG sequences of bases mutated to CACUUG?

A. the amino acid sequence would be shorter than expected

B. the identity of more than one amino acid would change

C. the identity of one amino acid would change

Question #5

The enzyme required for transcription is called:

A. restriction enzyme

B. DNA polymerase

C. RNAse

Question #6

If lactose and glucose are provided in the growth medium of a culture of Escherichia coli then:

A. Both lactose and glucose are metabolized at same rate

B. Lactose metabolism is favored

C. Neither lactose and glucose are metabolized.

Question #7

This protein is produced by a regulatory gene:

A. inducer

B. promoter

C. operon

Question #8

The transfer of genes from one cell to another by a bacteriophage is known as __________________

A. Transformation

B. Recombination

C. Conjugation