Bacterial Genetics

Question 1

Covalent ky closed dna circles which contain genetic information necessary for their own replication

Answer 1

Replicon

Question 2

It gives resistance to antibiotics

Answer 2

Plasmids

Question 3

Can integrate to the host chromosome

Answer 3

Episomes

Question 4

What is the usually first amino acid in bacteria

Answer 4

F Methionine

Question 5

This is a bacterial topoisomerase 2

Answer 5

Dna gyrase

Question 6

This enzyme is responsible for proof reading

Answer 6

DNA polymerase 1

Question 7

This enzyme is for repair

Answer 7

DNA polymerase 2

Question 8

Unable to grow unless a certain nutrient is provided

Answer 8

Auxotroph

Question 9

Base substitution in DNA causes replacement of 1 amino acid residue by another in a protein

Answer 9

Missense mutant

Question 10

Substitution creates a stop codon and terminates the protein synthesis immaturely

Answer 10

Nonsense mutant

Question 11

Redundancy of the genetic code

Answer 11

Silent mutant

Question 12

This repair mechanism is due to photo deactivation

Answer 12

Light repair mechanism

Question 13

Uses lack of methylation to recognize the new one

Answer 13

Mismatch repair mechanism

Question 14

Uptake of unpackaged or free DNA and receive my must be competent

Answer 14

Transformation

Question 15

Gram negative bacteria uses what kind of mechanism to transfer the gene

Answer 15

Sex pili for male

Tra gene

Question 16

What are the types of the bacteriophage

Answer 16

Lytic or virulent

Temperate or Lysogenic