M2 TB PRE

Question 1

Fill in the Blank/s
_____ are bacteria that lack a cell wall

Answer 1

-Mycoplasma

Question 2

Fill in the Blank/s
_____ is termed as a pair of two cocci

Answer 2

-Diplococci

Question 3

Fill in the Blank/s
Example of bacteria with grapelike cluster arrangement is _____

Answer 3

-Staphylococcus

Question 4

Fill in the Blank/s
_____ bacteria are those that thrive in environments of low oxygen tension.

Answer 4

-Microaerophilic

Question 5

Fill in the Blank/s
Bacteria which require the presence of Oxygen

Answer 5

-Obligate Aerobes

Question 6

Fill in the Blank/s
Bacteria which utilizes Oxygen if available but does not really require it

Answer 6

-Facultative Anaerobes

Question 7

Fill in the Blank/s
_____ phase is where viable count is in equilibrium between the dying cells and the newly formed cells

Answer 7

-Stationary

Question 8

Fill in the Blank/s
_____ bacteria grow best at temperatures of 25-40°C

Answer 8

-Mesophilic

Question 9

True or False
Genotype is the genetic composition of an organism, its entire complement of DNA.

Answer 9

-True

Question 10

True or False
AUG, the start codon, codes for methionine.

Answer 10

-True

Question 11

True or False
DNA is synthesized in one direction designated 5’ to 3’.

Answer 11

-True

Question 12

True or False
Three-base segments of tRNA that specify amino acids are called codons.

Answer 12

-False (mRNA)

Question 13

True or False
The result of DNA replication is three new strands of DNA, each having a base sequence complementary to one of the original strands.

Answer 13

-False (2 strands)