Lec7

Question 1

Example of Acetic acid fermentation, commercial use on vinegar

Answer 1

Acetobacter (bacterium)

Question 2

Example of Lactic acid fermentation, commercial use on yogurt

Answer 2

Lactobacillus, Streptococcus (bacteria)

Question 3

cell division following.enlargement of a cell to twice its minimum size.

Answer 3

Binary fission

Question 4

time required for microbial cells to double in number.

Answer 4

Generation time

Question 5

forms ring around center of cell; tubulin homolog

Answer 5

FtsZ

Question 6

protein mediates separation of chromosomes to daughter cells

Answer 6

FtsK

Question 7

helps connect and also recruits other divisome proteins Homologous to actin

Answer 7

FtsA

Question 8

Anchour and connect FtsZ ring to cytoplasmic membrane .

Answer 8

Zip A

Question 9

• major shape determining factor in prokaryotes
• Not found in coccus-shaped bacteria.

Answer 9

MreB

Question 10

• shape-determining protein produced by vibrio-shaped cells of Caulobacter crescentus
• protein organizes into filaments ~10 nm wide that localize on the concave face of the curved cells

Answer 10

Crescentin

Question 11

carrier molecule that plays major role in insertion of peptidoglycan precursors

Answer 11

Bactoprenol

Question 12

final step in cell wall synthesis

Answer 12

Transpeptidation