Metabolism, Growth

Question 1

catabolic reactions are

Answer 1

exergonic

Question 2

anabolic reactions are

Answer 2

endergonic

Question 3

the primary energy source for anabolic reactions is

Answer 3

glucose catabolism

Question 4

what is cellular respiration

Answer 4

• is in aerobic conditions, Krebs cycle and ETC completely oxidize pyruvic acid to CO2 and H2O, leading to ATP production

Question 5

what is fermentation

Answer 5

results in incomplete oxidation of pyruvic acid to form organic fermentation products

Question 6

final electron acceptors in aerobic respiration are

Answer 6

oxygen molecules

Question 7

final electron acceptors in anaerobic actions are

Answer 7

sulphate, nitrate, carbonate

Question 8

cell death and gangrene can be caused by

Answer 8

acetone and isoropanol

Question 9

chloraphyll molecules are grouped together in

Answer 9

thylakoid membranes

Question 10

go to slide

Answer 10

11 12 14 17 16 21

Question 11

most pathogens are

Answer 11

mesophiles - thermoduric organism that can survive for short periods of times at high temperature

Question 12

what are the 3 kinds of relationships

Answer 12

• antagonistic
• synergistic
• symbiotic: microbes become independant

Question 13

how can we obtain pure cultures

Answer 13

• streak plates
• pour plates
• in specific culture media- for defined or synthetic media and complex media or selective media or differerntial media

Question 14

MSUST GO TO SLIDES

Answer 14

N=MOST OF LECTUERE

Question 15

what are the phases of microbial growth

Answer 15

lag phase, log phase, stationary phase, death phase