Lec6

Question 1

Krebs cycle or TCA cycle occurs in?

Answer 1

Cytoplasmic membrane.

Question 2

Results of Glycolysis?

Answer 2

• 2 pyruvate
• 2 ATP
• NADH = 6 ATP

Question 3

Types of respiration:

Answer 3

1.Aerobic respiration 2.Anaerobic respiration

Question 4

Is second phase of aerobic respiration

Answer 4

Kerbs cycle/ TCA Cycle

Question 5

Electron transport chain occurs in?

Answer 5

Plasma membrane

Question 6

Coenzyme drived from vitamin B2 (riboflavin)

Answer 6

Flavoprotein (carrier molecules)

Question 7

Protein with iron contain group (heme)

Answer 7

Cytochromes (Carrier molecules)

Question 8

Small non protein carriers

Answer 8

Ubiquinones (carrier molecules)

Question 9

ATP generation from anaerobic respiration always higher than aerobic respiration.
T/F

Answer 9

F, less than

Question 10

Organisms that can’t respire because of lack of inorganic electron acceptor/absence of ETS Used what?

Answer 10

Fermentation

Question 11

Electron ecceptor in fermentation is always?

Answer 11

Organic compounds

Question 12

Aerobic respiration electron acceptor is

Answer 12

O2

Question 13

Anaerobic respiration electron acceptor is

Answer 13

Inorganic molecule, except O2

Question 14

From substantial amounts of products than lactate, many produce lactate,ethanol, co2.

Answer 14

Heterolactic.

Question 15

Reduce almost all their pyruvate to lactate with enzyme lactate dehydrogenase

Answer 15

Homolactic

Question 16

Analysis of end product is valuable in identifying particular bacteria.

Answer 16

Fermentation

Question 17

• role in heat stability of endospores
• stabilize cell walls in microbes

Answer 17

Calcium (Ca)

Question 18

-Stabilizes ribosomes, membranes, and nucleic acids - - -required for many enzymes

Answer 18

Magnesium (Mg)

Question 19

Distinguishes between a given group of Bacteria

Answer 19

Differential Media

Question 20

Contain complex media plus addotionalnutrients

Answer 20

Enriched media

Question 21

Exact composition

Answer 21

Defined Media

Question 22

Why all living cells depend on biochemical reactions ?

Answer 22

to maintain homeostasis

Question 23

reactions that “break down” molecules generally energy releasing or exergonic

Answer 23

catabolic

Question 24

reactions that build new molecules

Answer 24

anabolic

Question 25

How enzyme are work?

Answer 25

By lower the activation energy (E a)

Question 26

Photophosphorylation occurs in?

Answer 26

In Phototrophs