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Flashcards in EXAM 3 Deck (149)
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1

The reaction pathway that transforms fuels into cellular energy

Catabolic

2

The metabolic pathways the require energy and are often biosynthetic processes

Anabolic

3

Which energy source is used to regenerate ATP from ADP and Pi

oxidation of carbon to CO2

4

What are the major purposes for which organisms require energy

-the performance of mechanical work
-active transport
-the synthesis of biomolecules

5

What is the standard-state free energy for the hydrolysis of ATP to ADP

-30kJ/mol

6

Electron donor used for reductive biosynthesis

NADPH

7

Activated carriers that contain adenosine phosphate groups

-NADH
-FADH2
-coenzyme A

8

Metabolic processes are regulated by

-Transcriptional regulation of the amount of enzyme
-allosteric control of enzyme activity
-the accessibility of substrates by compartmentalization

9

Organisms that use energy from sunlight and convert to chemical energy

Phototrophs

10

Organisms that obtain chemical energy from the oxidation of foodstuffs

Chemotrophs

11

Pathways can be either anabolic or catabolic, depending on the energy conditions of the cell

Amphibolic

12

In aerobic organisms, the ultimate acceptor of electrons is

Oxygen

13

In aerobic metabolism, the product of oxidation of carbon containing fuels is

Carbon Dioxide

14

The electron carrier, NADH, is derived from the _______ vitamin

Niacin

15

The chemical currency of metabolism

ATP

16

FAD is an electron carrier that is derived from the vitamin

Riboflavin (B2)

17

NADH and NADPH

niacin

18

FADH2

riboflavin

19

acetyl CoA

pantothenate

20

Biotin

biotin

21

Tetrahydrofolate

folate

22

The principle carbohydrate in living systems

Glucose

23

The product of aerobic glycolysis

2 pyruvate

24

The substance _______ must be regenerated for glycolysis to proceed in either aerobic or aerobic conditions

NAD+

25

An allosteric activator of glycolysis is

AMP

26

Glycolysis produces a net of ____ moles of ATP

2

27

The key regulatory enzyme for glycolysis is

PFK

28

________ are enzymes that catalyze the transfer of phosphoryl group from ATP to an acceptor

Kinases

29

In alcoholic fermentation, the decarboxylation of pyruvate requires a coenzyme that contains the vitamin_____

Thiamine (B1)

30

A potent allosteric activator of liver PFK if ________, which is produced from fructose-6--phosphate by PFK2

F 2,6-biphosphate