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Biochem > Metabolism > Flashcards

Metabolism Flashcards

1
Q

Phototrophs are

A

organisms that obtain energy by trapping sunlight

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2
Q

Chemotrophs

A

organisms that obtain energy through the oxidation of foodstuffs generated by phototrophs

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3
Q

Metabolism

A

a linked series of chemical reactions that begins with a particular molecule and converts it into some other molecule or molecules in a carefully defined fashion.

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4
Q

Catabolic reactions

A

Those reactions that transform fuels into cellular energy.

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5
Q

Anabolism

A

Those reactions that require energy. (such as the synthesis of glucose, fats, or DNA)

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6
Q

Amphibolic Pathway/reaction

A

Can be either anabolic or catabolic depending on the energy conditions of the cell.

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7
Q

Hydrolysis of ATP is…

A

exergonic

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8
Q

In ATP cycle, catabolic processes ______ the battery by….

A

recharge, transferring energy into the regeneration of ATP

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9
Q

In ATP cycle, anaboic processes _______ the battery by…

A

deplete, coupling ATP or GTP hydrolysis to drive other unfavorable reactions in synthesis pathways

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10
Q

Phosphoanhydride bond is…

A

higher energy less stable

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11
Q

Phosphoester bond is…

A

lower energy more stable

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12
Q

FADH2 and NADH are

A

electron acceptors

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13
Q

Coenzyme A is

A

activation carrier of two carbon fragments

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14
Q

Precursor to coenzymes are

A

vitamins

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15
Q

Vitamin B1

A

Thiamin, aldehyde transfer

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16
Q

Vitamin B2

A

Riboflavin, Electron transfer, FAD

17
Q

Vitamin B3

A

Niacin, Electron transfer, NAD

18
Q

Vitamin B5

A

Pantothoenate, CoA, transfer of acyl

19
Q

Vitamin B7

A

Biotin, CO2, carboxyl transfer

20
Q

Vitamin C

A

antioxidant

21
Q

Vitamin A

A

roles in vision, growth, reproduction

22
Q

Vitamin K

A

blood coagulation

23
Q

Vitamin E

A

Antioxidant, inhibition of sperm count

24
Q

Vitamin D

A

regulation of calcium, and phosphate metabolism

25
Q

Oxidation-reduction reaction

A

dedydrogenases

26
Q

Phosphoryl transfer reaction

A

Kinases, cuts ATP and puts on

27
Q

Phosphoryl transfer reaction in inorganic

A

Phosphorlyases, puts lone ATP back on

28
Q

Phosphate hydrolysis reaction

A

Phosphatases, takes off phosphate group

29
Q

Ligations

A

Carboxylases, adds CO2

30
Q

Decarboxylations

A

Decarboxylases, takes away CO2

31
Q

Isomerization reactions

A

Isomerases, switches two groups on a molecule

32
Q

Internal phosphoryl shift reactions

A

mutases, moves one group to another on same molecule

Biochem (6 decks)

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