A&P CHAPTER 4: CELLULAR METABOLISM Flashcards

1
Q

METABOLISM

A

CHEMICAL CHANGE STHAT TAKE PLACE INSIDE LIVING CELLS

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2
Q

ANABOLISM

A

BUILDUP OF LARGER MOLECULES FROM SMALLER ONES

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3
Q

CATABOLISM

A

BREAKDOWN OF LARGER MOLECULES INTO SMALLER ONES

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4
Q

STAGES OF ANABOLISM (3)

A

STAGE 1: DIGESTION IN GI TRACT
STAGE 2: NUTIENTS ARE BUILT UP/BROKEN DOWN
STAGE 3: CATABOLIC ACTIVITY THAT FINALIZED FOOD BREAKDOWN

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5
Q

EXAMPLE OF ANABOLISM

A

DEHYDRATION SYNTHESIS

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6
Q

EXAMPLE OF CATABOLISM

A

HYDROLYSIS

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7
Q

OXIDATION

A

GAIN OF OXYGEN OR LOSS OF HYDROGEN
LOSES ELECTRONS/ENERGY

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8
Q

ENERGY

A

ABILITY TO DO WORK AND CHANGE OR MOVE MATTER

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9
Q

WHAT IS RELEASED WHEN BONDS BETWEEN ATOMS OF MOLECULES ARE BROKEN

A

CHEMICAL ENERGY

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10
Q

CELLULAR RESPIRATION

A

PROCESS THAT RELEASES ENERGY FROM ORGANIC COMPOUNDS
GLUCOSE IS BROKEN DOWN IN THE CELLS

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11
Q

THREE TYPES OF REACTIONS IN CELLULAR RESPIRATION

A

GLYCOLYSIS
CITRIC ACID CYCLE
ELECTRON TRANSPORT CHAIN

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12
Q

WHAT IS NEEDED IN CELLULAR RESPIRATION

A

GLUCOSE AND OXYGEN

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13
Q

PRODUCTS OF CELLULAR RESPIRATION

A

CARBON DIOXIDE, WATER, AND ENERGY

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14
Q

GLYCOLYSIS

A

GLUCOSE IS BROKEN DOWN TO YIELD LACTIC OR PYRUVIC ACID AND RELEASES ATP

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15
Q

GLYCOLYSIS IS AEROBIC OR ANAEROBIC

A

ANAEROBIC - DOES NOT REQUIRE OXYGEN

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16
Q

THREE MAJOR PHASES OF GLYCOLYSIS

A

SUGAR ACTIVATION
SUGAR CLEAVAGE
SUGAR OXIDATION WITH ATP FORMATION

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17
Q

CITRIC ACID CYCLE / KREBS CYCLE

A

METABOLISMS OF GLUCOSE, FATTY ACIDS, AND AMINO ACIDS TO YIELD CARBON DIOXID, WATER, AND ATP

18
Q

HOW MANY ATP DOES KREBS CYCLE PRODUCE

A

2 ATP

19
Q

HOW MANY ATP DOES GLYCOLYSIS PRODUCE

A

2 ATP

20
Q

3 STEPS OF KREBS CYCLE

A

DECARBOXYLATION
OXIDATION
ACETYL COA FORMATION

21
Q

IS KREBS CYCLE AEROBIC OR ANAEROBIC

A

AEROBIC

22
Q

IS ELECTRON TRANSPORT CHAIN AEROBIC OR ANAEROBIC

A

AEROBIC

23
Q

ELECTRON TRANSPORT CHAIN

A

PROTEINS THAT TRANSFER ELECTRONS THROUGH MEMBRANE IN MITOCHONDRIA TO FORM GRADIENT THAT CREATES ATP

24
Q

HOW MANY ATP DOES ELECTRON TRANSPORT CHAIN PRODUCE

A

32 ATP

25
Q

METABOLIC PATHWAY

A

SEQUENCE OF ENZYME CONTROLLED REACTIONS

26
Q

FIRST ENZYME IN A METABOLIC PATHWAY

A

RATE-LIMITING

27
Q

GLYCOGENESIS

A

GLUCOSE MOLECULES JOIN IN LONG CHAINS TO BECOME GLYCOGEN BECAUSE ENOUGH ATP IS PRESENT

28
Q

GLYCOGENOLYSIS

A

“SPLITTING” OF GLYCOGEN BY THE LIVER AND KIDNEY WHEN BGL DROPS TOO LOW TO PRODUCE FREE GLUCOSE IN THE BLOOD

29
Q

GLUCONEOGENESIS

A

FORMING GLUCOSE FROM NONCARB MOLECULES IN THE LIVER WHEN THERE IS NOT ENOUGH GLUCOSE

30
Q

TYPE OF LIPID REGULARLY OXIDIZED FOR ENERGY

A

TRIGLYCERIDES

31
Q

LIPOGENESIS

A

TRIGLYCERIDE SYNTHESIS WHEN ATP AND GLUCOSE LEVELS ARE HIGH
STORED IN ADIPOSE TISSUE FOR LATER USE

32
Q

LIPOLYSIS

A

BREAKDOWN OF STORED FATS INTO FATTY ACIDS AND GLYCEROL WHEN CARB INTAKE IS INSUFFICIENT

33
Q

KETOGENESIS

A

LIVER CONVERTS ACETYL COA TO KETONES

34
Q

EXCESS PROTEIN CANNOT ____

A

BE STORED IN THE BODY

35
Q

HOW MANY GRAMS OF AMINO ACID IS USED IN 24HRS

A

100G

36
Q

STEPS IN THE OXIDATION OF AMINO ACIDS

A

TRASNAMINATION
OXIDATIVE DEANIMATION
MIDIFICATION OF KETO ACIDS

37
Q

WHAT DOES HYDROLYSIS BREAK DOWN

A

PROTEINS, CARBS, AND FATS

38
Q

MOST COMMON ENTRY POINT INTO THE KREBS CYCLE

A

ACETYL COA

39
Q

OXIDATION-REDUCTION REACTIONS

A

OXIDIZED SUBSTANCES LOSE ENERGY
REDUCED SUBSTANCES GAIN ENERGY

40
Q
A