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biology chp.9 test > cellular respiration > Flashcards

cellular respiration Flashcards

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1
Q

first stage of cellular respiration is _____

A

gylcolysis

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2
Q

second stage of cellular respiration is ______

A

krebs cycle

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3
Q

3rd stage of cellular respiration is ________

A

electron transport chain

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4
Q

gycolysis is an _________ process

A

aerobic

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5
Q

most of the energy releasing pathways in cells are__________

A

aerobic. or require oxygen

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6
Q

glycolysis is an ________ process

A

anaerobic

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7
Q

if glycolysis takes up all the oxygen, _________ occurs

A

ferementation

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8
Q

low PH in blood is

A

more acidic

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9
Q

high PH in blood is

A

more basic

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10
Q

when blood gets too acidic ________ occurs

A

acidosis

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11
Q

symptoms of acidosis are

A
  • fatigue
  • headache
  • sleepiness
  • loss of appetite
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12
Q

aerobic reaction that builds up CO2

A

krebs cycle

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13
Q

cellular respiration turns

A

glucose to energy

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14
Q

cellular respiration formula

A

C6+h12O6+6O2———6CO2+6H2O+energy

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15
Q

energy produced in cellular respiration is used for

A
  • heat

- 38 ATPs

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16
Q

what does glycolysis do

A

changes glucose from a 6carbon molecule to 2 3-carbon molecules

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17
Q

each 3 carbon molecule produced by glycolysis is called a

A

pyruvate

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18
Q

product #1 of glycolysis is

A

4 ATPs. 2 net ATPs

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19
Q

product #2 of glycolysis is

A

NADH

20
Q

what is used to drive the electron transport chain

A

NADH

21
Q

each NADH produces

A

3 ATP

22
Q

product #3 of glycolysis is

A

FADH2

23
Q

when does ferementation occur

A

when there is not enough oxygen for the krebs cycle to occur

24
Q

alcoholic fermentation occurs in

A

yeast

25
Q

lactic acid fermentation occurs in

A

humans & mammals

26
Q

krebs cycle is an ________ process

A

aerobic

27
Q

krebs cycle makes

A

2 net ATPs

28
Q

what drives the ETC

A

10 NADH molecules produced during glycolysis and the krebs cycle

29
Q

the ETC is a _______ process

A

aerobic

30
Q

the ETC produces net ___ ATPs

A

34

31
Q

glycolysis end products

A

pyruvic acid, 2 net ATPs, FADH2

32
Q

a kilocalorie is equal to

A

1,000 Calories

33
Q

4 grams of sugar is

A

1tsp

34
Q

where does glycolysis take place

A

cytoplasm

35
Q

where does the ETC take place

A

the innermost compartment of the mitochondria called the matrix

36
Q

glucose is a ___ carbon molecule

A

6

37
Q

end products of the krebs cycle

A

CO2- ATP- NADH- FADH2

38
Q

one of the 3 carbons in pyruvic acid is used to make___

A

CO2

39
Q

the other 2 carbon in pyruvic acid rearrange themselves to form

A

acetic acid

40
Q

acidic acid joined to s compound called coenzymeA forms a molecule called

A

acetyl-coA

41
Q

the high energy electrons produced by glycolysis and the krebs cycle are used to convert

A

ADP -to- ATP

42
Q

an ______ at the end of the ETC the the high energy electrons w/ hydrogen and oxygen to form H20

A

enzyme

43
Q

_____ serves as the last electron receptor in the ETC

A

oxygen

44
Q

alcoholic fermentation formula

A

pyruvic acid + nadh= alcohol+ CO2+nad

45
Q

lactic acid fermentation formula

A

pyruvic acid + NADH= lactic acid + NAD

biology chp.9 test (1 decks)

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