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Biology Lab > Lab 5 > Flashcards

Lab 5 Flashcards

1
Q

what is photosynthesis

A

the process of transferring the suns energy to organic molecules

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2
Q

what is cellular respiration

A

cellular process that releases the energy pf glucose to synthesize ATP

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3
Q

what is fermentation

A

process that some organisms use to produce energy

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4
Q

is fermentation anaerobic or aerobic

A

anaerobic

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5
Q

if cellular respiration anaerobic or aerobic

A

aerobic

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6
Q

what is anaerobic

A

absence of oxygen

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7
Q

what is aerobic

A

utilizing oxygen

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8
Q

what type of reactions are involved in cellular respiration and fermentation

A

oxidation-reduction reactions (redox)

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9
Q

what happens during oxidation

A

loss of electrons

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10
Q

what happens during reduction

A

gain of electrons

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11
Q

how does a redox reaction work in cellular respiration

A

two hydrogen atoms are removed from glucose

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12
Q

how does cellular respiration work

A

two hydrogen atoms are removed from glucose and transferred to a coenzyme called NAD+, reducing this compound to NADH

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13
Q

what is NAD+

A

nicotinamide adenine dinucleotide

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14
Q

where does NADH transfer electrons to

A

electron transport chain

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15
Q

when the transfer of electrons happens from molecule to another, what is released

A

energy that can be used to synthesize ATP

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16
Q

what are the three stages of cellular respiration

A
  1. glycolysis
  2. citric acid cycle
  3. electron transport chain
17
Q

where does gylcolysis occur

A

in the cytoplasm

18
Q

where does the citric acid cycle take place

A

mitochondria

19
Q

where does the electron transport chain occur

A

mitochondria

20
Q

what does metabolic stages does fermentation have

A

glycolysis

21
Q

what metabolic stages are inhibited when oxygen is low

A

citric acid cycle and electron transport chain

22
Q

is fermentation or cellular respiration better at producing ATP

A

cellular respiration

23
Q

what is the max amount of ATP cellular respiration can produce

A

32 ATP molecules

24
Q

what is the max amount of ATP fermentation can produce

A

2 ATP molecules

25
Q

metabolic rate

A

amount of energy used in a certain time period

26
Q

how can metabolic rate be measured

A

monitoring the oxygen usage or the production of CO2

27
Q

what metabolic rate is being tested in the lab

A

Lumbricina

Biology Lab (22 decks)

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