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Chapter 9 quiz
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Questions in this quiz (15)
1How do organisms obtain energy?
- AFrom food or directly from the sun
- BDrinking a lot of water daily
2Why do most organisms undergo cellular respiration?
- AThey don't actually need to undergo cellular respiration
- BThe cell needs to obtain energy to carry our their reactions and tasks
3How do cells release energy from food in the presence of oxygen?
- AFermentation
- BAerobic Respiration
4How do cells release energy from food without oxygen?
- AFermentation
- BAerobic Respiration
5What is the Krebs Cycle
- AThe Krebs cycle is the second stage of cellular respiration. Pyruvic acid is passed on to it from the first stage
- BThe Krebs cycle is the first stage of cellular respiration where glucose is broken down
6Which of the following is not an aerobic process?
- AKrebs Cycle
- BGlycolysis
7Fermentation is an anaerobic process.
- ATrue
- BFalse
8What is the difference between NADH and FADH2?
- AThey aren't different
- BNADH is a high energy molecule and makes ATP. FADH2 carries the energy.
9There is no difference between photosynthesis and cellular respiration.
- ATrue
- BFalse
10How does a cell use potential energy from charge differences as a result of electron transport?
- AChemiosmosis
- BATP
11Why is cellular respiration important for exercise?
- AIf you didnt have cellular respiration you wouldnt be able to exercise at all
- BATP cannot last if you exercise longer than 90 seconds
12The matrix is the innermost part of the mitochondria.
- ATrue
- BFalse
13How do organisms generate energy when there is no oxygen?
- AGlycolysis alone
- BFermentation
14Stores of ATP lasts for hours.
- ATrue
- BFalse
15Fermentation is bad
- ATrue
- BFalse
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