Biology test unit 44

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Pyruvate enters the Krebs Cycle by binding to...

CoA enzyme

The stage of respiration that releases most of the energy in glucose is...

Electron Transport Chain

How are glycolysis and fermentation related?

Fermentation recycles NAD+ so glycolysis can continue.

How are cellular respiration and glycolysis related?

Glycolysis breaks down glucose to be used in respiration.

how much ATP does the krebs cycle produce

Krebs Cycle - 2 ATP

The Krebs Cycle is also called...

The Citric Acid Cycle

Meaning of "aero"

air or oxygen

What products are formed by alcoholic fermentation?

alcohol and carbon dioxide

What are the two types of fermentation

alcoholic and lactic acid

How is energy released from a molecule of ATP?

by removing a phosphate from ATP

What causes bread dough to rise?

carbon dioxide produced by fermentation by yeast

delete

delete

Meaning of "-lys"

destroy or split

Glycolysis is an anaerobic process. what does anaerobic mean

does not need oxygen to take place

Respiration and photosynthesis keep the levels of CO2 and O2 in the atmosphere

fairly constant

Fermentation has the same steps as cellular respiration except the electron transport chain

false

Cellular respiration releases energy by breaking down

glucose

Which step of cellular respiration occurs outside the mitochondrion

glycolysis

what are the stages of cellular respiration in order

glycolysis, krebs cycle, oxidative phosphate

What is transferred into the chain of proteins in the electron transport chain?

high-energy electrons

Which food product is not made by fermentation? Milk, Ice cream, yogurt, beer

ice cream

Where in the cell does the Krebs cycle take place?

in the matrix (enclosed area) of the mitochondrion

After some time, a runner will begin to feel soreness and burning in their leg muscles. What causes this?

lactic acid

What kind of molecule provides the most ATP when broken down?

lipid

How is ADP converted to ATP?

one phosphate group is added to ADP, energy is required

What is cellular respiration?

process the cell uses oxygen to convert sugar into energy

Meaning of "synthesis"

produce

In the reaction C6H12O6 + 6O2 --> 6CO2 + 6H2O, the 6CO2 are

products

Glycolysis splits glucose into...

pyruvate

Glycolysis is an anaerobic process, indicating that the glycolytic reactions

require no oxygen

what are the products of cellular respiration

water and carbon dioxide


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