Biology test unit 44
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