Chapter Vocab

Question 1

Calorie:

Answer 1

the amount of energy needed to raise the temperature of 1 gram of water 1 degree celsius

Question 2

cellular respiration:

Answer 2

the process that releases energy from food in the presence of oxygen

Question 3

aerobic:

Answer 3

pathways of cellular respiration that require oxygen

Question 4

anaerobic:

Answer 4

does not directly require oxygen

Question 5

glycolysis:

Answer 5

the first set of reactions in cellular respiration, word means “sugar breaking”

Question 6

NAD+ :

Answer 6

an electron carrier that accepts a pair of high energy electrons, turning into NADH which holds the electrons until they can be trasferred to other molecules

Question 7

Krebs cycle:

Answer 7

the second stage of cellular respiration

Question 8

what happens during the Krebs cycle?

Answer 8

pyruvic acid is broken down into carbon dioxide in a series of energy extracting reactions

Question 9

matrix:

Answer 9

the innermost compartment of the mitochondrion and the site of KRebs cycle reactions

Question 10

fermentation:

Answer 10

the combined process of a pathway that makes it possible to continue to produce ATP without oxygen and glucolysis