Biology Ch. 9-10 Quiz(AT)

Question 1

True/False: ATP contains three high energy bonds and ADP should have two high energy bonds.

Answer 1

False

Question 2

True/False: ATP is similar to a fully charged battery and ADP is similar to a partially charged battery.

Answer 2

True

Question 3

True/False: Your cells contain about a 24 hour “charge” of ATP molecules.

Answer 3

False

Question 4

True/False: ATP is a great molecule for long term energy storage.

Answer 4

False

Question 5

True/False: In order to obtain energy from food, chemical bonds must be broken in food molecules.

Answer 5

True

Question 6

True/False: Cells break down food molecules very quickly in a single step.

Answer 6

False

Question 7

True/False: Oxygen is the final electron acceptor in the electron transport chain.

Answer 7

True

Question 8

True/False: Glycolysis is anaerobic and therefore does not require oxygen to run.

Answer 8

True

Question 9

True/False: In alcoholic fermentation ethanol is produced. In lactic acid fermentation, lactic acid and carbon dioxide are produced.

Answer 9

False

Question 10

The two forms of fermentation are __________ and ___________.

Answer 10

Lactic acid and alcoholic

Question 11

What are the three main subunits of adenosine triphosphate?

Answer 11

Adenine, ribose, and 3 phosphates

Question 12

Adenine triphosphate is commonly referred to as __________.

Answer 12

ATP

Question 13

Adenosine diphosphate is very similar to adenosine triphosphate except that adenosine diphosphate contains _____ high energy bond(s) and adenosine triphosphate has ______ high energy bonds.

Answer 13

1, 2

Question 14

The energy to power our cells comes, most directly, from _________.

Answer 14

food

Question 15

The ultimate source of energy for almost all life on this planet is the _______.

Answer 15

sun

Question 16

Name a specific organism that is a heterotroph.

Answer 16

Dog, cat, you etc.

Question 17

Write the balanced equation for cellular respiration.

Answer 17

602 + C6H12O6 —–> 6H2O + 6CO2 + energy

Question 18

What are the 3 main stages of cellular respiration?

Answer 18

Glycolysis, Krebs’s cycle, and electron transport chain

Question 19

A cell process that occurs without oxygen is termed _________ and a cell process that occurs with oxygen is termed_______.

Answer 19

anaerobic and aerobic

Question 20

Cellular respiration begins by energizing glucose with two ATP molecules. This energy ultimately causes the glucose molecule to be split into two-________ carbon molecules. (indicate the numbers of carbons on the molecule)

Answer 20

3

Question 21

After the first step of glycolysis occurs, a hydrogen carrying molecule called NAD+ picks up a hydrogen ion (H+), and two very energetic ________.

Answer 21

electrons

Question 22

After the first major step of glycolysis occurs, four molecules of ADP are charged up to make four molecules of __________.

Answer 22

ATP

Question 23

For each molecule of glucose, the Krebs’s cycle must run how many times?

Answer 23

Twice

Question 24

Fermentation is a biochemical pathway that occurs when _______ is unavailable.

Answer 24

oxygen

Question 25

In order to continue producing energy under low oxygen conditions, fermentation occurs which allows NADH to be converted back to NAD. Without this alternate biochemical pathway, no energy would be produced when oxygen was unavailable and the organism and/or its cells would _________.

Answer 25

likely die

Question 26

During periods of oxygen debt, human cells perform _________ fermentation to produce some energy.

Answer 26

lactic acid