Pre-Class Assignments

Question 1

In which part of the cell does glycolysis occur?

Answer 1

The cytoplasm

Question 2

True or False. Glycolysis produces CO2

Answer 2

False

Question 3

NAD+ is a common ____________ in cellular respiration

Answer 3

Electron Acceptor

Question 4

Oxygen gas is used in which part of cellular respiration

Answer 4

The electron transport chain

Question 5

What sort of membrane transport is associated with the electron transport chain?

Answer 5

active transport of H+

Question 6

Where does the citric acid cycle take place in a eukaryotic cell?

Answer 6

Mitochondrial matrix

Question 7

True or False. The oxidation of pyruvate to an acetyl group directly produces ATP.

Answer 7

False

Question 8

Where is the electron transport chain located?

Answer 8

The inner mitochondrial membrane

Question 9

ATP synthase has which function?

Answer 9

H+ channel

Question 10

When electrons are removed from glucose (as it is oxidized), which molecule holds most of those electrons and therefore contains that energy?

Answer 10

NADH

Question 11

What is a molecule that has a high amount of potential energy?

Answer 11

NADH

Question 12

The overall chemical reaction of photosynthesis is the reverse of cellular respiratory. That means that which molecule is going to receive electrons and be reduced in photosynthesis?

Answer 12

CO2

Question 13

The overall chemical reaction of photosynthesis is the reverse of cellular respiration. That means that which molecule is going to lose electrons and be oxidized in photosynthesis?

Answer 13

H2O

Question 14

Where does photosynthesis occur?

Answer 14

The chloroplast

Question 15

Chlorophyll is a pigment which means that it __________.

Answer 15

absorbs light of certain wavelengths

Question 16

The ATP produced in photosynthesis is most closely associated with which set of reactions?

Answer 16

Photosystem II

Question 17

The NADPH (an electron carrier) is produced during which set of reactions in photosynthesis?

Answer 17

Photosystem I

Question 18

CO2 is converted to sugar during which stage of photosynthesis?

Answer 18

The Calvin cycle

Question 19

True or False. Photosynthesis is responsible for the production of O2 gas which is released into the atmosphere.

Answer 19

True

Question 20

Which stage of photosynthesis is responsible for O2 production?

Answer 20

Photosystem II

Question 21

The Calvin Cycle is an anabolic pathway. The energy required for this metabolic pathway comes, most directly, from ________.

Answer 21

ATP made in light reactions

Question 22

In nucleotide structure, the nitrogenous base is always attached to which carbon of the sugar?

Answer 22

1’

Question 23

In nucleotide structure, the phosphate group is always attached to which carbon of the sugar?

Answer 23

5’

Question 24

New nucleic acid polymers are always assembled in which direction?

Answer 24

5’ to 3’

Question 25

Enzymes responsible for assembling new DNA strands are called _________.

Answer 25

DNA polymerases

Question 26

The mechanism of DNA replication is described as ___________.

Answer 26

semi-conservative

Question 27

What is the function of Topoisomerase in DNA replication?

Answer 27

To prevent supercoiling of DNA

Question 28

Okazaki fragments are part of which of the following aspects of DNA replication?

Answer 28

the lagging strand

Question 29

After RNA primers are added, new DNA synthesis builds on __________.

Answer 29

the 3' end of the primers

Question 30

Why do eukaryotic chromosomes require telomeres?

Answer 30

Because they are linear