Semster 2 Finals Unit E Part 2

Question 0

Plants gather energy with light absorbing molecules called

Answer 0

Pigments

Question 1

In the cell cycle, extra no regulatory proteins direct sales to

Answer 1

Speed up or slow down the cycle

Question 2

The principal chemical compound that living things used to store energy is

Answer 2

ATP

Question 3

Autotroph’s differ from heterotrophs because they

Answer 3

Make their own food from carbon dioxide and water

Question 4

Breathing heavily after running a race is your body’s way of

Answer 4

Repaying an oxygen debt

Question 5

The process that increases genetic diversity within a population is

Answer 5

Sexual reproduction

Question 6

In order for a sell to divide successfully, The cell must first…

Answer 6

Duplicate It’s genetic information

Question 7

Cyclins are a family of closely related proteins that

Answer 7

Regulate the cell cycle

Question 8

The leaves of plants appear green because chlorophyll

Answer 8

Reflects green light

Question 9

ATP synthase in the chlorophyll membrane makes ATP, utilizing the energy of highly concentrated

Answer 9

Hydrogen ions

Question 10

Which of the following is not produced in the light dependent reactions of photosynthesis?
NADPH, sugars, hydrogen ions,ATP

Answer 10

Sugars

Question 11

What is the correct sequence of events in cellular respiration?

Answer 11

Glycolysis, Krebs cycle, electron transport

Question 12

The products of photosynthesis are the

Answer 12

Reactants of cellular respiration

Question 13

The starting molecule for the Krebs cycle is

Answer 13

A three carbon molecule called pyruvic acid

Question 14

The principal pigment in plants is

Answer 14

Chlorophyll

Question 15

Organisms that cannot make their own food and must obtain energy from external sources are called

Answer 15

Heterotrophs

Question 16

Which process takes place in the cytoplasm of a cell

Answer 16

Glycolysis

Question 17

Which organisms performs cellular respiration?

Answer 17

A mushroom, a fern, a polar bear, an iris

Question 18

The first step in photosynthesis is the

Answer 18

Absorption of light energy

Question 19

How do organisms get the energy they need?

Answer 19

By breaking down food molecules gradually and capturing their chemical energy

Question 20

The Krebs cycle takes place within the

Answer 20

Mitochondria

Question 21

In addition to light and chlorophyll photosynthesis requires

Answer 21

Water and carbon dioxide

Question 22

What is not a source of energy for humans during exercise

Answer 22

Alcohol fermentation

Question 23

The rate at which wastes are produced by a cell partially depends on the cell’s

Answer 23

Volume

Question 24

In eukaryotic cells, most of cellular respiration takes place in the

Answer 24

Mitochondria

Question 25

As a cell becomes larger, it’s

Answer 25

Volume increases faster than its surface area

Question 26

Which substance is needed to begin the process of glycolysis

Answer 26

ATP

Question 27

The two main types of fermentation are called

Answer 27

Alcoholic and lactic acid

Question 28

Which of the following happens when a cell divides?

Answer 28

Each daughter cell receives its own copy of the parent cells DNA

Question 29

Which statement is true regarding a cells surface area to volume ratio

Answer 29

Smaller cells will have a greater surface area to volume ratio

Question 30

Which of the following past high-energy electrons to the electron transport chain?

Answer 30

NADH and FADH2

Question 31

In a typical plant all of the following factors are necessary for photosynthesis except

Answer 31

Oxygen

Question 32

Cancer cells form masses of cells called

Answer 32

Tumors

Question 33

If a cell has 12 chromosomes how many chromosomes will each of the daughter cells have after mitosis and Cytokinesis?

Answer 33

12

Question 34

Which of the following is an aerobic process?

Answer 34

The Krebs cycle

Question 35

Which of the following is not an advantage of asexual reproduction?

Answer 35

Increases genetic diversity

Question 36

Cancer is a disorder in which some cells have lost the ability to control their

Answer 36

Growth rate

Question 37

When during the cell cycle is a cells DNA replicated?

Answer 37

S phase