Chapter 4 Test

Question 1

What is the source of energy used in chemosynthesis?

Answer 1

chemical compounds

Question 2

What are the processes in cellular respiration?

Answer 2

Glycolysis, Kreb Cycle, Electron Transport Chain

Question 3

Is fermentation anaerobic or aerobic?

Answer 3

Anaerobic (it takes place without oxygen)

Question 4

Organisms that are not autotrophs…

Answer 4

must consume other organisms to get energy

Question 5

Light energy is converted to chemical energy through the process of…

Answer 5

photosynthesis

Question 6

Where do light-dependent reactions take place?

Answer 6

thylakoid

Question 7

The space inside the inner membrane of a chloroplast is called the

Answer 7

Stroma

Question 8

The main light-absorbing molecules found in plant leaves are called

Answer 8

Chlorophyll

Question 9

Chlorophyll is green because…

Answer 9

Is reflects green wavelengths of light

Question 10

When a phosphate group is removed from an ATP molecule,

Answer 10

A substantial amount of energy is released

Question 11

Water is an end product in

Answer 11

Cellular respiration

Question 12

Which end product of fermentation causes the burning feeling in muscles that are working hard?

Answer 12

Lactic acid

Question 13

Which process breaks down sugars to make ATP when oxygen is present?

Answer 13

Respiration

Question 14

Why does a runner breathe hard for a few minutes after finishing a race?

Answer 14

The runner’s cells are making up for an oxygen deficit

Question 15

The part of cellular respiration that needs oxygen takes place inside the

Answer 15

Mitochondria

Question 16

What is the difference between anaerobic and aerobic processes?

Answer 16

Aerobic processes use oxygen and anaerobic processes do not require oxygen.

Question 17

How are photosynthesis and respiration related?

Answer 17

………?

Question 18

What molecule carries chemical energy that cells use for their functions?

Answer 18

ATP

Question 19

Energy is released from an ATP molecule for cellular processes when it…

Answer 19

Has a phosphate group removed

Question 20

The part of cellular respiration in which glucose is broken down is called…

Answer 20

glycolysis

Question 21

What is the term for an organism that makes its own source of chemical energy?

Answer 21

Producer

Question 22

What is true about ATP?

Answer 22

It transfers energy to cell processes.

Question 23

What is true for all cells?

Answer 23

They use chemical energy

Question 24

What organism does not carry out photosynthesis?

Answer 24

animals