Chapter 10

Question 1

Conversion of light energy to chemical energy

Answer 1

Photosynthesis

Question 2

What is the purpose of photosynthesis?

Answer 2

Feed the entire biosphere

Question 3

What organisms carry out photosynthesis?

Answer 3

Autotrophs

Question 4

Where in the cell does photosynthesis occur

Answer 4

Chloroplast

Question 5

Builds proton gradient to put ATP together

Answer 5

Thylakoid

Question 6

DNA that codes for proteins in a chloroplast

Answer 6

Plasmids

Question 7

How many membranes do chloroplasts have?

Answer 7

2

Question 8

Stacks of thylakoids

Answer 8

Granum

Question 9

Tissues in the interior of the leaf

Answer 9

Mesophyll

Question 10

Allows gas exchange between the environment and interior of the plant

Answer 10

Stomata

Question 11

Fluid in the chloroplast surrounding the thylakoid membrane, involved in the synthesis of organic molecules from carbon dioxide and water

Answer 11

Stroma

Question 12

Green pigments that participates directly in light reactions

Answer 12

Chlorophyll

Question 13

Converts solar energy to the chemical energy of ATP and NADPH; releasing oxygen in the process

Answer 13

Light reaction

Question 14

Involves the fixation of atmospheric carbon dioxide and the reduction of the fixed carbon into carbohydrate

Answer 14

Calvin cycle

Question 15

Process of generating ATP from ADP and phosphate by means of chemiosmosis

Answer 15

Photophosphorylation

Question 16

Directly associated in the conversion of solar energy to chemical energy

Answer 16

Chlorophyll A

Question 17

Accessory pigment that transfers energy to chlorophyll A

Answer 17

Chlorophyll B

Question 18

Absorb and dissipates excessive light energy

Answer 18

Carotenoids

Question 19

Functions first in light reactions

Answer 19

Photosystem II

Question 20

Functions second in light reactions

Answer 20

Photosystem I

Question 21

Involves both photosystems and produces ATP, NADPH, and oxygen

Answer 21

Linear electron flow

Question 22

Uses one photosystem to produce ATP

Answer 22

Cyclic electron flow

Question 23

What are the 3 phases of the Calvin Cycle?

Answer 23

Carbon fixation, reduction, regeneration of CO2 acceptor

Question 24

Incorporates CO2 by attaching it to a 5 carbon sugar (RuBP)

Answer 24

Carbon fixation

Question 25

What structure allows CO2 to go through leaves?

Answer 25

Stomata

Question 26

What 2 processes make up photosynthesis?

Answer 26

Calvin cycle and Light reaction

Question 27

Where does the calvin cycle take place?

Answer 27

Stroma

Question 28

Where does light reactions take place?

Answer 28

Thylakoid

Question 29

What happens during light reactions?

Answer 29

Water is split, assembles ATP

Question 30

What happens during the Calvin cycle?

Answer 30

Takes CO2 and assembles sugars

Question 31

Enzyme that fixes CO2 in the fixation part of Calvin cycle; makes 6 carbon chain

Answer 31

Rubisco

Question 32

What is the formula for photosynthesis?

Answer 32

6CO2 + 6H2O + light energy —-> 6O2 + C6H12O6

Question 33

What is the formula for respiration?

Answer 33

C6H12O6 + 6O2 —-> ATP + 6H2O + 6CO2

Question 34

Under what circumstances would plants give off more CO2?

Answer 34

At night because sunlight is not present in order for photosynthesis to happen

Question 35

What are the reactants of light reactions?

Answer 35

Water and sunlight

Question 36

What are the reactants of the Calvin Cycle?

Answer 36

NADPH and ATP

Question 37

What are the products of light reactions?

Answer 37

Oxygen

Question 38

What are the products of the Calvin Cycle?

Answer 38

NADP and ADP