Chapter 8

Question 1

What are the products of photosynthesis?

Answer 1

oxygen and carbohydrate

Question 2

The raw materials or reactants of the photosynthesis process include

Answer 2

carbon dioxide and water

Question 3

At the cellular level, photosynthesis occurs within

Answer 3

the chloroplast

Question 4

Solar energy is captured by

Answer 4

pigments

Question 5

True or False? All of the sunlight that hits the atmosphere is used for photosynthesis

Answer 5

False

Question 6

True or False? Only the highest energy wavelengths are used for photosynthesis

Answer 6

False

Question 7

True or False? Only the red, blue, and violet wavelengths of visible light are used for photosynthesis.

Answer 7

True

Question 8

True or False? Only the green visible light is used for photosynthesis.

Answer 8

False

Question 9

Why are plant leaves green?

Answer 9

They reflect green wavelengths of light

Question 10

The metabolic events that move electrons from water to NADP+ are referred to as what?

Answer 10

noncyclic electron pathway

Question 11

Water is split and oxygen is released in

Answer 11

the noncyclic electron pathway

Question 12

What are the stages of the Calvin cycle?

Answer 12

carbon dioxide fixation, carbon dioxide reduction, and regeneration of RuBP

Question 13

One of the products of the Calvin cycle is

Answer 13

G3P

Question 14

The Calvin cycle reactions are dependent upon the supply of

Answer 14

carbon dioxide, NADPH, and ATP

Question 15

NADPH and ATP are used in the

Answer 15

Calvin cycle reactions

Question 16

True or False? Both photosynthesis and cellular respiration occur in plant cells.

Answer 16

True

Question 17

True or False? Both photosynthesis and cellular respiration produce ATP by chemiosmosis.

Answer 17

True

Question 18

True or False? Both photosynthesis and cellular respiration produce oxygen.

Answer 18

False

Question 19

True or False? Both photosynthesis and cellular respiration use an electron transport chain located in membranes of organelles.

Answer 19

True

Question 20

True or False? Photosynthesis produces oxygen, while cellular respiration uses oxygen.

Answer 20

True

Question 21

True or False? Photosynthesis occurs in the mitochondria, while cellular respiration occurs in chloroplasts.

Answer 21

False

Question 22

True or False? Photosynthesis breaks down carbohydrates, while cellular respiration produces carbohydrates.

Answer 22

False

Question 23

True or False? Photosynthesis requires oxygen, while cellular respiration requires sunlight.

Answer 23

False

Question 24

True or False? During cellular respiration, carbohydrate energy is converted into ATP

Answer 24

True

Question 25

True or False? During cellular respiration, mitochondria release carbon dioxide.

Answer 25

True

Question 26

True or False? During photosynthesis carbon dioxide is used.

Answer 26

True

Question 27

True or False? During photosynthesis, oxygen is used.

Answer 27

False

Question 28

What are the two sets of reactions for photosynthesis?

Answer 28

light reactions, Calvin cycle reactions

Question 29

The substance that initially traps solar energy in photosynthesis is

Answer 29

chlorophyll

Question 30

In order to tell the source of particular atoms that take part in a metabolic pathway, sometimes radiolabeled molecules are used. These are molecules in which one atom or element has been replaced with its radioactive isotope. Which molecule would you need to radioactively label in order to produce radioactive oxygen during photosynthesis?

Answer 30

water

Question 31

The light reactions could be viewed as analogous to a hydro-electric dam. In that case, the wall of the dam that holds back the water would be analogous to...

Answer 31

the thylakoid membrane

Question 32

The light reactions could be viewed as analogous to a hydro-electric dam. In that case, the water stored in the reservoir above the dam would be analogous to...

Answer 32

hydrogen ions (protons)

Question 33

Imagine starting from the innermost space of the chloroplast and moving outward until leaving the chloroplast and entering the cytoplasm. What is the starting points an proper order of things you would move through?

Answer 33

thylakoid space- thylakoid membrane- stroma- inner membrane- outer membrane

Question 34

The innermost membrane of the chloroplast is referred to as the

Answer 34

thylakoid membrane

Question 35

What is the name of the enzyme that fixes carbon dioxide during photosynthesis?

Answer 35

RuBP carboxylase

Question 36

True or False? Chloroplasts are green because chlorophyll absorbs green light

Answer 36

False

Question 37

Light reactions characteristics

Answer 37

light-dependent, thylakoid, water--> oxygen, makes ATP and NADPH

Question 38

Calvin cycle characteristics

Answer 38

light-independent, stroma, CO2-->glucose

Question 39

Order of light reactions

Answer 39

Photosystem II --> Electron transport chain --> Photosystem I

Question 40

Calvin cycle steps

Answer 40

CO2 Fixation, CO2 Reduction, Regeneration of RuBP

Question 41

How many times does the Calvin cycle happen?

Answer 41

3 times