Chapter 10

Question 1

Plants take up ___ in their stomata and give off ___

Answer 1

CO2 and O2

Question 2

Diagram of a chloroplast

Answer 2

See chapter notes

Question 3

What is the chemical equation for photosynthesis?

Answer 3

6CO2+6H2O=C6H12O6+6O2

Question 4

Solar energy is converted to chemical energy in what part of photosynthesis?

Answer 4

Lift reactions

Question 5

In light reactions NADP+ is converted into ___ and ADP is converted into ___ through chemiosmosis. This process is called ____

Answer 5

NADPH, ATP, photophosphorylation

Question 6

During what part of photosynthesis is inorganic carbon from CO2 incorporated into organic compounds through “carbon fixation”?

Answer 6

The Calvin Cycle

Question 7

The reducing power for the Calvin Cycle is provided by ____ and the chemical energy is provided by ___

Answer 7

NADH, ATP

Question 8

Diagram of the transformations taking place

Answer 8

See chapter notes

Question 9

What is found between 380nm and 750nm on the electromagnetic spectrum and why is it important?

Answer 9

Visible light and because it is used for photosynthesis

Question 10

Light can behave as though made up of discrete particles called

Answer 10

Photons

Question 11

Describe the absorption spectrum of chlorophyll a

Answer 11

Absorbs violet and red most. Not green at all

Question 12

Name two accessory pigments

Answer 12

Chlorophyll A and B

Question 13

What happens when a pigment molecule absorbs a photon of light?

Answer 13

One of the the molecules electrons is elevated to an orbital where it has more potential energy

Question 14

Each of the two photosystems is embedded in the

Answer 14

Thylakoid membrane

Question 15

In photosystem II, a photon of light excited a an electron, and as it falls through an electron transport chain, it produces

Answer 15

ATP

Question 16

In photosystem I, a second photon of light re-excites the proton and as it falls through another eleven transport chain, it produces

Answer 16

NADPH

Question 17

Diagram depicting chemiosmosis

Answer 17

See chapter notes

Question 18

Similarities between chloroplasts and mitochondria

Answer 18

2 membranes

Chemiosmosis

Question 19

Differences between chloroplasts and mitochondria

Answer 19

Energy source (sunlight vs sugar)
Chloroplasts are only in plants

Question 20

The Calvin Cycle transforms CO2 into a ____-carbon sugar, which is used to synthesize glucose

Answer 20

Three

Question 21

How is the Calvin cycle similar to the citric cycle?

Answer 21

Regenerate

Starting material

Question 22

How are the Calvin cycle and the citric acid cycle different?

Answer 22

Calvin builds sugar

Krebs breaks down sugar

Question 23

Light energy is converted into chemical energy by what process?

Answer 23

Photosynthesis