8.3 Photosynthesis

Question 1

cluster of chlorophyll and proteins found in thylakoids

Answer 1

photosystem

Question 2

series of electron carrier proteins that shuttle high-energy electrons during ATP-generating reactions

Answer 2

electron transport chain

Question 3

What does ATP synthase do?

Answer 3

Create ATP in chemiosmosis

Question 4

The major products of the light-dependent reactions are

Answer 4

ATP and NADH

Question 5

What is the function of NADPH and ATP in the Calvin cycle?

Answer 5

They provide the energy required to build high-energy sugars

Question 6

What is used to reduce NADP in the light dependent reactions of photosynthesis?

Answer 6

Electrons from photosystem I

Question 7

Which space has the highest H+ concentration in a chloroplast?

Answer 7

Thylakoid space

Question 8

Which process occurs during the light dependent reaction of photosynthesis?

Answer 8

ATP and O2 are produced

Question 9

Where does photoactivation of electrons take place

Answer 9

Photosystems I and II

Question 10

What is produced by the photolysis of two water molecules?

Answer 10

O2 + 4H+ + 4e-

Question 11

How does chlorophyll a in Photosystem II replace its electrons?

Answer 11

From the photolysis of water

Question 12

What kind of organism is used in Calvin’s lollipop experiment?

Answer 12

Algae

Question 13

What element’s radioactive version in Calvin’s experiment

Answer 13

Carbon

Question 14

Organic compounds produced throughout Calvin cycle are separated during the experiment with what technique

Answer 14

Chromatography

Question 15

Any radioactive carbon compounds on the chromatogram were then identified using

Answer 15

Autoradiography

Question 16

How many carbon atoms are in RuBP?

Answer 16

5

Question 17

What provides the reducing power for the Calvin cycle?

Answer 17

NADPH2

Question 18

Main products of the Calvin Cycle

Answer 18

ADP, NADP+, Glucose

Question 19

The Calvin Cycle occurs in the

Answer 19

Stroma

Question 20

5 carbon sugar that combines with CO2 in the Calvin Cycle

Answer 20

RuBP

Question 21

Where does the CO2 used in the Calvin Cycle originate from

Answer 21

Diffusion through the stoma

Question 22

True or False: The Calvin Cycle returns ADP and NADP to the light dependent phase

Answer 22

True

Question 23

The enzyme responsible for Carbon Fixation in C3 Photosynthesis is

Answer 23

Rubisco

Question 24

where does light reaction take place

Answer 24

thylakoid membrane

Question 25

what is the photosynthesis reaction chemical formula

Answer 25

6CO2 + 6H2O -> C6H12O6 + 6H2O