Photosynthesis II

Question 1

-Converts inorganic CO2 into carbohydrate
-Final product is Glyceraldehyde Phosphate (G3P)

Answer 1

The Calvin Cycle

Question 2

3 Phases of Calvin Cycle

Answer 2

-Carbon Fixation
-Reduction
-Regeneration of CO2 acceptor

Question 3

Covalent attachment of inorganic carbon to an organic
acceptor molecule

Answer 3

Carbon fixation

Question 4

The addition of electrons,
protons, and energy to make a
carbohydrate

Answer 4

Reduction

Question 5

Reorganization & rearrangement of
remaining products to regenerate the initial reactant

Answer 5

Regeneration of CO2 acceptor

Question 6

3RuBP + 3CO2 —> 6 3PG

Answer 6

Carbon Fixation

Question 7

Phosphorylate and reduce the products of carbon fixation

Answer 7

Reduction of Carbon

Question 8

-Convert five 3C G3P into three 5C RuBP
-Consume 3 ATPs

Answer 8

Regeneration of the CO2 Acceptor

Question 9

-Build one 3-carbon molecule: G3P
-“Fix” 3 CO2
-Consume 9 ATPs
-Consume 6 NADPHs

Answer 9

Calvin Cycle

Question 10

-Energy Storage
-starch is a polymer of glucose
-G3P is a precursor of glucose

Answer 10

Starch synthesis

Question 11

-Energy Transport
-Disaccharide of glucose and fructose
-The primary transport sugar in plants
-H3P is a precursor of glucose and fructose

Answer 11

Sucrose synthesis

Question 12

G3P ______ in cytosol and mitochondria generates ATP for cellular needs

Answer 12

oxidation

Question 13

When sun strikes something it is?

Answer 13

-Reflected
-Transmitted
-Absorbed

Question 14

Photosynthesis requires ____

Answer 14

absorption

Question 15

Photosynthetic pigments are localized within the _____ _______

Answer 15

thylakoid membranes

Question 16

Photosynthetic Pigments:
-Green
-Chemical link between the sun and most life on earth

Answer 16

Chlorophylls

Question 17

Photosynthetic Pigments:

-Yellow and Orange

Answer 17

Carotenoids

Question 18

Photosynthetic Pigments:

Red

Answer 18

Phycobilin and phycoerythrin

Question 19

Light Dependent Reaction:
Absorbed light energy is converted and stored transiently into two chemical forms

Answer 19

-ATP
-NADPH

Question 20

____ is a by-product of photosynthesis

Answer 20

O2

Question 21

Pigments are organized into membrane-associated complexes called _____

Answer 21

photosystems

Question 22

Energy to phosphorylate ADP comes from light

Answer 22

Photophosphorylation

Question 23

Cells must reduce NADP+ to

Answer 23

NADPH

Question 24

Chloroplasts contain 2 different photosystems

Answer 24

PS I: P700 pigment
PS II: P680 Pigment

(PS II functions before PS I)