Chapter 7

Question 1

Solar energy is converted to the chemical energy stored in bonds of a carbohydrate

Answer 1

Photosynthesis

Question 2

Organelles in mesophyll tissue cells where photosynthesis takes place are called

Answer 2

Chloroplasts

Question 3

Carbon dioxide is able to reach mesophyll tissue throughout the leaves

Answer 3

Stomata

Question 4

A double membrane bound organelle with thylakoids, thylakoid space, grana, stroma

Answer 4

Chloroplasts

Question 5

A consumer, they are not photosynthetic, and must consume sugar

Answer 5

Heterotrophs

Question 6

Photosynthetic organism, and make their own food

Answer 6

Autotrophs

Question 7

Thylakoid membranes contain ________ and _______ _________ capable of absorbing solar energy

Answer 7

Chlorophyll, other pigments

Question 8

Carbon dioxide decreases being used but new molecules can’t get in and oxygen increases being made but not getting out is an example of

Answer 8

Photorespiration

Question 9

In c4 plants two different cell layers contain chloroplasts

Answer 9

Mesophyll cells and bundle sheath cells

Question 10

Carbon dioxide is reduced to carbohydrate, and is sometimes called dark reactions because light is not needed is

Answer 10

Calvin reaction

Question 11

Requires chlorophyll and other pigments. Solar energy excites electrons that move down the electron transport chain

Answer 11

Light reaction

Question 12

Pumped into bundle sheath cells, takes energy to pump, brings Carbon into the Calvin cycle and oxaloacetate is reduced to

Answer 12

Malate

Question 13

Bundle sheath cells surround the plumbing(tubular systems bring water from roots and takes sugars away are

Answer 13

C4 plants

Question 14

In mesophyll tissues, RuBP carboxylase fixes Carbon to RuBP➡️ RuBP is split to 2 molecules of 3PG

Answer 14

C3 plants

Question 15

___ plants have the advantage when the water is hot and dry, ___ plants have the advantage when the weather is moderate.

Answer 15

C4, C3

Question 16

Name a cam plant

Answer 16

Pineapple

Question 17

At night, PEPCase fixes Carbon dioxide to PEP. PEP is stored in vacuoles. During the day makati is produced and brings Carbon to the Calvin cycle what is this describing

Answer 17

Cam photosynthesis

Question 18

Won the noble prize in 1961 for his work defining all the enzymatic reactions of the Calvin cycle

Answer 18

Melvin Calvin

Question 19

The chemical energy stored in the bonds of ATP and NADPH is used to create the chemical energy in the bonds of a carbohydrate (exergonic reaction coupled to endergonic reactions)

Answer 19

An enzymatic reaction of the Calvin cycle

Question 20

a coenzyme of oxidation reaction (redox) in photosynthesis, and is reduced by 2 hydrogen atoms to NADPH

Answer 20

NADP+

Question 21

Visible light is made up of wavelengths ranging from

Answer 21

380nm to 750 mm

Question 22

Travels in waves moving at the same speed, these waves have different and distinct wavelengths is

Answer 22

Solar radiation

Question 23

Absorbs wavelengths in violet, blue, and green range and also reflects orange and yellow in the fall

Answer 23

Carotenoids

Question 24

Contain both the light absorbing pigments and the electron acceptor molecules for the necessary electron transport chain

Answer 24

Photosystems

Question 25

Absorbs wavelengths in blue, violet, and red spectrum

Answer 25

Chlorophyll A and Chlorophyll B

Question 26

Carrier proteins and enzymes

Answer 26

ATP Synthase complexes

Question 27

Electrons begin to move from molecule to molecule ( usually not a cycle). Pigment complexes arranged to form reaction centers absorb visible light➡️electrons gain enough energy to move to a nearby electron acceptor is

Answer 27

Photosystem II

Question 28

The electron acceptors that move electrons down the electron transport chain. Puts two types of gradient together and is an electrochemical gradient.

Answer 28

Plastoquinone and cytochrome complexes

Question 29

Creates an opportunity for more h+ pumping and therefore more ATP production

Answer 29

Cyclic pathway

Question 30

Molecules in photosystem II that pass electrons create the

Answer 30

Electron transport chain

Question 31

Instead of replacing the electrons by stripping water the electrons come from photosystem II, these electrons have lost water so they lower energy electrons is

Answer 31

Photosystem I

Question 32

A molecule of carbon dioxide from the atmosphere is covalently bonded to RuBP (5carbons) to from a 6 Carbon molecule is

Answer 32

Carbon dioxide fixation

Question 33

H+ moving through ATP synthase to produce ATP

Answer 33

Chemiosmosis

Question 34

G3P can be converted to

Answer 34

Sucrose, starch, cellulose, components of fatty acid synthesis and amino acid synthesis