Photosynethis Apple

Question 1

The next time you eat an apple, reflect on the apple trees ability to make the sugar it Contains using sunlight to assemble simple substances from air and soil. This process is called

Answer 1

Photosynthesis

Question 2

Photosynthesis takes place in the

Answer 2

Chloroplasts

Question 3

In cells of tissues called the _____ inside the leaves of the apple tree

Answer 3

Mesophyll

Question 4

Photosynthesis actually consists of two processes: in the ___ reactions

Answer 4

Lifht

Question 5

In the light reactions ____ molecules in membrane called _____ in the chloroplast capture light energy

Answer 5

Chlorophyll

Thylakoids

Question 6

In the ______ cycle which takes place in the _____ surrounding the thylakoids, this energy is used to make sugar, a process ___ fixation

Answer 6

Calvin
Stroma
Carbon

Question 7

Chlorophyll molecules absorbs ____ packets of light energy

Answer 7

Photons

Question 8

Chlorophyll absorbs only certain wavelength or colors of light mainly in the ____ and ____ parts of the spectrum

Answer 8

Blue and red

Question 9

It reflects ___ light

Answer 9

Green

Question 10

Other pigments such as ____ can absorb colors that chlorophyll cannot use directly and transfer this energy to chlorophyll

Answer 10

Castotenoids

Question 11

Chlorophyll and other pigments are clustered on the thylakoid membranes in groups called

Answer 11

Photosystems

Question 12

All the pigment molecules in a photosystem pass their energy along to a single chlorophyll molecule called the _____ in the middle
Of the photsystem

Answer 12

Rx center complex

Question 13

There are two kinds of photosystems, photosystem 1 and photosystem 2 which absorbs sightly different colors of

Answer 13

Light

Question 14

Most bacteria and all __ and algae power the production of _____ through a process that starts with when photons energize a chlorophyll molecule in photosystem 1

Answer 14

Plants

Atp/ glucose

Question 15

This raises the chlorophyll’s __ to an excited state

Answer 15

Electron

Question 16

The excited electrons are passed to the chlorophyll at the reaction center, which passes them to a protein called the ____

Answer 16

1degree e-acceptor

Question 17

From here the electrons travel along an _____ chain and end up as high energy electrons in a molecule called ____

Answer 17

E- transport

NADPH

Question 18

In the cells in the leaves of an apple tree, photosystem 2 replaces the electrons lost by photosystem

Answer 18

1

Question 19

A chlorophyll molecule of photosystem 2 absorbs ____ and ejects ___

Answer 19

Light/ photon

Electrons

Question 20

These pass to a ___ and on to an electron transport chain

Answer 20

Primary electron acceptor

Question 21

The electrons pass down the chain and eventually end up replacing the electrons lost by he chlorophyll of

Answer 21

Photosystem 1

Question 22

On their way down the electron transport chain, the electrons perform important

Answer 22

Work

Question 23

One of the electron carries in the chain uses the energy released by electrons to transport ___ ions from the ____ into the space inside the ___

Answer 23

H+
Stroma
Thylakoids

Question 24

This creates a build up of h+ ions a concentration ___ of h+ across the membrane

Answer 24

Gradient

Question 25

The H+ ions than diffuse Through the membrane via a protein complex called ____ which captures their energy to make

Answer 25

Atp synthesis

Atp

Question 26

In photosynthesis this chemiosmotic production of ATP is called

Answer 26

Photophosprulation

Question 27

How does photosynthesis 2 replace its lost electrons? It gets them by splitting ___

Answer 27

H2O

Question 28

When the electrons of photosystem 2 are jarred loose, the reaction center develops a strong attraction for electrons. It obtains them by breaking a molecule apart called

Answer 28

H2O

Question 29

This leaves two H+ ions( which pass into the thylakoid space) and an ___. Atom

Answer 29

Oxygen

Question 30

This atom combines with another from another water molecule to form a molecule of __ gas which diffuses out of the leaf- a product of photosynthesis important to us and other animals

Answer 30

O2

Question 31

At this point the cells of the apple tree have cuptured the energy of the sun in molecules of NADPH and ATP, but so far they have
Made no

Answer 31

Sugar

Question 32

The NADPH and ATP are used, and sugar is made, in the ___ cycle the second portion of ___ that takes place in the ___ of the chloroplast around the thylakoids

Answer 32

Calvin
Photosynthesis
Stroma

Question 33

Using carbon from ___ obtained from the air, energy from ATP and hydrogen and high energy electrons carried by ___ the enzymes of the Calvin cycle construct ___, a high energy sugar molecule

Answer 33

CO2
NADH
G3P

Question 34

In a series of steps, these molecules are combined for form the important six carbon sugar ___ and other organic compounds in the leaves and other parts of the plants

Answer 34

Glucose

Question 35

The cellulose that gives and apple its crunch and the sugar that gives it its sweet taste are made from the glucose made in photosynthesis. In your intestines the sugars enter your ____ and are transported to your body cells

Answer 35

Blood

Question 36

There are chemical pathways of cellular ____ release the energy in the sugar molecules and use it to build ____ which is in turn used to power cellular work

Answer 36

Respiration

Atp