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Photosynthesis
Questions on Photosynthesis
20
Biology
10th Grade
10/03/2012

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Term

C4 Plants

"Description and Examples"

Definition

~Occurs in plants that have a specialized chemical pathway

~Can capture very low levels of CO2 and pass it to the Calvin Cycle

 

Examples: 1) Corn

                2) Sugar Cane

                3) Crab Grass

Term

CAM Plants

"Description and Examples"

Definition

~Save water by taking air into leaves only at night

~During the day, the acids are turned back into COfor photosynthesis

 

Examples: 1) Pineapple trees

                2) Many desert cacti

                3) "Ice plants"

Term
Three Factors That Affect The Rate At Which Photosynthesis Occurs
Definition

1) Temperature

2) Light Intensity

3) Water Availability 

Term
ATP Synthase
Definition
A membrane protein through which excess Hydrogen ions escape a thylakoid in a process that makes ATP
Term
Electron Transport Chains
Definition
A series of electron carrier proteins
Term
Photosystems
Definition
Clusters of proteins and chlorophyll in thylakoid membranes
Term
Photosynthesis Formula
Definition
6CO2 + 6H2O --->(light) C6H12O6 + 6O2
Term
Electron Carriers
Definition

~Transports the electrons from chlorophyll to higher energy levels

~ The electrons are used in photosynthesis

Term
NADP
Definition

a compound that can accept and hold 2 high-energy electrons and 1 hydrogen ion (H+)

 

~This process converts NADP+ into NADPH

Term
Stroma
Definition
The fluid portion outside of the thylakoids
Term
Thylakoids
Definition

~Saclike photosynthetic membranes that contain chlorophyll and other pigments

 

~Arranged in stacks called grana

Term
Chlorophyll
Definition

Chlorophyll absorbs blue-violet and red light but reflects green light

 

~Is the principal pigment in photosynthetic organisms

Term
Light Independent Reactions
Definition
Light-Independent reactions do not use light energy. They use CO2 from the atmosphere, NADPH, and ATP to make energy-rich carbon compounds.
Term
Pigment
Definition
Chemicals that absorb light
Term
Carrier Proteins
Definition

Use energy to bring materials in/out of cell.

 

Term
Light-Dependent Reactions
Definition
The light-dependent reactions require light, light-absorbing pigments, and water to form NADPH, ATP, and oxygen
Term
Glycoproteins
Definition
(recognition). Act as "feelers" to identify cell.
Term
Receptor Proteins
Definition
Attract and bond to materials; assist in carrying materials across membrane
Term
Enxymatic Proteins
Definition
Involved in chemical reactions to get energy to the cell.
Term
Photosynthesis
Definition
The complex process in which CO2, H2O, and other inorganic salts are converted into carbohydrates
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