Enzymes
Energy
Plant Structure
Photosynthesis
Misc
100
___________________ help to lower the activation energy.
catalysts; reactions in the body occur too slowly without catalysts the activation energy is too high without catalysts.
100
What is potential and kinetic energy?
Potential- energy of position
Kinetic- energy of motion
100
What is the top portion of a leaf called?
waxy cuticle
100
What are photons?
Tiny pockets of light energy
100
What is ATP composed of?
Adenine
Ribose
triphosphate
200
_____________________- function as biology catalysts.
Enzymes
200
Energy is neither created nor destroyed is the statement of what theory?
1st Law of Thermodynamics
200
Where do you find photosynthetic pigments?
Thylakloids
200
What is produced in the light dependent reactions?
ATP, NADPH and oxygen
200
How much of the sun's energy is converted to a usable form?
1
300
What is the name on the enzyme where the substrate fits?
active site
300
what does the second law of thermodynamics state?
Entropy is always increasing; disorder and randomness is increasing
300
What is the semi liquid substances inside chloroplasts?
stroma
300
When does photorespiration occur?
When CO2 levles fall
300
What is the energy currency of the cell?
ATP
400
The location on the substrate where the enzyme binds is called the ____________.
binding site
400
Any energy that is not converted to useful energy is converted to ____________.
heat
400
What is the opening in leaves that allow things in and out? What controls when they open and close?
stomata, guard cells
400
During the process of photosynthesis, solar energy is converted into
chemical energy
400
What are molecules that absorb light energy?
pigments
500
What is entropy?
Disorder in the universe
500
What is the difference in endergonic and exergonic reactions?
Endergonic- Require an input of energy,Bonds are broken; take in energy
Exergonic - release energy, bonds are made
500
What part of leaf contain chloroplasts?
mesophyll
500
What are the reactants and products in photosynthesis
500
What is produced in the calvin cycle?
organic molecules, sugar