Energy & Life
Photosynthesis History
Photosynthesis Overview
Light Dependent Reactions
Calvin Cycle
100
What term refers to the "ability to do work"?
energy
100
Who is the calvin cycle named after?
Melvin Calvin
100
What is the main pigment used by plants to capture sunlight?
chlorophyll
100
Where do the light dependent reactions take place (be specific)?
thylakoid membrane
100
Where does the calvin cycle take place (be specific)?
stroma
200
What is an organism that makes their own food?
autotroph
200
Jan van Helmont stated that most of the mass of the plant comes from what substance?
water
200
What is the high energy electron (e-) carrier?
nicotinamide adenine dinucleotide phosphate (NADP+)
200
What does E.T.C. stand for that connects photosystem I to photosystem II?
electron transport chain
200
What are the other two names for the Calvin Cycle?
light independent or dark reactions
300
Name four types of energy.
light, heat (thermal), electrical, sound, nuclear, chemical
300
This scientist stated that a candle would stay burning in a jar if there was a plant in it too.
Joseph Priestley
300
What wavelength (color) of light is NOT used by plants for photosynthesis?
green
300
From what molecule does the oxygen that a plant releases come from?
water (H2O)
300
What molecule does CO2 attach to at the beginning of the Calvin cycle?
RuBP
400
What molecule is the energy currency of our cells, or the energy "dumptruck"?
adenosine triphosphate (ATP)
400
Jan Ingenhousz said the candle would only stay lit if there was a plant and it was exposed to what?
light
400
Name two accessory pigments besides chlorophyll.
carotene, xanthophyll
400
Enzyme that turns ADP+P into ATP at the end of the ETC.
ATP Synthase
400
The Calvin cycle spits out two of these molecules to make a 6-carbon sugar (glucose)?
G3P
500
State 3 of the 4 uses for ATP.
1. Active transport, 2. Motor proteins in the cell, 3. Synthesis of biomolecules, 4. Muscle contraction
500
The three scientists that figured out the formula for photosynthesis in the 1940's.
Samuel Ruben, Martin Kamen, Melvin Calvin
500
State the formula for photosynthesis in words and in symbols/numbers.
water (H2O) + carbon dioxide (CO2) + light --> sugar (C6H12O6) + oxygen (O2)
500
What do you call it when there is no available NADP+ and the electron goes back through the ETC?
cyclic phosphorylation
500
What three factors affect the rate of photosynthesis?
1. Availability of water, 2. Temperature, 3. Light intensity
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