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Photosynthesis and Respiration
Biology H test review
20
Biology
10th Grade
04/19/2015

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Term
Photosynthesis
Definition
A light-gathering, biochemical pathway that fixes CO2 to make sugar
Term
Autotroph
Definition
Self nourishes- a plant that engages in photosynthesis
Term
Chloroplast
Definition
Gathers light to make glucose
Term
Stroma
Definition
Jelly-like, nutrient-rich substance that is the site of light independent reactions
Term
Thylakoid
Definition
Photosynthetic membranes,site of light reactions, houses photosynthetic pigments.
Term
Grana
Definition
Stacks of thylakoids
Term
Chlorophyll
Definition
Green pigment that absorbs red and blue light
Term
Accessory Pigment Function
Definition
Absorbs colors that chlorophyll can't, protects the fragile chlorophyll
Term
Photolysis
Definition
Splitting of water to release electrons
Term
Calvin Cycle
Definition
1) CO2 Fixation
CO2 is attached to RuBP
2) CO2 Reduction
ATP+NADPH energy used to change CO2
3) Regeneration of RuBP
Starts the cycle over
Term
Factors effecting the rate of photosynthesis
Definition
Temperature, Light, Water, CO2
Term
Glycolysis
Definition
Occurs in the cytoplasm, converts glucose to two pyretic acids, produces 2ATP and 2NADH
Term
Benefits of Anaerobic Respiration
Definition
Helps replenish NADH so that ATP production continues through glycolysis
Term
Detriments of Anaerobic Respiration
Definition
Inefficient and wasteful, produces toxins as an end waste product
Term
Lactic Acid
Definition
Occurs in animals and produces tactic, causes intense muscle pain and fatigue
Term
Alcoholic
Definition
Occurs in plants and yeasts, produces ethyl alcohol and CO2
Term
Electron Carriers
Definition
NADH-Produces 3ATP per molecule
FADH2-Produces 2 ATP per molecule
Term
Steps of Respiration
Definition
1) Glycolysis
Conversion of glucose to pyruvate
2) Transition
Connects glycolysis with Kreb's cycle or the Cytoplasm with the Mitochondrial Matrix
3) Kreb's Cycle
Completes the breakdown of glucose, produces 2ATP, 6 NADH, 2FADH2, and 4CO2 (per every two turns)
4) Electron Transport
Electrons are carried by NADH and FADH2 to the "pumps," setting up and H+ gradient to make ATP
Term
Importance of Oxygen in Respiration
Definition
Final electron acceptor, clears out the transport chain
Term
Energy Yield
Definition
38% of the available energy is extracted from the glucose molecule
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