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67 Cards in this Set
- Front
- Back
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Molecules that collect light energy
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Pigments
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What colors do chlorophyll a and b absorb best?
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Blue-violet and red
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Main light absorbing pigment
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Chlorophyll
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Organisms that can make their own food
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Autotrophs
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Gel-filled space inside chloroplast
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Stroma
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What contains chlorophyll and absorbs light energy during light dependent reactions?
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Photo systems II and I
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Which molecule stores more than 90x the energy in an ATP molecule?
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Glucose
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Where does the Calvin cycle take place?
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Stroma
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Stacks of thylakoids
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Grana
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Another name for light independent reactions
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Calvin cycle
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What are caretenoids?
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Orange and yellow colored pigments
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3 factors that affect the rate of photosynthesis:
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1. Temperature
2. Light intensity 3. Water |
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What pushes H+ ions from the stroma across the membrane into the thylakoid space?
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Chemiosmosis
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Which of the following is true about glucose?
A. Atp consists of ribose sugar, adenine, and 3 phos. groups B. ADP forms from ATP C. Used ATP is discarded by the cell as waste D. ATP provides energy for active transport cells |
A b d
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Where does the Calvin cycle take place?
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Stroma
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What is made during light dependent reactions and carry energy and high energy electrons?
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Atp and nadph
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During light dependent reactions, H+ ions build up in the _______space when ______is split.
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Thylakoid; water
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What are the parts that make up this molecule? What is this molecule?
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Adenine, ribose, tri-phosphate chain.
ATP |
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What does ATP stand for?
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Adenosine triphosphate
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Carbon and oxygen from ________end up as part of ________following Calvin cycle
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Carbon dioxide; glucose
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Proteins in living things that help chemical reactions
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Enzymes
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Plants gather the sun's energy with light absorbing molecules called
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Pigments
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How many molecules of carbon dioxide are there used to make 1 molecule of glucose?
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6
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Where are photosystems I and II found?
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Thylakoid membrane
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Why does the space inside the thylakoid membrane because positively charged during light-dependent reactions?
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H+ ions build up in the space as water is split
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First step of photosynthesis
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Pigments in photosystem II absorbs light
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Oxygen produced in light-dependent reaction
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Is released into the atmosphere
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Label A B and C
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A= thylakoid
B= stroma C= granum |
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What is the chemical equation for photosynthesis?
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What is the first step of cellular respiration?
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Glycolysis
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Carriers for energy and high energy electrons during glycolysisw
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NADH
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If oxygen is not present glycolysis is followed by
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Fermentation
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What is the 3-carbon molecule when glucose is broken in half?
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Pyruvic acid
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If a reaction does not require oxygen it is
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Anaerobic
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How many ATP molecules are added to start glycolysis? What is the net gain?
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Needs 2 and gains 2
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Label A B and C
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A= thylakoid
B= stroma C= granum |
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What is the formula for cellular respiration?
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C6H12O6+ 6O2---> 6H2O+ 6CO2+ energy (ATP)
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Another name for light independent reactions
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Calvin cycle
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Carbon and oxygen from ________end up as part of ________following Calvin cycle
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Carbon dioxide; glucose
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What is made during light dependent reactions and carry energy and high energy electrons?
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Atp and nadph
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Proteins in living things that help chemical reactions
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Enzymes
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Equation for alcoholic fermentation
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NADH+ pyruvic acid---> 2NAD+ + 2CO2+ ethanol
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Equation for lactic acid fermentation
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NADH+ pyruvic acid---> 2NAD+ + lactic acid
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Correct sequence of cellular respiration
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Glycolysis--> Krebs cycle--> ETC
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How many total ATP molecules are produced by 1 molecule of glucose completing cellular respiration?
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36
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What is produced during the Krebs cycle
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ATP, NADH, FADH2, CO2
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What molecule is the final acceptor at the end of the ETC?
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Oxygen
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The stage of cellular respiration that produces the most ATP
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Electron transport
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What is the 6-carbon molecule formed when acetyl-coa joins its 2 carbons to a 4-carbon molecule during the Krebs cycle?
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Citric acid
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Where are enzymes for ETC located?
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Inter membrane space
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Carbon atoms in pyruvic acid end of as what in the atmosphere following the Krebs cycle?
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CO2
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Folded inner membrane inside mitochondria
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Cristae
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This molecule reacts with pyruvic acid to release CO2 produce NADH and acetyl-CoA
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Coenzyme-A
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_______forms when coenzyme-A attaches to 2 carbons from pyruvic acid.
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Acetyl-CoA
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What is the storage form of glucose?
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Glycogen
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Where does the Krebs cycle take place?
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Matrix
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What is produced from ETC?
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Water and ATP
NET ATP: 32-34 |
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What gas is needed for ETC?
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Oxygen
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What is the place that is filled with H+ as electrons move down ETC?
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Intermembrane space
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Place where ADP and P join to make ATP
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Matrix
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Molecule used by cells to store and transfer energy
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ATP
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What happens when oxygen is present and includes glycolysis, krebs, and ETC?
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Cellular respiration
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High energy electron carrier produces fewer ATPs than NADH as its electrons pass through the ETC because it enters farther down the chain
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FADH2
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What is the atmospheric gas required for aerobic respiration?
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Oxygen
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The _____cycle breaks down pyruvic acid into CO2 and produces NADH, FADH2, and ATP
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Krebs
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Passage of H+ ions through ________________ causes it to spin and produce ATP.
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ATP synthase
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C6H12O6
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Glucose
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