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35 Cards in this Set
- Front
- Back
palisades
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most of photosynthesis occurs here
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cuticle
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waxy protective layer
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guard cells
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control the size of openings in the leaf
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veins
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contain conducting tissues xylem and phloem
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spongy cells
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moist cells where circulation of gases and water vapor occur
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chloroplasts
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most of photosynthesis occurs here
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epidermis
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outer layer of cell
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xylem
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transports water and minerals in the veins
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phloem
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transport synthesized nutrients in the veins
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stomates
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openings for gas exchange
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What cells surround the stomates to regulate the size of the openings
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guard cells
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chloroplasts are usually present in three places - what are they?
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1.guard cells
2.palisade cells 3.spongy layer |
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openings in cuticle and epidermis called ------allow exchange of carbon dioxide and oxygen
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stoma
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The outer layer _____is protected by the waxy layer ______ from water loss and injury or attack
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outer layer = epidermis
waxy layer = cuticle |
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carbon dioxide + water >
glucose + water +oxygen |
what is photosynthesis chemical process
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6CO2 + 12H20 >
C6H12O6 +6H20 + 6O2 |
what is photosynthesis
equation |
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What is photosynthesis?
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the process by which LIGHT energy is converted to CHEMICAL bond energy of organic compounds
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Importance of photosynthesis?
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1. source of most oxygen in the air
2. Source of most CHEMICAL BOND ENERGY in food |
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Autotroph nutrition
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organisms manufacture ORGANIC compounds from INORGANIC raw materials
Most plants are autotrophs |
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Heterotroph nutrition
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organisms must obtain ORGANIC materials from other LIVING organisms or their products.
ALL animals are heterotrophs |
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Where is chlorophyll found in the plant cell?
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chlorophyll is found in cell organelles
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Where does respiration take place?
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In all cells
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Where does photosynthesis take place
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In plant and plant like organisms
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When does respiration occur in animal cells?
In plant cells? |
All the time
In sunlight only |
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What is the chemical equation for respiration?
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INPUT:
C6H12O6 + O2 OUTPUT: H2O + CO2 + energy |
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What is the energy source for respiration?
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chemical bonds of GLUCOSE
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What is the energy result of respiration?
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Energy released from chemical bonds - the breakdown of organic compounds
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What is the chemical reaction of respiration?
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C6 H12 O6 + 6O2 >
H2O + CO2 +ATP |
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What is the equation for photosynthesis?
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INPUT: CO2 + H20
OUTPUT: C6 H12 O6 + H2O +O2 |
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What is the energy source for photosynthesis?
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Light
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What is the energy result for photosynthesis?
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energy is STORED in chemical bonds and produces organic carbon compounds
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What is the chemical reaction for photosynthesis?
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6CO2 + 12H2O >
C6 H12 O6 6H2O + 6 O2 |
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What is ATP
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ATP is a molecule that supplies energy for reactions in a cell
adenosine TRI phosphate |
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ATP consists of what?
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Base: adenine
Sugar: ribose phosphates: three |
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The chemical reactions that take place within cells require _____ to get started
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Energy
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