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35 Cards in this Set

  • Front
  • Back
palisades
most of photosynthesis occurs here
cuticle
waxy protective layer
guard cells
control the size of openings in the leaf
veins
contain conducting tissues xylem and phloem
spongy cells
moist cells where circulation of gases and water vapor occur
chloroplasts
most of photosynthesis occurs here
epidermis
outer layer of cell
xylem
transports water and minerals in the veins
phloem
transport synthesized nutrients in the veins
stomates
openings for gas exchange
What cells surround the stomates to regulate the size of the openings
guard cells
chloroplasts are usually present in three places - what are they?
1.guard cells
2.palisade cells
3.spongy layer
openings in cuticle and epidermis called ------allow exchange of carbon dioxide and oxygen
stoma
The outer layer _____is protected by the waxy layer ______ from water loss and injury or attack
outer layer = epidermis
waxy layer = cuticle
carbon dioxide + water >
glucose + water +oxygen
what is photosynthesis chemical process
6CO2 + 12H20 >

C6H12O6 +6H20 + 6O2
what is photosynthesis
equation
What is photosynthesis?
the process by which LIGHT energy is converted to CHEMICAL bond energy of organic compounds
Importance of photosynthesis?
1. source of most oxygen in the air

2. Source of most CHEMICAL BOND ENERGY in food
Autotroph nutrition
organisms manufacture ORGANIC compounds from INORGANIC raw materials

Most plants are autotrophs
Heterotroph nutrition
organisms must obtain ORGANIC materials from other LIVING organisms or their products.

ALL animals are heterotrophs
Where is chlorophyll found in the plant cell?
chlorophyll is found in cell organelles
Where does respiration take place?
In all cells
Where does photosynthesis take place
In plant and plant like organisms
When does respiration occur in animal cells?

In plant cells?
All the time

In sunlight only
What is the chemical equation for respiration?
INPUT:
C6H12O6 + O2

OUTPUT:
H2O + CO2 + energy
What is the energy source for respiration?
chemical bonds of GLUCOSE
What is the energy result of respiration?
Energy released from chemical bonds - the breakdown of organic compounds
What is the chemical reaction of respiration?
C6 H12 O6 + 6O2 >

H2O + CO2 +ATP
What is the equation for photosynthesis?
INPUT: CO2 + H20

OUTPUT: C6 H12 O6 + H2O +O2
What is the energy source for photosynthesis?
Light
What is the energy result for photosynthesis?
energy is STORED in chemical bonds and produces organic carbon compounds
What is the chemical reaction for photosynthesis?
6CO2 + 12H2O >

C6 H12 O6 6H2O + 6 O2
What is ATP
ATP is a molecule that supplies energy for reactions in a cell

adenosine TRI phosphate
ATP consists of what?
Base: adenine

Sugar: ribose

phosphates: three
The chemical reactions that take place within cells require _____ to get started
Energy