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Bio Chapter 7
32 cards·by padrona-veronica
What is an autotroph?
A self feeder that captures light energy and converts it to chemical energy. Sometimes called
producers.
What is an autotroph?
A self feeder that captures light energy and converts it to chemical energy. Sometimes called
producers.
mesophyll
green tissue interior of a leaf
stomata
tiny pores through which CO2 enters and O2 leaves
stroma
inside chloroplast's inner membrane. Where sugars are made from CO2 and H2O
thylakoids
inside the stroma, enclose sacks of grana
grana (granum)
the disk-stacks of thylakoids
Solve the equation: 6-CO2 + 12-H2O --->
C6H12O6 + 6-H2O + 6-O2
Formula for Carbon dioxide
CO2
Formula for oxygen
O2
Photosynthesis
the process in which an autotroph converts light energy and water into organic molecules
Oxidation
the loss of electrons
reduction
the gain of electrons
redox reaction
when oxidation and reduction occur at the same time
CAM plants
plants that have adapted to aird conditions ( cacti, pineapples, succulent plants like jades
ect... )
The Calvin Cycle begins when CO2 combines with a five-carbon carbohydrate called
RuBP
As light intensity increases, the rate of photosynthesis
initially increases and then levels off
____ is oxidized in the process of photosynthesis
water
Stacks of thykaloids in a chloroplast are called ___
grana
_____ energy travels through space as rythmic waves
electromagnetic
Sugar is actually made in the ____ cycle
Calvin
The Calvin Cycle occurs in the ____
stroma
Carbon dioxide enters a leaf via holes called ____
stomata
_____ is the green tissue in the interior of a leaf.
mesophyll
When chlorophyll absorbas a photon, an ___ becomes excited.
electron
Photosynthesis occurs in ___ main stages.
two
A ____ is a fixed quantity of light energy.
photon
The molecule that leaves the Calvin Cycle to form glucose
PGAL
Pigments found in plants.
chloroplasts
True or false: Dark reactions MUST occur in the dark.
False
The ultimate source of energy for all life on Earth is the
sun
Heterotrophs are called _____, because they must eat other organisms to survive.
Consumers