Download Photosynthesis, Cellular Respiration, and Fermentation

Photosynthesis, Cellular
Respiration, and a little
Fermentation
What does it take to grow
a plant???
How do we grow a plant?
But is that all????
Photosynthesis
Photosynthesis
Photosynthesis
Photosynthesis
Sunlight (light Energy)
Water
H2O
Carbon Dioxide
CO2
Photosynthesis
Sunlight
(Light Energy)
Glucose
C6H12O6
Water
H2O
Oxygen
Carbon Dioxide
CO2
O2
Photosynthesis
Photosynthesis
Sunlight
(Light Energy)
Glucose
C6H12O6
Water
H2O
Oxygen
O2
Carbon Dioxide
CO2
Photosynthesis



Let’s write the chemical equation on
the board!!
What are the reactants, What are the
products?
What type of energy transformations
are going on?
Based on the graph below, what
color is this object:
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Red
Orange
Yellow
Blue
Violet
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First why do leaves change colors??
Carotene
Xanthophyll
Chlorophyll A
Chlorophyll B
Below is the absorption spectrum for the
spinach. Discuss with your partner the
most useful/absorbed part of the visible
light spectrum and the least
useful/absorbed part of the spectrum.
Based on the graph, what color is
this plant:
1. Green
2. Red
3. Violet
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Based on the graph, what colors
are best absorbed by this plant:
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Green and orange
Red and violets
Violet and green
Green and reds
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Energy

Combustion
How does a candle work?
Cell Respiration
Glucose
Carbon Dioxide
CO2
C6H12O6
Water
Oxygen
H2O
O2
Energy
Cell Respiration
Carbon Dioxide
Glucose
CO2
C6H12O6
Water
H2O
Oxygen
O2
Energy
Cell Respiration



Let’s draw the chemical formula on the
board!!
What are the reactants, What are the
products?
What type of energy transformations
are going on?
Are your cells respirating
right now???
So how do you get
glucose in your body?

And what is it exactly??
It’s a cycle in plant
cells, Jennnnay
The process of cellular
respiration is taking place in
your cells right now!!


You are currently taking in oxygen and
burning sugars within the
mitochondria to release chemical
energy.
This process is also known as Aerobic
Respiration. Why?
– Because Oxygen is present which allows
your cells to burn glucose into energy
much more efficiently.
– I am sure you have heard of Aerobics.
What would happen if your cells
were deprived of oxygen?? Would
they still be able to burn glucose to
make energy??
 YES!!
 Fermentation
– When might this occur?
– Long distance runners often create an
anaerobic environment for their cells

What does anaerobic mean??
– No Oxygen present
– Not a very energy efficient process and a
bad side effect is produced:

Lactic Acid
A different example of
fermentation

Breweries rely on this process:
– Yeast cells need energy to survive, so
they will breakdown sugars in anaerobic
conditions and a byproduct is alcohol.
– How do you know CO2 is produced?
Based on the graph, what color is
this plant:
1. Green
2. Red
3. Violet
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Based on the graph, what colors
are best absorbed by this plant:
1.
2.
3.
4.
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Green and orange
Red and violets
Violet and green
Green and reds
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Based on the graph below, which color light
is least absorbed by plants for
photosynthesis
1. Red
2. Yellow
3. Green
4. Orange
5. Violet
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What is this graph showing you??
pH
A scientist wants to study photosynthesis in a
newly discovered species. Which of these cell
structures should the scientist study?
Vacuoles
Chloroplasts
Mitochondria
Ribosomes
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m
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Muscle cells require more energy than do most other cells.
Which organelles would you expect to find
in greater abundance in muscle cells than in most other
cells?
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Cilia
Mitochondria
Ribosomes
Chloroplasts
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Which of these processes results in
carbon dioxide production?
Osmosis
Respiration
Evaporation
Photosynthesis
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Some organisms that live in the intestines of cows
do not require oxygen to survive. Which of these
best describes the process by which these
organisms obtain energy?
1. Osmosis
2. Mitosis
3. Cellular
respiration
4. Fermentation
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Let’s fill in this chart with the molecules
and then the energy transformations
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