Warm-Up
In which organelle does photosynthesis take place?
The organelle in which photosynthesis takes place is…
How do plants produce energy?
Plants produce energy by…
In which organelle does photosynthesis take place?
1.
2.
3.
4.
the chloroplast.
the mitochondria.
the nucleus.
the cytoplasm.
How do plants produce energy?
1.
2.
3.
4.
absorbing light and splitting H2O molecules.
breathing in O2 and releasing CO2 during photosynthesis.
re-absorbing heat energy to produce glucose.
converting glucose into ATP during cellular respiration.
UNIT
Photosynthesis and Cellular Respiration
Photosynthesis
Cellular Respiration
5
Cellular Respiration Lab
Answer these pre-lab questions in complete sentences,
then come get your materials to set up the lab.
1. Where will the yeast cells get their energy from?
2. Where did the answer from #1 come from originally?
3. When the yeast cells burn the sugar, what energy form will
they convert the sugar energy into?
4. What gas will fill up the balloon?
5. Where did the atoms that make up the gas in #4 come from?
6. Why will the balloon eventually stop inflating?
7. What should happen to the level of the water in the bottle?
Why?
UNIT
5
UNIT
Photosynthesis and Cellular Respiration
5
Reactant
Product
(before the arrow)
(after the arrow)
In photosynthesis and cellular respiration…
6 CO2 + 6 H2O
+ energy
photosynthesis
cellular respiration
Glucose
+ 6 O2
UNIT
Photosynthesis and Cellular Respiration
Reactant or Product?
Photosynthesis Cellular Respiration
H2O
Glucose
O2
CO2
ATP
Sunlight
5
Anaerobic Respiration
AIR
UNIT
alcohol
= lactic acid
5
UNIT
Anaerobic Respiration
5
• Aerobic respiration uses O2 and
makes lots of ATP.
ATP
Anaerobic Respiration
• Aerobic respiration uses O2 and
makes lots of ATP.
• Anaerobic respiration DOES NOT
use O2 and makes some ATP.
UNIT
5
Anaerobic Respiration
• Aerobic respiration uses O2 and
makes lots of ATP.
• Anaerobic respiration DOES NOT
use O2 and makes some ATP.
• Anaerobic respiration also makes
alcohol and lactic acid.
UNIT
5
Anaerobic Respiration Lab
• With your thumb and finger, count
how many times you can squeeze
a clip in 60 seconds.
TRIAL
1
2
3
4
5
# of
Squeezes
UNIT
5
Anaerobic Respiration Lab
• With your thumb and finger, count
how many times you can squeeze
a clip in 30 seconds.
• Why is your hand sore after the
lab?
• Why was your hand not sore after
the first trial?
UNIT
5
Closure
Answer the following question in a
complete sentence:
Name/Nombre
Date/Fecha
Period ____
How could you stay alive for a few minutes
without any air?
Suggested sentence stem:
You could stay alive for a few minutes without air by…