Warm-Up
Answer the following questions in complete sentences.
How is the process by which plants obtain energy
different from that of animals?
Plants obtain energy by…, whereas animals obtain
energy by…
How does an enzyme recognize a specific
substrate?
An enzyme recognizes a specific substrate by…
How is the process by which plants obtain energy
different from that of animals?
1.
Plants obtain energy by absorbing nutrients from the soil,
whereas animals obtain energy by breathing in oxygen.
2.
Plants obtain energy by absorbing sunlight, whereas
animals obtain energy by absorbing heat.
3.
Plants obtain energy by decomposition, whereas animals
obtain energy by reabsorption.
4.
Plants obtain energy by photosynthesis, where animals
obtain energy by cellular respiration.
How does an enzyme recognize a specific substrate?
1.
2.
3.
4.
The enzyme’s activation energy matches the substrate.
The enzyme’s active site matches the shape of the
substrate.
The enzyme denatures to wrap around the substrate.
The enzyme forms products which resemble the substrate.
Plant Cells
UNIT
4
Plant Cells
• Plant cells are eukaryotic and
have all of the organelles as
animal cells, plus:
UNIT
4
Plant Cells
• Plant cells are eukaryotic and
have all of the organelles as
animal cells, plus:
 Chloroplasts (make sugar
during photosynthesis)
UNIT
4
UNIT
Plant Cells
4
• Plant cells are eukaryotic and
have all of the organelles as
animal cells, plus:
 Chloroplasts
sugar stay
How (make
do plants
during photosynthesis)
upright if they don’t
have skeletons?
Plant Cells
• Plant cells are eukaryotic and
have all of the organelles as
animal cells, plus:
 Chloroplasts (make sugar
during photosynthesis)
 Cell Walls (protects the cell
and keeps it rigid)
UNIT
4
Plant Cells
• Plant cells are eukaryotic and
have all of the organelles as
Ifanimal
plantcells,
cellsplus:
are rigid,
do
they explode
 Chloroplasts
(make sugar
during
photosynthesis)
when
they
take in too
 Cell Walls (protects the cell
much
water?
and keeps it rigid)
 Vacuole (stores water)
UNIT
4
UNIT
Plant Cells
4
• Plant cells are eukaryotic and
have all of the organelles as
animal cells, plus:
 Chloroplasts (make sugar
during photosynthesis)
 Cell Walls (protects the cell
and keeps it rigid)
 Vacuole (stores water)
vacuole
UNIT
Carousel Activity
4
Answer as many questions as you can!
Cells, cells, they’re made of organelles!
http://www.youtube.com/watch?v=-zafJKbMPA8
Closure
Answer the following question in a
complete sentence:
How do plants stay upright, even if they don’t have a
skeleton?
Suggested sentence stem:
Plants stay upright even if they do not have a
skeleton because…
Name/Nombre
Date/Fecha
Period ____