plant cells do now: first, take out homework, then: 1. chloroplasts contain an enzyme called atp...
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Plant CellsDo Now: First, take out homework, then:
1. Chloroplasts contain an enzyme called ATP synthase. What are the enzymes made of?
2. The cell walls of plants are made of a carbohydrate called cellulose. What is cellulose
made of?
3. The cell membrane of plant cells has the same structure as the cell membranes of other cells.
What is it?
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The opposite of what happens
in a mitochondria:
Photosynthesis
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Where does it all happen?The Chloroplasts! (In eukaryotes,
anyway)
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Chloroplasts Absorb Light Energy… But NOT Green Light!
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Free-living chloroplasts?Not quite…
Chloroplast(from eukaryotic plant cell)
Cyanobacterium(prokaryote)
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Other Plastids
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What else is so special about plant cells?
Large, Central
Vacuoles can take up most ofThe cell!
It stores water,And some minerals
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Anything Else? Yup – The Cell Wall
SUPER IMPORTANT: Cell wall
**not in animal cells**
Structure: Hard outer covering made of cellulose fibers
Function: provides support and strength to plant cells
Think wood.
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When you hear “Plant Cell Wall,” think Cellulose!
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SUPER IMPORTANT CELL PART QUIZ TOMORROW
• There is a time for thinking and a time for memorizing… this is not a time for thinking.
• You should now have a complete chart of SUPER IMPORTANT cell part structures and functions. On the quiz, you will simply fill out the chart from memory.
• Special grading:– All correct = 100– 1 or 2 errors = 75– >2 errors = 50
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The Real “Circle of Life”
• Chloroplasts build carbohydrates, using light energy.
• Mitochondria break down carbohydrates, which releases energy for the cell to use.
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Quick Think (DON’T SPEAK!):
• Which of the following statements is NOT TRUE?A. Chloroplasts and mitochondria have double
membranes.
B. Chloroplasts release energy, mitochondria capture it.
C. Plant cells contain chloroplasts, mitochondria, and cell walls.
D. Mitochondria and chloroplasts have their own DNA.
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Quick Think (DON’T SPEAK!):
• Which of the following can be found in plant cells?A. Ribosomes
B. Chloroplasts
C. mitochondria
D. All of the above
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Quick Think (DON’T SPEAK!):
• Which of the following best describes photosynthesis?A. Light energy chemical energy
B. Chemical energy heat energy
C. Light energy carbohydrates
D. Chemical energy light energy
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HOMEWORK
• STUDY FOR THAT SUPER-IMPORTANT QUIZ!!!
• Flashcards are your friend!