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Questions and Answers
What are the functions of cell division?
What are the functions of cell division?
- Produce energy, regulate cell metabolism, maintain cell shape, aid in digestion
- Repair injured body parts, replace aging cells, help organism grow larger, reproduction (correct)
- Maintain cell wall integrity, regulate osmotic balance, support cytokinesis, aid in DNA replication
- Facilitate passive transport, regulate active transport, support cellular respiration, aid in photosynthesis
During which stage of the cell cycle does DNA condense to form separate chromosomes?
During which stage of the cell cycle does DNA condense to form separate chromosomes?
- Anaphase
- Prophase (correct)
- Interphase
- Metaphase
What happens during the metaphase stage of mitosis?
What happens during the metaphase stage of mitosis?
- Nuclear membrane reforms around the DNA
- DNA replicates to form two identical sets of chromatids
- Chromosomes line up along the center of the cell (correct)
- Centrioles pull chromatids apart into each side of the cell
What is the primary function of active transport?
What is the primary function of active transport?
Which structures are produced in animal cells to help with cell division?
Which structures are produced in animal cells to help with cell division?
What is the chemical equation for photosynthesis?
What is the chemical equation for photosynthesis?
Where does carbon dioxide enter the leaves during photosynthesis?
Where does carbon dioxide enter the leaves during photosynthesis?
What is the primary waste product released through stomata during photosynthesis?
What is the primary waste product released through stomata during photosynthesis?
What do cells break down glucose for?
What do cells break down glucose for?
What is the importance of rigid cell walls in plant cells?
What is the importance of rigid cell walls in plant cells?
What is the word equation for photosynthesis?
What is the word equation for photosynthesis?
What is the chemical equation for photosynthesis?
What is the chemical equation for photosynthesis?
What is the primary function of glucose formed in chloroplasts?
What is the primary function of glucose formed in chloroplasts?
Where does carbon dioxide enter the leaves during photosynthesis?
Where does carbon dioxide enter the leaves during photosynthesis?
What is released as a waste product through stomata during photosynthesis?
What is released as a waste product through stomata during photosynthesis?
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Study Notes
Topic 2 – The Cell System
Photosynthesis
- Photosynthesis is the process by which plants and other organisms make food using energy from sunlight.
- Plants and other organisms use photosynthesis to produce glucose (food) from sunlight.
Energy Transfer
- All organisms get energy directly (autotrophs) or indirectly (heterotrophs) from the sun.
- Autotrophs make food and store it within themselves.
- Heterotrophs consume or absorb food from other organisms.
Photosynthesis Stage 1
- Chloroplasts are green organelles that contain chlorophyll, which can capture light energy.
- Chlorophyll captures light energy to create oxygen and sugar.
- Sunlight splits water molecules into hydrogen and oxygen.
Active and Passive Transport
- Active transport is a process that requires energy.
- Passive transport is a process that does not require energy.
- Forms of passive transport include diffusion, osmosis, and facilitated diffusion.
- Forms of active transport include mediated transport and pumping.
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