Cell Processes Review

What are the two main types of cell transport and what is the difference between them?

• Active transport and passive transport; active transport requires energy while passive transport does not.

• Osmosis and diffusion; osmosis requires energy while diffusion does not.

• Endocytosis and exocytosis; endocytosis releases substances while exocytosis absorbs them.

• Facilitated diffusion and simple diffusion; facilitated diffusion requires energy while simple diffusion does not.

The cell membrane is crucial for cell transport because it:

• Regulates the movement of substances in and out of the cell

• Provides energy for cellular activities

• Stores genetic information

• Produces proteins

Seaweed is used to its salt water environment in the ocean (about 3% salt). If you were to take seaweed out of the ocean and put it into a beaker of pure water, what would happen to the cells in the seaweed?

• The cells would shrink due to water loss.

• The cells would swell and burst due to water intake.

• The cells would remain unchanged.

• The cells would become more rigid.

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DNA has to be duplicated before a cell can divide because:

• It ensures each daughter cell receives an exact copy of the genetic material.

• It helps in the production of proteins.

• It allows the cell to grow larger.

• It prevents the cell from dying.

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What happens during interphase?

• Cell growth and DNA replication

• Cell division

• Formation of spindle fibers

• Chromosome alignment

What is the difference between an autotroph and heterotroph?

• Autotrophs produce their own food, while heterotrophs consume other organisms.

• Autotrophs consume other organisms, while heterotrophs produce their own food.

• Both autotrophs and heterotrophs produce their own food.

• Both autotrophs and heterotrophs consume other organisms.

Which is the correct equation for Photosynthesis?

• 6CO2 + 6H2O -> C6H12O6 + 6O2
• 6O2 + light energy -> 6CO2 + C6H12O6
• C6H12O6 + 6O2 + light energy -> 6CO2 + 6H2O
• 6CO2 + 6H2O + light energy -> C6H12O6 + 6O2

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What is the word equation for photosynthesis?

• Carbon dioxide + Water → Glucose + Oxygen

• Oxygen + Glucose → Carbon dioxide + Water

• Nitrogen + Water → Glucose + Oxygen

• Carbon dioxide + Oxygen → Glucose + Water

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What is the correct equation for cellular respiration?

• C6H12O6 + 6CO2 -> 6O2 + 6H2O + energy
• C6H12O6 + 6O2 -> 6CO2 + 6H2O + energy
• C6H12O6 + 3O2 -> 3CO2 + 3H2O + energy
• C6H12O6 + 6H2O -> 6CO2 + 6O2 + energy

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Light is needed for Photosynthesis to occur because:

• It provides energy for the process.

• It cools down the plant.

• It helps in water absorption.

• It is required for respiration.

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