BIO: Unit 1 Review

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• provide rigid support and protection to the cell.
• make sure each cell can move

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___ is particle movement from an area of lower concentration to an area of higher concentration.

• Active transport

• Passive transport

What are the 2 products of photosynthesis?

• Sugar and CO2

• sugar and O2

• H2O and CO2

• H2O and CO2

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Which organelle holds the DNA?

• Nucleus

• Cell membrane

• Cell wall

• Mitochondria

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What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Which organic molecule would a long-distance runner most likely choose to eat two hours before a race?

• A protein, because it builds muscle mass.

• A lipid because it provides long term energy storage.

• A carbohydrate because it releases energy quickly.

• A protein, because it transports oxygen into the blood stream.

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This is a picture of:

• Prokaryote
• Eukaryote

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Where will the water go?

• Into the cell
• Out of the cell
• Equally in & out - it's isotonic
• There is no water

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Which statement regarding viruses is true?

• a virus can only reproduce inside of a living cell
• viruses do not contain DNA
• viruses are unicellular
• viruses are generally larger than cells

Which biomolecule contain your genetics?

• Carbohydrate
• Lipid
• Nucleic Acid
• Protein

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