Biology Unit 2 Review #1

Select one or more answers.

Which of the following components do ALL cells contain?

• DNA

• nucleus

• cell wall

• cell membrane

• ribosomes

the organelle that converts light energy to glucose sugar

• lysosome

• nucleus

• chloroplast

• mitochondria

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What is a function of the nucleus?

• builds proteins

• stores sugar

• packaged proteins

• holds DNA

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Looking at a cell under a microscope, you note that it is a prokaryote. How did you know?

• no cytoplasm

• has a cell membrane

• has membrane bound organelles

• no nucleus

Which organelle would you expect to find in a plant cell but not animal cells?

• ribosome

• mitochondria

• chloroplast

• smooth ER

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the jelly-like material inside the cell that holds the organelles in place

• cytoplasm

• nucleus

• cell wall

• vacuole

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the organelle that converts glucose sugar to ATP

• lysosome

• nucleus

• chloroplast

• mitochondria

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Animal cells do not have

• ribrosomes

• cell membranes

• cell walls

• mitochondria

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Prokaryotic cells do not have

• ribosomes

• cell membranes

• DNA

• mitochondria

Do plants have mitochondria and chloroplasts?

• mitochondria only

• chloroplasts only

• mitochondria and chloroplasts

• they don't have either of them

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