Cells Review

Which of these is NOT a part of the cell theory?

• All living things are made of two or more cells

• Cells are the building blocks of all living organisms

• All cells come from existing cells

• All living things are made of one or more cells

We used what tool to observe cells in the classroom?

• Telescope

• Electron microscope

• Light microscope

• Binoculars

Not all cells have

• Mitochondria

• A cell membrane

• Cytoplasm

• Ribosomes

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Which is true of the cell membrane?

• It has 3 layers

• It allows everything to flow through

• It is made of phospholipids but no proteins

• It is selectively permeable

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Cell size is limited by

• The strength of the cytoskeleton

• The amount of cytoplasm in the central vacuole

• The ability to get nutrients and waste in and out of the cell

• How well the nucleus can control protein production

Which is NOT true of prokaryotic cells

• The do not have a nuclear envelope around their nucleus

• They often have a flagella

• They are often multicellular

• They do not have membrane-bound organelles

All of the following are eukaryotic organisms EXCEPT

• Bacteria

• Animals

• Plants

• Fungi

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A bacterium which loses its flagella wound not be able to

• Divide

• Move

• Replicate

• Make proteins

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When the ER or golgi pinch off membrane to surround a protein, the resulting structure is called a

• Mitochondria

• Vacuole

• Vesicle

• Ribosome

Which cells would have the most mitochondria?

• Muscle, because they are so active

• Skin, because they have to protect the body

• Hair, because they insulate

• All cells have the same number of mitochondria

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