Cell Theory, Organelles, and Transport Review

Which invention played the biggest role in the discovery of cells by early scientists?

• magnifying glass

• lens

• eyeglasses

• compound microscope

The cell theory states that all organisms are made of cells; cells are the most basic unit of life; and:

• all existing cells form by free-cell formation

• all cells are eukaryotic

• all existing cells are produced by other living cells

• all cells have a nucleus

What is the term for the jellylike substance that is contained inside the cell membrane?

• cytoplasm

• DNA

• organelle

• nucleus

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Unlike a eukaryotic cell, a prokaryotic cell does not have:

• DNA

• a cell membrane

• cytoplasm

• a nucleus

Specialized structures that work together inside a cell are called:

• organelles

• prokaryotes

• eukaryotes

• nuclei

Which of the following is a network of proteins that supports and gives shape to a cell?

• vesicles

• vacuole

• cytoskeleton

• cytoplasm

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What is the main function of the Golgi apparatus?

• communicate with other cells

• convert solar energy to chemical energy

• process and deliver proteins

• copy genetic material

Which of the following organelles can be found in the cytoplasm and on the surface of the endoplasmic reticulum?

• mitochondria

• centrosomes

• ribosomes

• centrioles

Which organelle contains enzymes that break down damaged cell parts?

• centriole

• lysosomes

• vacuole

• mitochondria

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What are the main differences between plant and animal cells?

• animal cells are eukaryotes and plant cells are not

• plant cells are eukaryotes and animal cells are not

• animal cells have cell walls and chloroplasts; plant cells do not

• plant cells have cell walls and chloroplasts; animal cells do not

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