Open Sci Ed

Which are the main points of the cell theory? Select all that apply.

• Cells are the basic units of structure and function in living things.

• New cells are produced from existing cells.

• All cells enclose their DNA within a nucleus.

• All living things are made up of cells.

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NGSS.MS-LS1-1

The illustrations are models of cells and cell organelles.

Which model shows a prokaryotic cell?

• A

• B

• C

• D

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NGSS.MS-LS1-1

The invention of which instrument allowed scientists to discover cells?

• eyeglasses

• magnifying glass

• microscope

• telescope

Which of the structures are present in plant cells, but not in animal cells? Select all that apply.

• Nucleus

• Golgi apparatus

• Chloroplasts

• Cell wall

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NGSS.MS-LS1-2

Basic unit of all forms of life

• Cell

• Nucleus

• Prokaryote

• Eukaryote

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

Structure that contains the cell's genetic material in the form of DNA

• Vacuole

• Nucleolus

• Nucleus

• Ribosome

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NGSS.MS-LS1-2

In eukaryotic cells, all cellular contents outside the nucleus; in prokaryotic cells, all of the cell's contents

• Centriole

• Chloroplast

• Cytoplasm

• Cytoskeleton

Cell organelle that stores materials such as water, salts, proteins, and carbohydrates

• Centriole

• Vacuole

• Ribosome

• Lysosome

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NGSS.MS-LS1-2

Network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement

• Cytoskeleton

• Golgi apparatus

• Ribosome

• Endoplasmic reticulum

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NGSS.MS-LS1-2

Organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell

• Golgi apparatus

• Ribosome

• Vacuole

• Lysosome

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NGSS.MS-LS1-2