Biology Chapter 8 - Cellular Structure & Function

Which of the following structures manufactures (makes) proteins?

• mitochondria

• ribosomes

• golgi appratus

• rough ER

Which cells are larger and more complex?

• prokaryotic

• eukaryotic

Eukaryotic cells are cells with a nucleus and other membrane-bound organelles.

• True

• False

Human cells are prokaryotic cells.

• True

• False

Rough ER (endoplasmic reticulum) is bumpy because it has _______ attached to it.

• ribosomes

• lysosomes

• vesicles

• vacuoles

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NGSS.MS-LS1-2

Which of the following is made of protein fibers and forms a framework and support for the cell?

• mitochondria

• cytosol

• golgi apparatus

• cytoskeleton

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NGSS.MS-LS1-2

Which of the following is only present in eukaryotic cells (not prokaryotic cells)?

• DNA

• nucleus

• cytoplasm

• plasma membrane

Cilia are hairlike extensions of a cell that help in their movement. What role do cilia play in humans?

• they help hold a cell together

• they help a cell get rid of waste

• they protect cells from harmful substances

• they move debris out of respiratory airways

Which organelle is called the "powerhouse of the cell" because it converts food into energy?

• smooth ER

• vesicle

• cytoskeleton

• mitochondria

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NGSS.MS-LS1-2

NGSS.MS-LS1-7

What is the name of the scientist who first observed (discovered) cells?

• Captain Hook

• Robert Hooke

• Theodor Schwann

• Matthias Schleiden

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NGSS.MS-LS1-1