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Cells

Chapter 4

Multiple Choice

Schleiden and Schwann created the "cell theory," which in its modern form says:

• all organisms are composed of one or more cells, all cells are the smallest living things and all cells arise by division of other cells.

• all organisms are composed of one or more cells, all cells arise spontaneously and all cells vary in size and shape.

• all cells will arise spontaneously, all cells require oxygen and all cells are composed of one or more cells.

Multiple Choice

Are all plant cells square?

• Yes

• No

Multiple Choice

Are all animal cells round?

• yes

• no

Multiple Choice

Which structures are found in every living cell?

• cell membrane and cytoplasm
• chloroplasts and mitochondria
• a cell wall and nucleus
• chloroplasts and cell wall

Multiple Choice

Prokaryotic cells do NOT have a nucleus. 

• True 
• False 

Multiple Choice

Directs all cell activities through the DNA located there.

• Lysosomes
• Nucleus
• ribosomes
• Mitochondria

Multiple Choice

Where are proteins made?

• Golgi body
• Mitoichondria
• Chromosomes
• Ribosomes

Multiple Choice

Your muscle cells need large amounts of ATP to function in the movement of your body. Which of the following organelles would you expect to be especially abundant in muscle cells?

• mitochondria

• lysosome

• ribosome

• smooth endoplasmic reticulum

Multiple Choice

A screen door allows breezes to enter and aromas to exit but keeps out insects. Its function most resembles:

• a ribosome

• the ER

• the cytosol

• the plasma membrane

Multiple Choice

Which of the following types of cells contain ribosomes?

• prokaryotic cells

• eukaryotic cells

• both prokaryotic cells and eukaryotic cells