Cells Ch. 5

Question 1

What is the basic structural and functional unit of living organisms?

Answer 1

The cell

Cells can be unicellular or multicellular.

Question 2

What are the two main types of cells?

Answer 2

Unicellular and multicellular

Unicellular organisms consist of a single cell, while multicellular organisms consist of many cells.

Question 3

What is the typical size of cells in relation to visibility?

Answer 3

Cells are so small that they can only be seen with a microscope

Cells cannot be seen with the naked eye.

Question 4

What are organelles?

Answer 4

Specialized structures within cells that carry out vital functions

Examples include the nucleus, mitochondria, chloroplasts, and vacuoles.

Question 5

List the structures found in all plant and animal cells.

Answer 5

• Cell membrane (plasma membrane)
• Cytoplasm
• Nucleus
• Mitochondria

Mitochondria is singular for mitochondrion.

Question 6

What additional structures are found in plant cells?

Answer 6

• Cell wall
• Chloroplasts
• Large vacuole

These structures are not present in animal cells.

Question 7

What do the cytoplasm and nucleus together form?

Answer 7

Protoplasm

Protoplasm is a term used for the living contents of the cell.

Question 8

True or False: All cells have a cell wall.

Answer 8

False

Only plant cells have a cell wall; animal cells do not.

Question 9

Fill in the blank: The _______ is responsible for energy production in cells.

Answer 9

mitochondria

Mitochondria are often referred to as the powerhouse of the cell.