Looking Inside Cells

__________are tiny cell structures that carry out specific functions within the cell.

• organelles

• cell wall

• ribsomes

• volcules

The rigid layer of nonliving material that surrounds the cell of plants and other organisms is called the ___________.

• cell membrane

• organelles

• cell wall

• nucleus

In cells without cell walls, the ___________ forms the outside boundary that separates the cell from its environment.

• cytoplasm

• ribsomes

• cell wall

• cell membrane

The _________ is a large, oval structure that directs all of the cell's activities.

• nucleus

• volcules

• golgi body

• center circle

The region between the cell membrane and the nucleus is called the _______.

• volcules

• cytoplasm

• ribsomes

• organelles

The _________ produce most of the energy the cell needs to carry out its functions.

• golgi body

• mitochandria

• volcules

• center cells

A maze of passageways called the _______________ carries proteins and other materials from one part of the cell to another.

• cloroplast

• cell wall

• cell membrane

• endoplasmic reticulum

_________________ function as factories to produce proteins.

• cells

• veins

• ribsomes

• volcules

___________ receive proteins and other newly formed materials and distribute them to other parts of the cell.

• cell membrane

• golgi body

• cells

• organelles

Organelles called __________ capture energy from sunlight and use it to produce food for the cell.

• cloroplast

• ribsomes

• volcules

• cell wall