Biology || Introduction to Cells

The basic unit of structure and function in living things

• cells

• mitochondria

• nucleus

An instrument that allows scientists to see small objects

• macroscope

• microscope

• cells

The following statements are all part of what?

1. All living things are composed of cells.

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

3. All cells are produced from other cells.

• Cell Reddit

• Cell Facts

• Cell Theory

A rigid layer that surrounds the cells of plants and some other organisms

• cell membrane

• cell wall

• cell transport

A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell

• cytoplasm

• cell theory

• cell membrane

A cell's control center, directs all of the cell's activities

• nucleolus

• nucleus

• cell membrane

Tiny cell structures that carry out specific functions in the cell

• chromatin

• organelles

• cytoplasm

A small, grain-shaped organelle that produces proteins

• mitochondria

• chromatin

• ribosome

A thick, clear, gel-like fluid that fills the region of a cell between the cell membrane and the nucleus. This is constantly moving within the cell.

• cytoplasm

• chromatin

• cell wall

An organelle that converts stored energy in food to energy that the cell can use which is called ATP; nicknamed the "powerhouse" of the cell

• ribosome

• mitochondria

• nucleus