Cells and Microorganisms - 5th grade

What are 2 structures that are found in plant cells and not in animal cells and what do they do?

1. Cell Wall - protects plant cells. 2. Chloroplast - uses light energy to make food.

Give 3 examples of helpful microorganisms

1. Mold for penicillin 2. Yeast for bread 3. Bacteria turning milk into yogurt

Give 3 examples of harmful microorganisms

1. Ringworm fungus 2. Athlete's foot 3. Salmonella

Cell Wall

A rigid organelle that provides structure and protection to plant cells.

cell membrane

An organelle that controls what goes in and out of the cell.

Nucleus

An organelle that directs the cell's activities.

cholorplast

An organelle that makes food for a plant cell.

Mitochondria

An organelle that provides energy to the cell.

Microorganism

An organism that is too small to be seen with the unaided eye.

Organelle

Each cell contains structures that perform certain functions to keep the cell alive.

What type of instrument would you use to look at cells?

Microscope

Cell

The basic unit of structure and function in living things

Cytoplasm

The jelly-like organelle that keeps the cell healthy.

Vacuole

an organelle that stores food, water, and other materials needed by the cell

What are 4 types of microorganisms?

bacteria, viruses, fungus, protists

Mold is a type of what?

fungus

What shape are plant cells?

rectangular

What shape are animal cells?

round