Cell Function

What is the chronological order of things in the human body?

Cells, tissues, organs, organ systems, and organisms.

What are prokaryotes?

A type of cell that has no nucleus.

What are eukaryotes?

A type of cell that does have a nucleus.

What does homeostasis mean?

Something stays stable, even though it has a changing environment.

The cell membrane is selectively permeable, meaning…

Only certain things can pass through it.

Cytoplasm

A liquid that fills the cell.

Ribosomes

The site of protein synthesis.

Amino acids

The building blocks of protein.

Where is DNA held and stored?

Inside the nucleus.

What is the endoplasmic reticulum?

A large structure, that stores calcium where protein synthesis occurs and lipid metabolism occurs.

What is rough endoplasmic reticulum?

The part of the endoplasmic reticulum that makes an area for chemical reactions to occur and where protein transport happens

What is smooth endoplasmic reticulum?

Endoplasmic reticulum that makes hormones and lipids and also detoxifies.

What does a Golgi apparatus do?

It processes and packs proteins, and lipid molecules.

What does the mitochondria do?

Also known as the powerhouse of the cell, it generates energy through cellular, respiration, using glucose and oxygen.

What do plant cells do?

They use chloroplasts with ATP from the sun to perform photosynthesis.

What do lysosomes do?

They have enzymes that breakdown, unused cell parts

What do vacuoles do?

Helps separate water products and maintain H2O balances.