Notes pages 23 & 28 Quiz Review

About how many different types of cells are in the human body?

• 100

• 200

• 10 trillion

• 10 billion

An organism made of only one cell is considered

• unicellular

• multicellular

• eukaryotic

• prokaryotic

Which of the following is an organism?

• bacteria cell

• skin cell

• nerve cell

• plant cell

A group of tissues working as a team make up a(n)

• cell

• organ

• atom

• proton

All cells have

• a cell wall

• ribosomes

• chloroplasts

• tissues

In our mental model of a cell (a balloon filled with jello with poppy seeds and a grape floating in the jello), what does the balloon represent?

• cell wall

• cell membrane

• cytoplasm

• ribosomes

According to the cell theory

• cells come from existing cells

• cells can pop out of thin air

• lipids are the basic unit of life

• molecules are the basic unit of life

Cells without a nucleus are

• prokaryotic

• eukaryotic

• tissues

• organelles

All living things eat

• true

• false

All living things require energy

• true

• false