7th Sc Ch5 L2

The __________________ controls the materials that enter and leave the cell.

• ribosomes

• nucleus

• mitochondion

• cell membrane

Ribosomes make ____________.

• organelles

• protein

• organ system

• sugar

The __________________ is a large structure that directs the cell's activities.

• mitohondrion

• cytoplasm

• nucleus

• endoplasmic reticulum

The storage area of a cell is called a(n) ____________________.

• mitochondrion

• cytoplasm

• organelles

• vacuole

A group of organs that work together to perform a major function is called a(n) _____________________.

• organ system

• chromatin

• system structure

• multicellular

_________________ are tiny cells structures that carry out specific functions in the cell.

• Vacuole

• Organelles

• Chromatin

• Multicellular

Plant cells have chloroplasts, but animal cells do not.

• true

• false

The cells's nucleus is filled with a substance called protein.

• true

• false

The specialized cells in a unicellular organism perform specialized jobs.

• true

• false

Ribosomes are made in a special region of the nucleus called the nucleolus.

• true

• false