Organelles and Cell Transport

The basic unit of structure and function in living things is the __.

• nucleus

• membrane

• cell

• chloroplast

The thin structure that surrounds a cell is known as __.

• a nucleus

• a cell membrane

• cytoplasm

• a vacuole

The movement of molecules from an area of high concentration to low concentration.

• osmosis

• diffusion

• endocytosis

• phagocytosis

organelle that makes proteins

• mitochondria

• nucleus

• endoplasmic reticulum

• ribosomes

The structure that breaks down glucose to make ATP.

• chloroplast

• mitochondria

• lysosomes

• Golgi apparatus/Golgi body

Diffusion is an example of

• active transport

• passive transport

• endocytosis

• exocytosis

Which of the following is characteristic of prokaryotes?

• they have a nucleus

• they existed on Earth before eukaryotes

• the organelles in their cytoplasm are surrounded by membranes

• none of the above

A muscle cell that is particularly active would need a large number of __.

• mitochondria

• ribosomes

• nuclei

• chromosomes

The Golgi apparatus is an organelle that

• receives proteins and lipids from the ER.

• labels the molecules made in the ER with tags that specify their destination.

• releases molecules in vesicles.

• all of the above

Where ATP is produced.

• nucleus

• ER

• mitochondria

• ribosome