Science 7 Topic 2 The Cell Structures

Question 1

A tiny cell structure that carries out a specific function within the cell.

Answer 1

Organelle

Question 2

A rigid supporting layer that surrounds the cells of plants and some other organisms.

Answer 2

Cell wall

Question 3

A thin, flexible barrier that surrounds a cell and controls which substances pass into and out of a cell.

Answer 3

Cell membrane

Question 4

The thick fluid region of a cell located inside the cell membrane (in prokaryotes) or between the cell membrane and nucleus (in eukaryotes).

Answer 4

Cytoplasm

Question 5

In cells, a large oval organelle that contains the cell’s genetic material in the form of DNA and controls many of the cell’s activities.

Answer 5

Nucleus

Question 6

Rod-shaped orgaelles that convert energy in food molecules to energy the cell can use to carry out its functions.

Answer 6

Mitochondria

Question 7

An organelle in the cells of plants and some other organisms that captures energy from sunlight

Answer 7

Chloroplast

Question 8

A sac-like organelle that stores water, food, and other materials.

Answer 8

Vacuole

Question 9

A set of pieces or parts that are arranged in a certain way within a larger object, system, or body.

Answer 9

Structure

Question 10

The job or purpose of a specific structure or organ within an organism.

Answer 10

Function