Functions of Sub-Cellular Structures

Question 1

Nucleus

Answer 1

Contain genetic material that controls the cell activity.

Question 2

Cell Membrane

Answer 2

Hold the cell together and control what goes in and out.

Question 3

Cytoplasm

Answer 3

A gel-like substance where most chemical reactions take place. Contains enzymes that control these.

Question 4

Mitochondria

Answer 4

Where most aerobic respiration reactions occur.

Question 5

Ribosomes

Answer 5

Where the second stage of protein synthesis takes place.

Question 6

Chloroplasts

Answer 6

Contain chlorophyll (a green pigment) to absorb sunlight for photosynthesis (which they host).

Question 7

Cell Wall

Answer 7

Rigid cellulose (plants) / peptidoglycan (bacteria) structure, strengthening and supporting the cell.

Question 8

Vacuole

Answer 8

Contain cell sap, maintaining internal pressure to support the cell.

Question 9

Chromosomal DNA

Answer 9

Control cell activity and replication.

Question 10

Plasmid DNA

Answer 10

Contain genes that can be passed between bacteria, things like drug resistance.

Question 11

Flagellum

Answer 11

Hair-like structure rotating for movement.