Organelle Functions (topic 1 Cells And Microscopy)

Question 1

Nucleus function

Answer 1

Controls all activities of the cell and is surrounded by the nuclear membrane. Contains genes on chromosomes

Question 2

Cytoplasm function

Answer 2

A liquid gel in which organelles are suspended and where most chemical reactions take place

Question 3

Cell membrane function

Answer 3

Controls a passage of substances such as glucose and mineral ions into the cell as well as urea or hormones out

Question 4

Mitochondria function

Answer 4

Structure in the cytoplasm where aerobic respiration takes place, releasing energy for the cell

Question 5

Ribosomes function

Answer 5

Where protein synthesis takes place

Question 6

Cell wall function

Answer 6

Made from cellulose, gives strength and support

Question 7

Chloroplast function

Answer 7

Found in all green parts of a plant. Contain the pigment chlorophyll to absorb light for photosynthesis

Question 8

Permanent vacuole function

Answer 8

Space in cytoplasm filled with cell sap, keeps cells rigid

Question 9

Plasmids function

Answer 9

A plasmid is a small, circular, double-stranded DNA molecule, Plasmids carry genes for replicating their DNA, transferring themselves from one host cell to another

Question 10

Flagellum function

Answer 10

Help an organism in movement

Question 11

Pilli function

Answer 11

The pilus is a hair-like structure it initiates contact between mating pairs