Week 3

Question 1

Term - Cytoplasm

Answer 1

cellular materials inside the cell.

Question 2

Term - Nucleus

Answer 2

control centre of cell.

Question 3

Term - Plasma membrane

Answer 3

Double layer of lipids with proteins molecules in it.

Question 4

Term - Microvilli

Answer 4

Increase surface area of plasma membrane.

Question 5

Term - Endoplasmic reticulum

Answer 5

membranous network, smooth or rough (ribosomes).

Question 6

Term - Ribosomes

Answer 6

protein synthesis

Question 7

Term - Golgi complex

Answer 7

modifies proteins for lipids for export.

Question 8

Term - Secretory vesicle

Answer 8

transports products such as proteins

Question 9

Term - Lysosome

Answer 9

contains acidic digestives enzymes.

Question 10

Term - Mitochondrion

Answer 10

synthesis adenosine triphosphate (ATP = heat, energy)

Question 11

Term - Centriole

Answer 11

roll in cell division (mitosis).

Question 12

Term - Desmosome

Answer 12

roll in joining the cells together.

Question 13

Term - Cytoskeleton

Answer 13

proteins organised as microfilaments, microtubules or intermediate filaments.

Question 14

What is hypotonic?

Answer 14

Water gained, volume increases, and the solute concentration decreases.

Question 15

What is isotonic?

Answer 15

Volume and solute concentration stay constant.

Question 16

What is hypertonic?

Answer 16

Water lost, volume decreases, solute concentration increases.

Question 17

What is mitosis and where does it occur in the human body?

Answer 17

• Cell division – making new cells from the pre – existing cells.
• It occurs throughout most areas of the body.