Test 1

Question 1

Specialised cell

Answer 1

A cell that has gone through cell differentiation that has a special function.

Question 2

Differentiation

Answer 2

The process by which cells become specialised for a particular function

Question 3

M=?

Answer 3

Metre (1m)

Question 4

mm=?

Answer 4

Millimetre

Question 5

Answer 5

Micrometer

Question 6

Equation for size of object

Answer 6

Question 7

Chromosome

Answer 7

A molecule of DNA

Question 8

Nucleus

Answer 8

An organelle where the DNA is located

Question 9

Gamete

Answer 9

A sex cell

Question 10

Gene

Answer 10

A short section of DNA on a chromosome

Question 11

Diffusion

Answer 11

The spreading out of particles

Question 12

Osmosis

Answer 12

The diffusion of water from a dilute solution to a concentrated across a partly permeable membrane

Question 13

Turgid

Answer 13

Full of water, cell becomes engorged,enlarged.

Question 14

Flaccid

Answer 14

Lacking water, cell becomes shrunken

Question 15

Plasmodia

Answer 15

The state of plant cells when so much water is lost from the cell by osmosis that the vacuole and cytoplasm shrink and the cell membrane pulls away from the cell wall.

Question 16

Active transport

Answer 16

Movement of molecules or ions from a low concentration to a high concentration, across a cell membrane against the concentration gradient. This process requires energy.