Definitions

Question 1

Diffusion

Answer 1

Net movement of particles from an area of higher concentration to an area of lower concentration

Question 2

Osmosis

Answer 2

The diffusion of water molecules across a partially permeable membrane from an area of higher water potential to an area of lower water potential

Question 3

Isotonic

Answer 3

When two solutions have the same water potential

Question 4

Monoclonal antibodies

Answer 4

Antibodies produced from a single group of genetically identical B cells

Question 5

Gene

Answer 5

Sequence of DNA bases that code for either a polypeptide or functional RNA

Question 6

Genome

Answer 6

Complete set of genes in the cell

Question 7

Proteome

Answer 7

Full range of proteins that the cell is able to produce

Question 8

Exons

Answer 8

Bits of genes that code for amino acids

Question 9

Allele

Answer 9

Different forms of one gene

Question 10

Homologous pair

Answer 10

Pair of matching chromosomes

Question 11

Genetic diversity

Answer 11

Number of different alleles of genes in a species or population

Question 12

Directional selection

Answer 12

Where individuals with alleles for characteristics of an extreme Tyler are more likely to survive

Question 13

Stabilising selection

Answer 13

Where individuals with alleles for character is around the mean are more likely to survive

Question 14

Species

Answer 14

Group of similar organisms able to reproduce to give fertile offspring