Keywords

Question 1

Acetylation

Answer 1

Proscess by which an acetyl group (from acetyl coenzyme A) is added to histone
Acetyl + histone

Question 2

Chromatin

Answer 2

Material that makes up chromosomes
- DNA and histone proteins

Question 3

Epigenetics

Answer 3

Environmental factors cause heritable changes in gene function
- without changing base sequence of DNA

Question 4

Gene mutation

Answer 4

A change to one one or more nucleotide bases

Question 5

Genome

Answer 5

Complete map of all genes on individual chromosomes of a organism

Question 6

Methylation

Answer 6

Addition of CH3 (methyl group) to cytosine bases on DNA
- inhibits transcription of genes

Question 7

Oncogene

Answer 7

Mutation of a proto- oncogene
= cells divide rapidly and out of control

Question 8

Proteome

Answer 8

All proteins produced in a cell or organism in a given time

Question 9

Totipotency

Answer 9

Ability of a cell to divide and differentiate into any type of cell

Question 10

Tumour suppressor gene

Answer 10

Gene that controls rate of cell division
= prevents development of tumours