4.1.1 Prokaryotic DNA

Question 1

Prokaryote means

Answer 1

before the nucleus

Question 2

The DNA in prokaryotes is

Answer 2

double-stranded

Question 3

Prokaryotes possess a

Answer 3

single, circular chromosomal DNA molecule

Question 4

Prokaryotes possess a single, circular chromosomal DNA molecule, it is sometimes referred to as

Answer 4

a nucleoid

Question 5

They also usually have one or more

Answer 5

plasmids

Question 6

Plasmids are

Answer 6

very small circular DNA molecules

Question 7

Plasmids usually only contain a few

Answer 7

genes

Question 8

Plasmids are more accessible for proteins required for

Answer 8

gene expression and therefore contain genes that are required often, quickly and/or in emergencies

Question 9

The genes for antibiotic resistance are often found in

Answer 9

plasmids

Question 10

The DNA within prokaryotic cells is not associated with any

Answer 10

proteins

Question 11

Eukaryotic DNA associates with

Answer 11

histone proteins

Question 12

Image showing the arrangement of DNA within a prokaryotic cell

Answer 12