Bio U3 - 3.2

Question 1

Describe the arrangement of prokaryotic DNA (nucleoid and plasmid).

Question 2

Define the term “naked” in relation to prokaryotic DNA

Question 3

Describe the structure and function of plasmid DNA.​

Question 4

Describe the structure of eukaryotic DNA and associated histone proteins during interphase (chromatin).

Question 5

Explain why chromatin DNA in interphase is said to look like “beads on a string

Question 6

List three ways in which the types of chromosomes within a single cell are different.

Question 7

State the number of nuclear chromosome types in a human cell.

Question 8

Define homologous chromosome.

Question 9

State a similarity and a difference found between pairs of homologous chromosomes.

Question 10

Define diploid

Question 11

State the human cell diploid number

Question 12

Outline the formation of a diploid cell from two haploid gametes.

Question 13

State an advantage of being diploid.

Question 14

Define haploid.

Question 15

State the human cell haploid number.

Question 16

List example haploid cells.

Question 17

List mechanisms by which a species chromosome number can change.

Question 18

Describe the process of creating a karyogram.

Question 19

List the characteristics by which chromosomes are arranged on the karyogram.