Chromosomes and Cell Division

Question 1

What are telomeres?

Answer 1

The tips of the arms on a chromosome.

Question 2

What is more compacted, Euchromatin or Heterochromatin?

Answer 2

Heterochromatin.

Question 3

Is Euchromatin or Heterochromatin used to code?

Answer 3

Euchromatin

Question 4

What is more darker in appearance, Euchromatin or Heterochromatin?

Answer 4

Heterochromatin

Question 5

What are Nucleosomes?

Answer 5

DNA strands wrapped around histone proteins

Question 6

What do Nucleosomes form?

Answer 6

Chromatin fibres

Question 7

What do chromatin fibres form?

Answer 7

The chromosome

Question 8

What stages does mitosis happen in?

Answer 8

Interphase
Prophase
Metaphase
Anaphase
Telophase
Cytokinesis

Question 9

What happens in Prophase?

Answer 9

Chromosomes become visible and spindle fibres appear

Question 10

What happens in Metaphase?

Answer 10

Chromosomes align at equator and spindle fibres attach to centromeres

Question 11

What happens in Anaphase?

Answer 11

Chromatids seperate at centromere and move to opposite ends of cell

Question 12

What happens in Telophase?

Answer 12

New nuclear membranes form

Question 13

What happens in Cytokinesis?

Answer 13

Cytoplasm seperates and 2 new cells are formed