Top answers

What is mitosis?

Mitosis is a process whereby the chromosomes (which carry the genetic information) of the cell that were duplicated during replication,to make two identical set of chromosomes, are separated into two nuclei....
CM
Answered by Christina M. • Biology tutor
3152 Views

Outline the Stages of Mitosis

Pre-Mitosis: Interphase: - DNA as uncondensed chromatin - DNA contained within nucleus - Centrosomes etc duplicated - Cell enlarged Stages of Mitosis Prophase: - DNA Supercoils & chromosomes condense - C...
DW
Answered by Daisy W. • Biology tutor
4785 Views

Explain the events that occur in cells that result in the production of genetically identical nuclei (8 marks)

This process of events is called mitosis (1) Mitosis includes these stages: Interphase, Prophase, Metaphase, Anaphase, Telophase/Cytokinesis (1) DNA replication occurs in Interphase (1) Prophase - chromosome...
RR
Answered by Rebecca R. • Biology tutor
2208 Views

What are the similarities and differences between photophosphorylation and oxidative phosphorylation?

Both processes operate on the same basic principle; passing electrons down a chain in order to create a proton (H + ) gradient , allowing the formation of ATP . The biggest difference is where they occur. Ph...
GM
Answered by Gloria M. • Biology tutor
44489 Views

Explain the causes and consequences of sickle cell anaemia (5)

Sickle cell anaemia is caused by a point mutation, exchanging adenine for thymine in the DNA codon CTC. This causes a change in the mRNA to GUG, which results in a change in the polypeptide sequence during p...
AS
Answered by Anna S. • Biology tutor
12702 Views