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Biology
IB

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 nucl...

CM
Answered by Christina M. Biology tutor
2175 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

...

DW
Answered by Daisy W. Biology tutor
4290 Views

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

  1. This process of events is called mitosis (1)

  2. Mitosis includes these stages: Interphase, Prophase, Metaphase, Anaphase, Telophase/Cytokinesis (1)

  3. DNA replicati...

RR
Answered by Rebecca R. Biology tutor
1774 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...

GM
Answered by Gloria M. Biology tutor
35948 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 durin...

AS
Answered by Anna S. Biology tutor
11489 Views

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