Top answers

How do I answer a long answer question in detail without writing too much and wasting exam time?

Use key words and ensure you are specific in what you are saying. Try and avoid writing in long sentences, use bullet points if you can. Diagrams are also helpful for the examiner to understand your answer b...
OO
3423 Views

Describe the structure of DNA

Nucleotides make up DNA. Nucleotides themselves are made up of a phosphate, sugar and base. They bases are: Adenine (A), Thymine (T), Cytosine (C), Guanosine (G). A is bonded to T. C is bonded to G. The base...
ML
Answered by Miranda L. • Biology tutor
3089 Views

What are the stages of cell division?

Cell division occurs through a process called mitosis where a mother cell splits in two to form daughter cells identical to that of the mother. The stages of mitosis are prophase, metaphase, anaphase, teloph...
KL
Answered by Kishen L. • Biology tutor
3605 Views

What is eutrophication?

Eutrophication is a negative impact of the use of fertilisers on aquatic lifeforms. When nutrients from fertilisers (eg nitrate and phosphates) leach from farm fields into the water, this allows fast-growing...
PF
Answered by Phoebe F. • Biology tutor
4443 Views

Why is it difficult for a baby to get enough oxygen to their tissues when there is a hole between the left and right ventricles?

It is important to remember the function of each of the ventricles. Remeber that the left ventricle pumps oxygenated blood around the body, and the right ventricle pumps deoxygenated blood to the lungs. If t...
RA
Answered by Rachel A. • Biology tutor
3051 Views