Top answers

Each skin cell in a mouse has 40 chromosomes. How many chromosomes were present in each cell after dividing four times during cell culture?

When a cell divides, the number of chromosomes in that cell does not change. So if a cell had 40 chromosomes in it before it divided, it would still have 40 chromosomes in it after it had divided.
KJ
Answered by Kelly J. • Biology tutor
14130 Views

What are indicator species and what are they used for?

Indicator species are organisms whos presence or absense may indicate something about the environement. For example, an increase in organisms that are not dependant on oxygen to survive (also known as anaero...
KJ
Answered by Kelly J. • Biology tutor
4979 Views

How should I structure my longer answer questions?

The length of the longer answer essay questions you have to write will vary between exam boards but some key things to consider are relevant to all of them which are useful for most essay answers in geograph...
DH
Answered by Daniel H. • Geography tutor
4513 Views

What makes a good personal statement that will impress a university I want to go into?

Writing a personal statement is a challenging task but I would say that as long as you genuinely believe in what you are saying and are passionate about going to a particular university you will be able to w...
DA
2768 Views

When should I start revising for GCSEs and what is the best strategy for revision?

You should start you revision as soon as possible so that you have the time to put the different ideas, facts and names in order and form stable relationships between names and theories! You could even start...
DA
4616 Views