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Label the parts marked on the diagram of the eye

Part 1) - the retina It contains light sensitive cells - the rods/cones Part 2) the vitreous humour It maintains the shape of the eye
NO
Answered by Niamh O. Biology tutor
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I have a DNA molecule with the bases A, C, G on one side. Complete the model by filling in the missing pair bases.

This is an easy one if you just remember two simple facts. A binds to T and C binds to G Since we have the bases A, C, G to pair with now we know, the answer must be.....? T, G, C !
NO
Answered by Niamh O. Biology tutor
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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
14104 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
4951 Views

How do I answer a compare question?

Command words are important and you should check carefully exactly what the question is actually asking for. If a question asks you to 'compare', all you need to do is point out similarities and differences,...
DH
Answered by Daniel H. Biology tutor
48431 Views