Top answers

Describe how genetic fingerprinting is carried out? (example of 6-mark question)

Every individual's DNA sequence is different and genetic fingerprinting can be used to distinguish individuals based on their unique DNA sequence. To begin, DNA needs to be extracted from a sample , which co...
FH
Answered by Fabiola H. • Biology tutor
7993 Views

¿Cuáles son las ventajas y desvantajas de las redes sociales?

I would explain to the student what the marker is looking for: Communication and content, accuracy and quality of language (vocabulary, range of tenses, opinions) I would advice on how to structure the respo...
ST
Answered by Sophie T. • Spanish tutor
3249 Views

A farmer has a field that he wants to give away to his two sons. When the field is divided into two, one of his son's field has an area of 18cm (squared), work out how much area of the field his other son will get

The person completing the question will need to spilt the shape up so that they can find which rectangle is equal to 18cm squared. Then, they will have to work out what the area of the remaining rectangle is...
GM
Answered by Georgia M. • Maths tutor
2386 Views

Solve algebraically the simultaneous equations: x^2 + y^2 = 25 and y – 3x = 13

(1) x 2 + y 2 = 25 (2) y - 3x = 13 To solve simultaneous equations algebraically we want to rearrange one of the equations to be able to substitute this in to the other equation. In this example, we have squ...
MO
Answered by Maria O. • Maths tutor
3946 Views

How does the eye respond to light?

The eye responds to bright light to protect the retina from damageThe bright light triggers a reflex that makes the pupils smaller, meaning less light enters the eyeAs with all reflexes, there is a stimulus,...
JA
Answered by Jonathan A. • Biology tutor
15207 Views