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Discuss the ethical issues of IVF in humans

There are several arguments for having in vitro fertilisation. Firstly, it allows people who couldn't otherwise have children to start a family. Also the embryos that are used for IVF, if there are signs ...

EC
Answered by Elsa C. • Biology tutor
2739 Views

Solve algebraically the following system of equations: 4x + 5y = -3; 6x - 2y = 5

To solve these algebraically, we need to eliminate one of the two variables (either x or y) and solve for the remaining variable. We then substitute the answer found into one of the two given equations to...

CS
Answered by Cara S. • Maths tutor
5914 Views

Explain why haemoglobin in Sickle Cell Anaemia is less effective at carrying oxygen.

The mutation present in sickle cell anaemia causes a change in the primary structure of amino acids in the haemoglobin molecule. This change in primary structure changes the tertiary structure of a haemog...

KT
Answered by Kit T. • Biology tutor
2557 Views

Calculate: ( 2+i√(5) )( √(5)-i).

[Brief intro to question] This is a typical example of A-Levels Further maths exam question. The aim of it is to obtain a single number (it can be both - either just real with no imaginary values i

RS
3587 Views

Why are people with cystic fibrosis more prone to developing lung infections?

Cystic fibrosis is a genetic condition which causes an increase in thick mucus, which can become deposited in the lungs. The condition affects the body's ability to control the salt and water which moves ...

MK
Answered by Mahum K. • Biology tutor
2862 Views

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