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Biology
IB

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
2533 Views

Outline the four levels of protein structure.

Primary structure is the number as well as the sequence/order of amino acids in a polypeptideSecondary structures are regularly repeating structures which can either be beta-pleated sheets or alpha-helice...

EP
Answered by Ethan P. Biology tutor
1859 Views

Explain the first stages of aerobic respiration that occur before the Krebs cycle.

Aerobic respiration is a controlled release of energy from organic compounds to produce ATP with the use of oxygen. It occurs in several stages:
Glycolysis starts with phospho...

AK
Answered by Agata K. Biology tutor
2247 Views

Briefly outline the process of translation in animal cells.

Translation is the process by which polypeptide chains are built, subsequently forming proteins destined to perform a variety of functions in the body. It involves 3 main steps: i...

LS
Answered by Lucile S. Biology tutor
4197 Views

What are the similarities and differences between prokaryotic and eukaryotic cells? State the name and the function of structures found exclusively in eukaryotes.

Both prokaryotic and eukaryotic cells have a nucleus which is responsible for controlling cellular activity.Both cell types also have ribosomes which produce proteins and both are bound by a cell membrane...

MD
Answered by Margeoux D. Biology tutor
4268 Views

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