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Biology
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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
2360 Views

(a) Name the organs which produce each of the following hormones. Choose from this list. ovaries brain liver stomach pancreas testes kidney (i) testosterone. (1 mark, 1 li

(a)     (i)      testes;                                                                                                                                       
         (ii)     pancreas;            ...

NM
Answered by Niko M. Biology tutor
2294 Views

Outline the process of DNA replication

During DNA replication the double-stranded DNA helix is separated to single strands by the enzyme DNA helicase. This exposes the nucleic acid bases that encode the genetic sequence. Replication is then in...

LW
Answered by Lorna W. Biology tutor
3085 Views

How do we pick up maximum marks in each question?

The first thing you should be doing when you read a question is to make sure that you understand exactly what it is asking from you for which subject knowledge is extremely important. Underlining or highl...

AH
Answered by Amaarah H. Biology tutor
5365 Views

Briefly describe the main differences between fast and slow twitch muscles and how does this relate to their specific functions.


First of all,  slow-twitch (type I) muscle fibres have a large number of mitochondria allowing them to carry out aerobic respiration at a high rate by providing a site for the Kreb's cycle (taking ...

SG
Answered by Sebastian G. Biology tutor
4254 Views

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