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Biology
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In A level biology exams there is a large focus on data interpretation questions. What is the best way to approach this style of question?

Often this particular style of question ranks amongst the most poorly answered by students. However, it is often very easy to pick up marks without any knowledge of the subject matter whatsoever. The firs...

Answered by Rory C. Biology tutor
6430 Views

Did we evolve from apes? What does the term 'common ancestor' really mean?

You are related to all the humans that are currently living on the planet, even if distantly. However, you are more closely related to your first cousin than you are to a classmate of yours. This is becau...

Answered by Miranda A. Biology tutor
2319 Views

Explain the events that occur in cells that result in the production of genetically identical nuclei (8 marks)

  1. This process of events is called mitosis (1)

  2. Mitosis includes these stages: Interphase, Prophase, Metaphase, Anaphase, Telophase/Cytokinesis (1)

  3. DNA replicati...

Answered by Rebecca R. Biology tutor
1671 Views

Discuss the bonds which comprise the tertiary structure of protein.

Bonds in a protein's tertiary structure occur entirely between the highly variable R-groups of the amino acyl residues. Firstly, hydrogen bonds further to those in the secondary structure may form between...

Answered by Jamie B. Biology tutor
5405 Views

What is the difference between aerobic and anaerobic respiration?

Aerobic respiration needs oxygen. It is the release of a relatively large amount of energy in cells by the breakdown of food substances in the presence of oxygen:

glucose + oxygen ...

Answered by Dan H. Biology tutor
2983 Views

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