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Biology
A Level

How does information from a gene make a protein?

A gene is defined as a section of DNA that codes for a protein. Within a gene you have triplets which are 3 bases in a row that code for a specific amino acid

GM
Answered by Georgina M. Biology tutor
4147 Views

What is the second line of defence?

What is the second line of defence?

Before we start let’s re-cap some key terminology:

-pathogen: a microorganism causing disease or illness to its host

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TO
Answered by Tumbi O. Biology tutor
11877 Views

During the light-independent reaction of photosynthesis, carbon dioxide is converted into organic substances. Describe how

As suggested by the name, the light-independent reaction occurs without the precence of light. To start, carbon dioxide combines with ribulose bisphosphate (RuBP) to produce two molecules of glycerate...

BJ
Answered by Bryony J. Biology tutor
16066 Views

What is the difference between competitive and non-competitive enzyme inhibition?

The active site of an enzyme is the place on the enzyme molecule where the substrate (the substance which participates in the reaction catalysed by the enzyme) normally binds. Competitive inhibitors slow ...

KR
Answered by Krithi R. Biology tutor
22672 Views

What is cross bridge cycling and why is it important in muscle contraction?

In order to understand cross bridge cycling and its importance in muscle contraction, you need to be familiar with the ‘contractile machinery’ that causes muscle contraction and the sliding filament theor...

MS
Answered by Moonisah S. Biology tutor
64753 Views

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