Top answers

Biology
A Level

How does a point mutation in the gene coding for ATP synthase affect oxidative phosphorylation

In a point mutation, a single base is substituted, inserted, or deleted. This changes the sequence of amino acids in ATP synthase. This changes the tertiary structure of ATP synthase. ATP synthase is used...

ET
Answered by Elizabeth T. Biology tutor
2930 Views

Give a definition/explanation for the term 'phenotype'

A phenotype is the expression of the genetic constitution of an organism and how it interacts with the environment.

FS
Answered by Frankie S. Biology tutor
3086 Views

Which of these nucleotide bases is NOT present in RNA: Cytosine, Thymine, Guanine, Adenine, Uracil

The correct answer is: Thymine.The four bases found in DNA molecules are Cytosine, Guanine, Adenine and Thymine but in RNA molecules, the Thymine base is replaced by Uracil.

FS
Answered by Frankie S. Biology tutor
24902 Views

How does saltatory conduction work?

Most axons in the human nervous system are myelinated, meaning they are enclosed in a myelin sheath, a fatty deposit created and maintained by Schwann cells that acts as an electr...

ZC
Answered by Zoe C. Biology tutor
31582 Views

What is the difference between cyclic and non-cyclic photosynthesis?

These are the two types of photophosphorylation and they occur in the light-dependent stage of photosynthesis. We will start with non-cyclic photophosphorylation as this is the step we expect to see when ...

SV
Answered by Smit V. Biology tutor
41041 Views

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