Top answers

Biology
A Level

Describe the processes of obtaining desired genes and their subsequent transfer into the cells of organisms.

In answering this question, it is important that the student outlines the steps and tools involved in the process (for learning purposes it is easier to learn the numerical steps, however, it is important...

NG
Answered by Niamh G. Biology tutor
4097 Views

What is the bonding in a DNA double helix

Adenine, Guanine, Cytosine, Thymine.A binds to T. “A tea for 2” as there are two hydrogen bonds linking adenine on one DNA strand to thymine on another DNA strandc binds to G. 3 hydrogen bonds between the...

JO
Answered by Jim O. Biology tutor
3652 Views

Explain how certain molecules or ions increase the activity of enzymes.

Cofactors and coenzymes bind to an enzyme's allosteric site. This causes interactions between hydrogen bonds in the tertiary structure of the protein to change- altering its structure.The change of struct...

BC
Answered by Ben C. Biology tutor
10628 Views

What is the difference between DNA and mRNA?

DNA is much longer than mRNA and forms a chromosome, whereas mRNA is much shorter; corresponding to a single gene. DNA is structurally different; it is usually found as a double helix and contains the bas...

CM
Answered by Charlotte M. Biology tutor
4819 Views

Explain how a plant is able to make glucose from carbon dioxide.

Plants carry out photosynthesis which contains the light dependant and light independent reaction . CO2 is used in the light independent reaction- the Calvin cycle. Co2 enters the stroma in a chloroplast ...

EW
Answered by Elsa W. Biology tutor
6648 Views

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