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Outline the key structural differences between mRNA and DNA molecules and how do these contribute to their different functions?

DNA is a double stranded nucleotide polymer that is configured as a double helix, whereas RNA is a single-stranded polymer that can form secondary structures. This double-stranded nature contributes to the l...
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Answered by Vicky K. • Biology tutor
5033 Views

Explain how a recessive phenotype can be produced from two parents with a dominant phenotype

A recessive phenotype is produced when there are two copies of the same recessive allele e.g. aaA dominant phenotype is produced when there is at least one copy of a dominant allele e.g. Aa or AAA parent wit...
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Answered by Hannah Q. • Biology tutor
5163 Views

Outline the four levels of protein structure.

Primary structure is the number as well as the sequence/order of amino acids in a polypeptideSecondary structures are regularly repeating structures which can either be beta-pleated sheets or alpha-helices h...
EP
Answered by Ethan P. • Biology tutor
2327 Views

Describe how mark-release-recapture technique could be used to estimate a population of mosquitoes.

Capture mosquitoes by taking a sample from the area of interest for a set period of time, mark the collected insects with a non damaging mark and release then.Then allow time for the marked mosquitoes to dis...
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Answered by Anna J. • Biology tutor
5380 Views

What can be used to treat people with coronary heart disease?

Statins and Stents
JT
Answered by Jonathan T. • Biology tutor
3152 Views