Top answers

Describe the process of speciation . Ensure to include details in your answer.

This is a result of natural selection. Natural selection is the result of a barrier, physical such as the ocean or a volanco eruption. This barrier seperates members of a species. One genetic mutation occurs...
TM
Answered by Talia M. • Biology tutor
5684 Views

How does DNA transcription work?

The process of DNA transcription can be split up into three stages: initiation, elongation and termination. First, an enzyme called RNA polymerase binds to a certain sequence of bases called the promoter reg...
JD
Answered by Joré D. • Biology tutor
2592 Views

Describe the structure of proteins

Proteins are polymers (large molecules) of amino acids joined by peptide bonds. They are formed by condensation reactions, meaning water is a by-product of their formation, and there are different levels. Pr...
IW
Answered by Isla W. • Biology tutor
2903 Views

What is the difference between the leading and the lagging strand in DNA replication?

DNA replication is a semi-conservative process, which creates an identical replica of an already existing DNA double helix sequence. During DNA replication, the two antiparallel DNA strands are split in to t...
JH
Answered by Jenna H. • Biology tutor
34581 Views

Provide and explain one example of natural selection

For natural selection to occur, four conditions must exist. The first is that the population reprodces enough for there to be competition for resouces and survival between the members. The second is that par...
CM
3798 Views