Top answers


Messenger RNA (mRNA) is used during translation to form polypeptides. Describe how mRNA is produced in the nucleus.

Messenger RNA is produced via the process of transcription. DNA is transcribed into mRNA using RNA polymerase. First, the double helix structure of the DNA unravels, and the hydrogen bonds break between the ...
AJ
Answered by Akanksha J. Biology tutor
3681 Views

What is the difference between competitive and non competitive inhibitors?

Competitive inhibitors have a similar shape to the substrate and they compete with the substrate to bind to the enzymes active site. When they bind to the active site, they block the substrate from binding. ...
MC
Answered by Maria C. Biology tutor
2929 Views

What does the Hardy- Weinberg principle state? What is the equation?

• Both dominant and recessive allele frequencies will remain constant assuming the absence of migration, mutation and selection• p 2 + 2pq + q 2 = 1• Where p=frequency of A/N; p=frequency of a/N
JC
Answered by Jake C. Biology tutor
2916 Views

Describe the process of DNA replication

• Hydrogen bonds holding base pairs in the anti- parallel strands are broken by an enzyme; the two halves of the molecule separate • DNA unwinds and the strands separate; DNA polymerase catalyses the additio...
JC
Answered by Jake C. Biology tutor
3038 Views

Describe the problems that arise due to cystic fibrosis. Describe why cystic fibrosis occurs, with reference to its deficient gene. Describe the use of liposomes and viruses in treating cystic fibrosis

Describe the problems that arise due to cystic fibrosis • Produce thick, sticky mucus from epithelial cells lining certain passageways in body • Pancreatic duct becomes blocked preventing enzymes reaching du...
JC
Answered by Jake C. Biology tutor
2713 Views