Top answers

Biology
All levels

Cholera causes an influx of Chloride ions into the lumen of the bowel. How would this cause diarrhoea?

The influx of chloride ions into the lumen of the small bowel causes the water potential to decrease (become more negative). This causes an increased water potential difference between the lumen and the c...

JT
Answered by Joseph T. Biology tutor
7900 Views

What is the difference between a competitive and a non competitive inhibitor?

Competitive inhibitors have a molecular shape similar to the substrate therefore compete with the substrate for the active site on the enzyme. If the concentration of substrate increases, the effect of th...

DN
Answered by Dominique N. Biology tutor
2321 Views

Describe how glucose is taken up by cells?

Glucose is absorbed into the bloodstream from the small intestine. In the bloodstream, glucose stimulates insulin release by pancreatic beta cells.Insulin binds to the insulin rece...

AM
Answered by Ahmad M. Biology tutor
3523 Views

outline the steps of DNA transcription


RNA polymerase is the enzyme used to bind the DNA section of interest and recruit the free bases needed to form a new mRNA strand. DNA is transcribed on to an mRNA strand because it is too large to ...

AA
Answered by Adaeze A. Biology tutor
2686 Views

Describe the flow of blood through the heart

First of all be aware of the compartments the blood will flow through such as the left and right atria and ventricles. Note the bicuspid, tricuspid and semi lunar valve positions.Blood entering the right...

SK
Answered by Sarah K. Biology tutor
2645 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning