Top answers

What is a pathogen?

-it is a disease-causing microorganism -it is known to be infectious -examples: bacteria, fungi, viruses
MF
Answered by Maria F. • Biology tutor
3586 Views

Chaacteristics of living things

Living things differ from non-living things based on certain characteristics. There are 7 characteristics that identify living things and these can be remembered with the acronym MRS GREN. Movement Respirati...
BU
Answered by Bubaraye U. • Biology tutor
3081 Views

Can you name and describe the four levels of protein structure?

Primary structure - This is the sequence of the amino acids on the polypeptide chain. The amino acids are held together with covalent bonds. When mutations occur, they effect the primary structure of protein...
FL
Answered by Francine L. • Biology tutor
5325 Views

What is a gene and why is it relevant?

A gene is a part of a chromosome. The gene codes for a protein that expresses a specific characteristic.Genes code for our physical characterisics. It is a set of instructions to code for a protein which hel...
CC
Answered by Charlotte C. • Biology tutor
4325 Views

Describe two ways in which a pathogen (disease-causing organism) can cause disease?

There are several ways in which a pathogen can cause disease. These can be seen in the Germ Theory of disease, made famous by Robert Koch. These include releasing toxins (1) and damaging/killing local cells ...
PM
Answered by Paul M. • Biology tutor
28841 Views