Top answers

Biology
GCSE

There is an increasing worry about the rise of antibiotic-resistant bacteria, such as MRSA. How can doctors ensure that this threat is minimised? (2 marks)

Doctors can ensure that there is a reduced number of antiobiotics prescribed for patients. They can also make sure that patients are fully evaluated so as to stop the prescription of antibiotics for viral...

AT
Answered by Alex T. Biology tutor
2309 Views

What is the difference between osmosis and diffusion.

Firstly, it is important to read the question, it says what is the difference so we need to look at the differences between the two processes. Diffussion is the movement of particles from an area of high ...

AZ
Answered by Ashkun Z. Biology tutor
28425 Views

What is an enzyme?

An enzyme is a protein which acts as a biological catalyst, to speed up reactions. It has an active site which is a very specific shape to allow it to bond to a particular reagent and catalyse a specific ...

RH
Answered by Rachel H. Biology tutor
3819 Views

Can you explain how genetic diagrams of inheritance work?

Explanation of keys words first; a gene is a section of DNA that codes for a particular characteristic such as eye colour. An allele is a version of a gene (e.g. an allele for the eye colour gene could co...

IF
Answered by Izzy F. Biology tutor
5520 Views

Describe one example of plant or animal adapted to their environment in order to increase their chances of survival

Marram grass is an example of a plant adapted to its environment, as it lives on sand dunes where the environment is harsh. The sand its roots are in means water will drain away and its closeness to the s...

KD
Answered by Katie D. Biology tutor
11394 Views

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