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What are the functional differences between RNA and DNA

DNA is the medium which encodes the information that makes an organism what it is. DNA usually forms a double stranded structure and encodes genes and other regulatory elements. RNA can act as either catalys...
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Answered by Rosewan A. • Biology tutor
10003 Views

What are is the function of a ribosomes and what is it made from?

Ribosomes translate (read) messenger RNA to produce specific polypeptide chains (proteins). The Ribosome itself is made up rRNA which forms the structures which read the messenger RNA and add peptides to the...
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Answered by Rosewan A. • Biology tutor
9595 Views

How does a vaccine prevent infection?

When vaccine is given small amounts of the dead or inactive pathogen are inserted in to the blood, this activates the body's white blood cells which then produce antibodies. These antibodies destroy the dead...
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Answered by Rosie B. • Biology tutor
5161 Views

What is the difference between aerobic respiration and anaerobic respiration?

Respiration is the process by which the body creates energy by breaking down nutrients. This can either happen in the presence of oxygen, or without it. The key difference between the two processes are that ...
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Answered by Alex W. • Biology tutor
15889 Views

What's the difference between speed and velocity?

Speed and velocity are both measurements of the rate of travel but their is a subtle difference. Speed tells us the rate at which an object is moving. Velocity tells us the rate at which an object is moving ...
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Answered by George B. • Science tutor
32513 Views