Top answers

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
5241 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
15970 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
32676 Views

What is the difference between ‘Continuity’ and ‘Non-continuity’ editing?

Continuity editing is the most common style of film editing. The purpose of continuity editing is to create the illusion of smooth continuous action and helps to keep the audiences’ attention to the story. T...
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46288 Views

What is the difference between ‘Diegetic’ and ‘Non-diegetic’ sound?

Diegetic sound is a noise which has a source on-screen. They are noises which have not been edited in, for example dialogue between characters or footsteps. Another term for diegetic sound is actual sound. N...
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138661 Views