Biology
Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

Rudolf Virchow
Theodore Schwann
Robert Brown
Robert Hooke

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Biology
Which of the following is not true of colour blindness?

For some people, it might be difficult to recognize colours of traffic lights and signs
Red-green colour blindness is the most common type of colour blindness
Colour blind people learn to rely on shapes, patterns, and positions of signs and signals
A colour blind person cannot see any colours

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