Draw a labelled diagram of a typical virus - Leaving Cert Biology - Question a - 2019
Question a
Draw a labelled diagram of a typical virus.
Give a reason why a virus is considered to be non-living.
Name two diseases in humans caused by viruses.
Name the meth... show full transcript
Worked Solution & Example Answer:Draw a labelled diagram of a typical virus - Leaving Cert Biology - Question a - 2019
Step 1
Draw a labelled diagram of a typical virus.
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Answer
To draw a labelled diagram of a typical virus, include:
Outer Coat (Capsid) - This is the protein coat that surrounds the viral genetic material.
DNA/RNA Fragments - Represent the genetic material either as DNA or RNA, indicating that viruses can be either.
Make sure to label both parts clearly.
Step 2
Give a reason why a virus is considered to be non-living.
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Answer
A virus is considered to be non-living because it is non-cellular and cannot reproduce independently without a host cell.
Step 3
Name two diseases in humans caused by viruses.
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Two diseases caused by viruses in humans include:
Influenza (Flu)
Measles
Step 4
Name the method of reproduction used by bacteria.
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Bacteria typically reproduce by a method known as binary fission.
Step 5
Name the three main bacterial shapes.
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Answer
The three main bacterial shapes are:
Rods (bacilli)
Spheres (cocci)
Spirals (spirilla)
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