Between 2013 and 2016 there was an outbreak of a disease called Ebola - Edexcel - GCSE Biology - Question 1 - 2020 - Paper 1
Question 1
Between 2013 and 2016 there was an outbreak of a disease called Ebola.
Ebola is estimated to have caused the deaths of more than 11,000 people.
(a) (i) Why is the n... show full transcript
Worked Solution & Example Answer:Between 2013 and 2016 there was an outbreak of a disease called Ebola - Edexcel - GCSE Biology - Question 1 - 2020 - Paper 1
Step 1
Why is the number of deaths from Ebola only an estimate?
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Answer
The number of deaths from Ebola is only an estimate because many deaths were not confirmed to be caused by Ebola. This could be due to various reasons, such as misdiagnosis or lack of medical records.
Step 2
State how Ebola is spread from person to person.
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Answer
Ebola is spread from person to person through direct contact with bodily fluids such as blood, saliva, sweat, and other secretions from an infected person.
Step 3
Describe the next stages of the lytic pathway.
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After the components of the virus are produced within the host cell, they assemble into new viral particles. The host cell eventually bursts (lysis), releasing these new viruses to infect other cells.
Step 4
Name this type of pathway.
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This type of pathway is known as the lysogenic pathway.
Step 5
State what is meant by the term genome.
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The term genome refers to the complete set of genetic material in an organism, including all of its genes and non-coding sequences of DNA.
