Give the three structural features found in all virus particles and describe the function of one of these features - AQA - A-Level Biology - Question 1 - 2023 - Paper 1
Question 1
Give the three structural features found in all virus particles and describe the function of one of these features.
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Function of one named feature
Worked Solution & Example Answer:Give the three structural features found in all virus particles and describe the function of one of these features - AQA - A-Level Biology - Question 1 - 2023 - Paper 1
Step 1
1. Genetic material
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Answer
All viruses contain genetic material, which can either be DNA or RNA. This genetic material carries the instructions needed for the virus to replicate and produce new viral proteins.
Step 2
2. Capsid
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The capsid is a protein coat that protects the viral genetic material from degradation. It also plays a role in the delivery of the viral genome to host cells.
Step 3
3. Attachment protein
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Attachment proteins are responsible for binding the virus to specific receptors on the surface of host cells. This binding is crucial for the virus to enter the cell and initiate an infection.
Step 4
Function of one named feature
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Answer
The function of the attachment protein is to facilitate the entry of the virus into host cells by binding to specific receptors, allowing the viral genetic material to be injected into the host cell.
