1.2. Cells as the basic units of living organisms
A subsection of Biology, 9700, through 1. Cell structure
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Picornaviruses are small viruses that are 30 nm in diameter. Picornaviruses are able to enter the cells of mammals and birds and can replicate within these cells. shows the entry of a picornavirus into its host cell. host cell surface membrane not to scale picornavirus State the key features of a virus, such as picornavirus. State, with reasons, whether a picornavirus can be seen using the light microscope. With reference to , describe how the picornavirus enters the host cell.
9700_s20_qp_22
THEORY
2020
Paper 2, Variant 2
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Questions Discovered
330