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Biology · Oct / Nov 2025 · Paper 41 · Question 1

0610

As printed in the paper

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  • 1(a)[3]

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    Vibrio cholerae

    D

    Helicobacter pylori

    B

    Salmonella typhi

    E

    Treponema pallidum

    C

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    Staphylococcus aureus

    A

    Streptobacillus moniliformis

    G

    Streptococcus pyogenes

    F

    ;;;

  • 1(b)(i)[4]

    radius: 0.25 um ;

    volume: 0.39 um3 ;;;

  • 1(b)(ii)[1]

    prokaryote ;

  • 1(c)(i)[2]

    J protein coat ;

    K genetic material ;

  • 1(c)(ii)[2]

    any two from:

    cell wall ;

    cell membrane ;

    circular / loop of, DNA ;

    plasmid ;

    cytoplasm ;

    ribosome ;

    AVP ;;

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