Match each viral structural component or packaged enzyme in Column I with its correct biological function or structural origin in Column II.
- CapsomerMorphological protein subunit that self-assembles to form the protective viral capsid
- Envelope phospholipidsHost cell-derived membrane layer acquired by enveloped viruses during egress by budding
- Reverse transcriptaseViral enzyme packaged within the core to synthesize complementary DNA from an RNA template
- Tail sheathContractile proteinaceous tube used by bacteriophages to inject viral nucleic acid into host cytoplasm
Cevap
Capsomer matches with morphological protein subunit that self-assembles to form the protective viral capsid; Envelope phospholipids match with host cell-derived membrane layer acquired by enveloped viruses during egress by budding; Reverse transcriptase matches with viral enzyme packaged within the core to synthesize complementary DNA from an RNA template; Tail sheath matches with contractile proteinaceous tube used by bacteriophages to inject viral nucleic acid into host cytoplasm.
Capsomers are the individual protein subunits that aggregate to form the outer viral capsid; envelope phospholipids are host-derived lipid bilayers captured during viral budding; reverse transcriptase is a specialized enzyme packaged in retroviruses to synthesize DNA from viral RNA; and the tail sheath is a specialized contractile structure in bacteriophages that injects viral nucleic acid into bacterial hosts.
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Anahtar Kavram
Biochemical Roles and Functions of Viral Structural Features