Identify a viral genome and protein coat while recognizing the absence of cytoplasm and limited metabolic machinery.
Tę umiejętność sprawdza 7 zadań wzorowanych na arkuszach IB z lat 2025–2026.
Three claims are made about viruses. I. Every virus is enclosed by a lipid envelope. II. Viral particles carry a nucleic acid genome. III. Viruses lack the independent cellular metabolism required for living organisms. Which claims apply to all viruses? A. I…
State the name of component K.
Which feature explains why a virus particle is not considered an independently living cell? A. It has no autonomous metabolism B. It contains no inherited information C. It cannot change through evolution D. Its genome can never be copied
Some human infections are caused by viruses whose ancestors infected other mammals. (i) State one structural feature of a virus. (ii) State the term for an infectious disease that can pass from another animal species to humans.
On the diagram, label the capsid.
Describe one characteristic used to argue that viruses are not living organisms.
Which component is present in the standard cellular-biology model of every virus? A. A mitochondrion B. A ribosomal cytoplasm C. A protein capsid D. A phospholipid envelope
Zapisujemy na Twoim urządzeniu to, bez czego serwis nie działa, np. zalogowanie. Plików analitycznych użyjemy tylko za Twoją zgodą. Szczegóły w polityce prywatności.