Which of the following statements is false?
A: Viruses contain DNA or RN
B: The nucleic acid of a virus is surrounded by a protein coat.
C: Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.
D: Viruses cause the synthesis of specialized infectious elements.
A: Viruses contain DNA or RN
B: The nucleic acid of a virus is surrounded by a protein coat.
C: Viruses multiply inside living cells using viral mRNA, tRNA, and ribosomes.
D: Viruses cause the synthesis of specialized infectious elements.
举一反三
- Latency is an outcome particularly characteristic of which one of the following virus groups? A: Polioviruses B: Herpes viruses C: Rhinoviruses D: Influenza viruses
- Many large structures, such as viruses and ribosomes, are built from a mixture of one or more types of protein plus RNA or DNA molecules.
- It can be inferred from the passage that all of the following are with of producing new strains of influenza viruses except ______ . A: two influenza viruses in the same animal recombining B: animal viruses recombining with human viruses C: two animal viruses recombining in one animal D: two animal viruses recombining in a human
- In recent years viruses have been shown to cause cancer in chickens. Viruses have also been shown to cause cancer in mice, cats, and even in some primates. Viruses might cause cancer in humans.This is a reasonable hypothesis.
- Coronaviruses are a large family of viruses that cause disease in humans and birds.