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The nucleic acid of a virus particle is enclosed in a protein coat. What is it
called? - 🧠 ANSWER ✔✔capsid
What do we call a virus that attacks a bacterium? - 🧠 ANSWER ✔✔phage
Why are viruses called obligate intracellular parasites? - 🧠 ANSWER
✔✔They must use a host cell's metabolic enzymes and pathways to obtain
energy.
They must use a host cell's nucleotides for transcription and replication.
, They must use a host cell's amino acids to synthesize proteins.
They must use a host cell's ribosomes to synthesize proteins.
A virus needs a - 🧠 ANSWER ✔✔host cell
Why are retroviruses considered a special class of viruses? - 🧠 ANSWER
✔✔They transcribe RNA to DNA using reverse transcriptase
What happens first when a phage infects a bacterial cell and is going to
enter a lysogenic cycle? - 🧠 ANSWER ✔✔linear DNA circularizes
HIV uses which of the following processes to synthesize a DNA strand
using its RNA genome as a template? - 🧠 ANSWER ✔✔reverse
transcription
What is the most effective way to stop viral infections? - 🧠 ANSWER
✔✔vaccines
The H1N1 2009 outbreak is considered to have been which of the
following? - 🧠 ANSWER ✔✔a pandemic
Which of the following statements describes the lysogenic cycle of lambda
phage? - 🧠 ANSWER ✔✔the phage genome replicates along with the host
genome