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Which virus causes cold sores?

Codons are groups of ___________ mRNA nucleotides that code for a particular amino acid

  The above Figure shows the life-cycle of HIV-1. Match the following question with a number: 1, 2, 3, 4, 5, 6, or 7? Uncoating releases the two viral RNA strands and the viral enzymes reverse transcriptase, integrase, and protease:

DNA viruses replicate/multiply mostly in the cytoplasm of the host cell using RNA-dependent RNA polymerase

One of the first commercial successes of recombinant DNA technology was the production of human insulin using genetically engineered coli.

Viroids are ___________________

DNA viruses replicate/multiply mostly in the cytoplasm of the host cell using RNA-dependent RNA polymerase

  The above Figure shows the life-cycle of HIV-1. Match the following question with a number: 1, 2, 3, 4, 5, 6, or 7? Reverse transcriptase copies viral RNA to produce double-stranded DNA:

Prions _________________

You have a small gene that you wish replicated by PCR. After 4 replication cycles, how many double-stranded DNA molecules do you have?