Why is the percentage similarity in the gene always lower than the percentage similarity in the protein for each of the species? (hint: recall how a gene is expressed to produce a

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Select the correct answer from each drop-down menu proteins are