How does mRNA code for the spike protein?

BRAINLIEST for correct answer.

Where does the esophagus lead to in a frog?

What characteristic does giardia have that makes it a protist, a characteristic that all other protists have? a. it is a unicellular eukaryote. b. it is a eukaryote that is not an animal, a plant, or a fungus. c. it is parasitic and has flagella. d. it spends part of its time in a body of water.

10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person