How is salmonella bacteria spread?
a. air
b. blood
c. food and water
d. saliva and mucus

Salmonella can spread to people in foods that have come into contact with infected animal feces. these exposures happen when food such as poultry, eggs, and beef are not cooked enough. Fruit and vegetables can also become contaminated from feces in the soil or water where they are grown.

Single strand binding protein by peptide bond

C) to ensure each new cell has an exact copy of the dna