An arrangement of genes consisting of an operator, a promoter, and a repressor is an OPERON.
Answer:
C
Explanation:
I am taking the test right now and it seems to be the most valid answer
The correct answer is salivary glands.
Salivary glands are exocrine glands which means that they release their product onto epithelial structure by the duct. There are three major types of salivary glands in h<span>umans: parotid, submandibular, and sublingual as well as hundreds of minor salivary glands. Beside the function of digestion (secrete the enzyme amylase, which hydrolyses starch into maltose and dextrin<span>) those glands have a protective role </span></span>