Which organ is both an endocrine and exocrine gland?
- pancreas
-pituitary
-thyroid
-pineal

Which of the following requires the action of a first class lever in the body

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus

Which food can a vegan eat? a. lasagna with cheese b. vegetable risotto c. poached eggs on toast d. chocolate milkshake e. stir-fried chicken