1. Why does a human body need proteins? A. To place amino acids in a specific order
B. To guard against harmful mutations
C. To send messages to the cell's cytoplasm
D. To perform important bodily functions
2. Which of the following is the main idea of paragraph 2?
A. Offspring have a combinatiot of traits from their parents.
B. Parents have different traits that are passed on to their offspring.
C. Genes control the traits particular humans possess.
D. Red hair is a trait that is inherited from one's parents.