Proteins are biomolecules that make up the cells and bodies of all living things. Cells
make proteins based on the instructions encoded in genes. Use the questions below
to review the structure and function of proteins.
Check Your Understanding- Question 1 of 2
Attempt 1 of 2
Which of these functions in the human body are carried out by proteins? Select all
that apply.
A. Speeding up chemical reactions that allow cells to maintain homeostasis
B. Moving materials into and out of your cells
C. Transporting oxygen around the body
D. Giving your hair and nails their structure
E. Acting as signals that allow parts of the body to communicate