If Tyler does not eat a diet that includes essential amino acids, his cells will not be able to build nucleic acids.
certain proteins.
cell membranes.
certain carbohydrates.

Diagram of the evolution of land plants?

Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate

Omar paddles a canoe downstream at a rate of 5 mi/hr. the stream is flowing at a rate of 12 mi/hr. what is the actual velocity of the canoe? a: 5 mi/hr, downstream b: 7 mi/hr, downstream c: 12 mi/hr, downstream d: 17 mi/hr, downstream