The Size of Proteins What is the approximate molecu-lar weight of a protein with 682 amino acid residues in a single polypeptide chain?

Is laundry detergent an acid or a base?

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity