Which amino acid would, when incorporated into a polypeptide chain (not at the n or c terminus), make the charge of the polypeptide more positive?
a.) arginine
b.) alanine
c.) serine
d.) aspartate
e.) cysteine

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

What is the one part of the nucleotide  that differs among the other different nucle  tides?

Explain why scientists use the word dominant for certain traits.