Which is the definition of an amino acid? a fatty acid that has no double bonds between carbon atoms
a protein building block
a type of carbohydrate that is difficult for humans to digest
a simple sugar that is the body's basic fuel

The body is protected against harmful flu viruses by

Which group is noted for the independence of gametophyte and sporophyte generations from each other? a) ferns b) mosses, hornworts, and liverworts c) charophytes d) angiosperms e) gymnosperms

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent