An element's atomic number is the

a. mass of the atom.
b. weight of the atom.
c. sum of the protons and neutrons in an atom.
d. number of protons in an atom's nucleus.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

What sre the effects of hemolytic disease of a newborn