Which type of molecule that can be found in living things lacks carbon atoms

Why do german shepherds shed so much

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?