Starting with a population of heterozygous 1F, peas, apply the multiplication rule to calculate the probability that a randomly chosen pea in the F3 generation is heterozygous if the F2 plants are self-pollenated.

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids

Why do you suppose the structural polysaccharide cellulose does not contain branches?