In a DNA molecule with a molar mass of about 69000, the mass of adenine mononucleoid (A) in this DNA is 8625. The molar mass of a nucleoid is 345. How many mononucleotides T, G and C does this DNA contain?

Apea plant that is heterozygous for the tall phenotype can produce short offspring when self pollinating. which of the following explains why this occurs? a. segregation of allels b. condominance of traits c. polygenic expression of traits d. independent assortment of alleles

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

How is mitosis different in plants and animals? a. in animals, the cell membrane pinches together. b. in plants,the dna is one circular chromosomes. c. in plants, there are no sister chromatids. d. in animals, a new cell wall forms.