PLEASE HELP RIGHT AWAY 8 A DNA molecule is made up of long chains of nucleotides. A DNA nucleotide consists of a , a , and a nitrogenous base.

9 In DNA, the four bases are , , , and . These bases are called complementary bases as Adenine (A) bonds only with ( ) and Guanine (G) bonds only with ( ).

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

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate