An anther contains 80 spore mother cells , what is the number of male nucleii in each of the 4 sacs which contain the pollen grains 80
40
60
160

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

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.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.