A sample of milk is tested for its bacterial content in a plate count assay. This sample is diluted in a 1:10 dilution series the tube of a dilution factor (101) is plated in a pour plate. After incubation, the plate has 47 colonies. Calculate the concentration of bacterial cells in the original milk sample. U A

What is the term for the two sets of chromatids formed in the parent cell a. haploid b. diploid c. gamete d. tetrad

What is the most abundant vertebrate on earth?

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.