Which of the following best describes density? a. how tightly packed particles are determines the density. b. density is found in energy. c. density depends on gravity and matter.

Competition occurs between species when

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium