The rate of respiration(how fast you breathe) is determined by which amount of a gas in blood? A)oxygen
B)nitrogen
C)carbon dioxide
D)none of the above

If vegetable oil is made out of veggies, then what is baby oil made out of?

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic. b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy. c. all bacterial enzymes are harmful to humans and the environment. d. microbes create pollutants and toxins that harm the environment.

Complete the statements to identify the first two steps of meiosis i. (1 ) the first and longest step of meiosis i is called i. (2)the second step of meiosis i is called i.