Blood cells use a protein called to capture and carry oxygen

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.

What would happen if the krill were removed from the food web

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?