surround each stoma and control its size. A. Spongy Layer
B. Guard Cells
C. Palisade Layer

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.

Explain the difference between incomplete dominance and codominance

The response is the basis for vaccination. primary secondary tertiary none of the above