Plants use sunlight to produce sugar molecules in their leaves. Some of this sugar is needed by cells in the roots. Would you expect plants to rely on diffusion to transport the sugar molecules from leaves to roots, and why?

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.