Answer true or false to the following statements based on the graphic: a. Enzymes interact with many different substrates.
b. Enzymes change shape after a reaction occurs.
c. An enzyme can be reused with a new substrate.
d. The substrate is changed in the reaction.
e. If the shape of the enzyme changed, it would no longer work.
f. When all substrates are used, the reaction stops.

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 occurs to the cell during mitosis

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass