Mutations can be the cause of some
A. altered proteins
B. genetic disorders
C. Both a and b are correct.

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.

Which codon is the code for the amino acid histidine (his)?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.