Sickle–cell anemia is caused when a mutation results in the replacement of glutamate with valine. Which type of mutation is observed here?A. chromosomal mutation
B.
frameshift mutation
C.
substitution mutation

Why should the united state be concerned about air pollution in china?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing: