Answer:
a.)<u>fault</u>:A fault is a planar crack or discontinuity in a volume of rock over which rock-mass motions have caused considerable displacement.
b.)<u>focus</u>:The focus is on the location where an earthquake begins deep under the Earth's crust.
c.)<u>epicenter</u>:The epicenter of an earthquake is the point on the earth's surface that is vertically above the epicenter.
d.)<u>seismic waves</u>:Seismic waves are elastic waves that occur in the ground as a result of an earthquake or other natural occurrence.
Explanation:
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Frequently changing their surface proteins
A single change or alteration in the nucleotide base of the genetic material of the cell is called a point mutation. It can be a deletion, addition or inversion of a single nucleotide base.
In the following, the mutations that occurred are 1. C and 2. B.
<h3>How the mutation can be explained?</h3>
- <u>Silent mutation</u> occurs in a single base of the triplet codons of the bases but the alterations do not cause an observable effect and they remain as a neutral alteration. They do not affect the function of the protein. Thus, the glycine to glycine is a silent mutation.
- <u>Non-sense mutations</u> are caused when the single change in the nucleotide base results in the formation of the stop codon. Thus, lysine to stop codon is a nonsense mutation.
Therefore, silent and nonsense mutations are the correct options.
Learn more about point mutation here:
brainly.com/question/10473763