See photo attached
Hope this sort of helps ʕ•ᴥ•ʔ
Answer:
The insertion of an extra nucleotide into a DNA strand
Answer:
A
Explanation:
You must know the basics of Trigonometry to solve this.
First, you must know that

lies in the second quadrant, so sin is negative.
Next, since
pi/4, is the reference angle of 3 pi/4, this means that we can set up a right triangle with pi/4 as an angle, we get


So the answer is A
The correct answer is 13 hours
Divide 143 by 11 and you’ll get 13.