<span>I believe you are looking for the term, Dichotomous Keying.</span>
That is where the fibers of the optic nerve exit the eye extending into the brain. there are no rods and cones there as a result.
That is called uric acid and it helps them maintain internal homeostasis in hot climates by retaining water
Answer:
12
Explanation:
Suppose the four different strains are P, Q, R, S. Thus, the first infection can be from any of the four strains and it occurs in 4 ways.
Since an individual cannot be infected again with the strain from which he/she is been previously infected;
Then, at the second time;
The possible number of strain to be infected with = 4-1 = 3 ways
Thus; the number of possible different levels of severity can be viewed by forming two lettered word P, Q, R, and S without repetition which is:
= 4 × 3
= 12
Yes. RNA is single stranded
