The best and most correct answer among the choices provided by the question is the second choice or letter B "<span>OIs are more frequent in the earlier stages of HIV. "</span><span>
</span> Infections<span> that take advantage of weakness in the immune defenses are called “</span>opportunistic.” The phrase “opportunistic infection” is often shortened to “OI<span>.”</span>
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<span>1) It has a wavelength which is </span>smaller than violet radiation.
2) What is one factor involved in this erosion? <span>changing tides </span>
Answer:
A
Explanation:
A because the introns are edited then linked together by nucleotides
