Multiple Choice
Two researchers suggestein th1960s that __________ may havbeen thfirst informational molecule.
A) DNA
B) a protein
C) RNA
D) a saccharide
E) a peptide
Correct Answer:
Verified
Correct Answer:
Verified
Q20: Thlysogenic pathway is characterizeby<br>A)extensive transcription of viral
Q21: Which of thfollowing scientists demonstratefor thfirst timthat
Q22: HIV contains _ as its genetic material.<br>A)guanine<br>B)DNA<br>C)adenine<br>D)RNA<br>E)cytosine
Q23: HIV may affect<br>A)the human reproductive system.<br>B)the human
Q24: Four of thfivanswers listebelow armembers of thsamgroup.Select
Q26: Wherdo sporozoites develop into merozoites?<br>A)in the gut
Q27: Stromatolites appeareabout _ years ago.<br>A)6,000<br>B)1,000,000<br>C)250,000,000,000<br>D)3,500,000,000<br>E)50,000,000,000
Q28: Thprimitivtemplatthat was thought to busefor forming chains
Q29: Which of thfollowing protists may causdysentery after
Q30: Four of thfivanswers listebelow arrelateby a common