Multiple Choice
Therarseveral evidences that RNA may have
A) carried genetic information.
B) contained some enzymatic activity.
C) been the precursor of polysaccharides.
D) carried both genetic information and some enzymatic activity.
E) carried genetic information, some enzymatic activity, and been the precursor of polysaccharides.
Correct Answer:
Verified
Correct Answer:
Verified
Q39: Which of thfollowing statements is NOT correct
Q40: Wherdo merozoites develop into gametes?<br>A)in the gut
Q41: Photosynthetic organisms using thoxygen-releasing pathway appeareon earth
Q42: Worldwide, about _ million peoplarinfectewith HIV.<br>A)9<br>B)19<br>C)29<br>D)39<br>E)49
Q43: Microorganisms may possibly adapt to which of
Q45: Bacteria<br>A)have cell walls composed of cellulose.<br>B)reproduce primarily
Q46: Flagella allow bacteria to movarounby<br>A)adopting a wipe-like
Q47: Early photosynthetic organisms dinot produce<br>A)sugars.<br>B)oxygen.<br>C)lipids.<br>D)proteins.<br>E)nucleotides.
Q48: Water molds arclassifieas<br>A)protozoans.<br>B)fungi.<br>C)protists.<br>D)protozoans and protists.<br>E)protozoans, fungi, and
Q49: According to scientific evidences, many organic compounds