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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
59% (01:37) correct
41%
(01:49)
wrong
based on 511
sessions
History
Date
Time
Result
Not Attempted Yet
Originally found in parasites belonging to the order of kinetoplastids, DNA base "J", an unusual minor base known as the only hyper-modified DNA base in eukaryotes and that resembles thymine, has been proven to control antigenic variation; exist in the DNA of euglenids, evidence for a close relation between kinetoplastids and euglenids; and cause certain severe diseases.
(A) known as the only hyper-modified DNA base in eukaryotes and that resembles
(B) known as the only hyper-modified DNA base in eukaryotes and that, resembling
(C) known as the only hyper-modified DNA base in eukaryotes and resembling
(D) that is known as the only hyper-modified DNA base in eukaryotes and it resembles
(E) that is known as the only hyper-modified DNA base in eukaryotes and that, resembling
(A) known as the only hyper-modified DNA base in eukaryotes and that resembles
(B) known as the only hyper-modified DNA base in eukaryotes and that, resembling
(C) known as the only hyper-modified DNA base in eukaryotes and resembling
(D) that is known as the only hyper-modified DNA base in eukaryotes and it resembles
(E) that is known as the only hyper-modified DNA base in eukaryotes and that, resembling
06 Jul 2011, 06:13
Kudos
Bookmarks
C is the answer as it describes the DNA J.. it is a kind of an additional information given for the DNA ..
06 Jul 2011, 09:26
Kudos
Bookmarks
eladshus
Strip out all the frills and look for the main clause: subject and verb(s):
"DNA base 'J'... has been proven to control...; exist...; and cause..."
The main clauses in A look okay this way, but the problem with A is that the modifying clauses are not in good form. Stylistically if we are going to use "that resembles" for the second part we should have said "that is known" at the beginning of the interloped modifier. B repeats this error and adds another one: it snatches up that verb phrase I sorted out above and converts it all to a relative clause, so that there is no main verb in the sentence:
"DNA base 'J'... that has been proven to control...; exist...; and cause..."
E does the same thing that B does with the relative clause.
We are down to C and D. In D, the "and" is unwarranted before the main verb as there is no dichotomy, no previous verb or parallel clause. The relative clause with "that" is on a different level from the rest of the sentence.
So yes, C is correct.
