Victory for the ACT Student Text 15e

L ESSON 4 | F URTHER U SE OF R EADING S TRATEGIES , P ART 2 • 131

Which of the following was Watson and Crick’s contribution to the study of genetics? I. Information about the transfer of genes across membranes II. The notion that pairs of genes could work together III. A suggestion about the structure of DNA A. I only B. II only C. III only D. I, II, and III The concept of complementarity in DNA is apparently important because: F. it contradicts the notion that proteins are the basis for genetic transformation. G. hydrogen bonds connect the nucleotides. H. if maternally and paternally derived alleles were not complementary, life could not exist. J. if you know one chain’s sequence, you can determine that of the other.

The author uses the word non (line 49) to mean: A. harmless. B. toxic. C. bacterial. D. sweet. In contrast to the paragraphs before, the ϐ‹ˆ–Š ’ƒ”ƒ‰”ƒ’Š ‹• ‹–‡†‡† ’”‹ƒ”‹Ž› –‘ǣ F. give historical genetic research information. G. describe the results of Mendel’s experiments. H. speculate on the future of genetic research. Ǥ ’”‘˜‹†‡ ƒ †‡ϐ‹‹–‹‘ ˆ‘” ƒ ‡••‡–‹ƒŽ element in genetic research. A chain of DNA with the pattern CAG would bond with a chain with the pattern: A. GAC. B. TGA. C. GTC. D. Cannot be determined from the given information Š‹…Š ‘ˆ –Š‡ ˆ‘ŽŽ‘™‹‰ ‹• ȋƒ”‡Ȍ…Žƒ••‹ϐ‹‡† as (a) purine(s)? I. Cytosine II. Guanine III. Thymine F. I only G. II only H. III only J. I and II only - virulent

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Passage Perfect Notice that item #32 does not ask for your opinion on why the concept of complementarity in DNA is important. The word “apparently” in the question indicates that the passage advances a view on this issue, and it is your job to discover what –Š‡ Œ—•–‹ϐ‹…ƒ–‹‘ for this view is. Underline relevant support in the text for your answer to this question.

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