Answer Choices
of purines would be larger than the space between a sugar and a phosphate group.
of purines would be larger than a pair consisting of a purine and a pyrimidine.
of pyrimidines would be larger than a pair of purines.
consisting of a purine and a pyrimidine would be larger than a pair of pyrimidines.
Explanation for Question 26 From the Reading Section on the Official Sat Practice Test 1
Okay. So 26 says based on the passage, 2 the author statement, if a pair consisted of two pure rains, 3 for example, there would not be room for it. 4 Implies that a pair. What, so what does this statement imply 5 about this pair? Um, we have to go back to this, 6 this, uh, this statement, if we're going to actually get the answer. 7 Right, right. So, 8 um, okay. 9 Let's go. Just, let's just go back to that statement. 10 I think it's over here. Yeah. 11 Okay. Well it's a little bit before it, so let's just read the whole 12 paragraph, the whole third paragraph. The other, 13 the important feature is the mineral, which the two chains are held together. 14 This is done by hydrogen bonds between the basis. 15 The basis are joined together in pairs, 16 a single base from one chain being hydrogen bond into a single base from 17 the other, the important point. 18 And this is what we're going to answer here is that only certain pairs 19 of bases will fit into the structure. Only certain pairs of basis will be 20 small enough to fit into the structure. Right? 21 One member of a pair must be a period. 22 And the other, a pure Modine in order to bridge between the two chains, 23 if a pair consists of two hearings, 24 there would not be room for them. Meaning if you had two periods, 25 instead of a pure mid-unit appearing, it's going to be too big. 26 It won't fit. So two periods would be too big. 27 So what our B is exactly what that's saying. 28 It's saying that a pair of two periods ...