What is an example of an unusual base pair interaction that is found in RNA but not DNA? 1. G-U 2. G-C 3. A-T 4. G-A
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What is an example of an unusual base pair interaction that is found in RNA but not DNA?
1. G-U
2. G-C
3. A-T
4. G-A
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- What are the base-pairing rules for DNA? a. A-G, T-C c. A-T, G-C b. A-C, T-G d. A-A, G-G, C-C, T-TWhat is the sequence of bases in the strand of DNA that is complementary to the one shown below?5'-T-T-C-A-C-T-G-A-C-3' Select one: A. 3'-T-T-C-A-C-T-G-A-C-5' B. 5'-A-A-G-T-G-A-C-T-G-3' C. 5'-G-T-C-A-G-T-G-A-A-3' D. 3'-U-U-C-A-C-U-G-A-C-5' E. 5'-T-T-C-A-C-T-G-A-C-3'According to Chargaff's rule, if the DNA of a species contains 20% adenine, what percent of guanine will it contain? O 20% O 30% O 606 O none of the above
- In the DNA structure, a purine molecule always binds with a pyrimidine molecule. How would you expect the structure to differ if Adenine forms base pairing with Guanine and Cytosine forms base pairing with Thymidine? Instead of A-T, G-C; can it be A-G, C-T? Justify your answer within five sentencesIn an analysis of the number of different bases in a DNA sample, which result would be consistent with the base-pairing rules? * A+T>G+C O AC+TList the DNA bases that will complementary base pair with the following sequence: A-G-C-T-A-C-G
- If a double stranded DNA molecule is 20% thymine, what are the percentages of all other bases? 1. Adenine 2. Guanine 3. CytosineFill in the missing bases below to show the correct complementary base pairing. 5'- 3' G C T A T C G A 3' G inBelow are DNA strands. Make the complementary DNA strand: Original Strand: 5’ A T G C A A A T T G C T C A C C G G G G A T C A G C A C 3’ Complementary Strand: Original Strand: 3’ A G G G G A T C A G C A C C G G A T T T C A T G A G C C 5’ Complementary Strand:
- It has been estimated that each phosphate group in B-DNA can form hydrogen bonds with six water molecules. Draw a diagram of a phosphodiester linkage with its associated water moleculesWhy are nucleobases in nucleic acids called "bases"? 1. Because they resemble baseball bases 2. They are fundamental to "hodling up" the DNA structure (like the base of a building holds up the rest of the building) 3. They are the "command center" of the cell. Like the "base" of operations for armed forces in a war. 4. They are hydrogen ion acceptors, like other chemical basesWhat form of DNA corresponds to the Watson-Crick double helix structure? A form Z form B form W form
