Which is NOT a difference between RNA and DNA?  Select one: A. RNA contains uracil; DNA usually does not. B. RNA is usually single-stranded; DNA is double-stranded. C. The sugar ring of RNA is more oxidized than that in DNA. D. RNA cannot form helices.

The following are the four bases found in DNA. Which base pair can form three hydrogen bonds? * NH2 NH2 CH3. N. NH 'N. NH N, NH2 O. adenine (A) guanine (G) cytosine (C) thymine (T) A-C O A-T G-C O G-T

1. Give the different hydrolytic products of : a DNA b. RNA 2. Enumerate the biological functions of DNA and RNA.

Dr. Herman Branson.... was a physicist and chemist that discovered the double-helix structure in DNA O was a physicist and chemist that discovered the loop structure in proteins O was a physicist and chemist that discovered the beta-strand structure in proteins was a physicist and chemist that discovered the alpha-helix structure in proteins OO

19. Polynucleotides beginà end are: a) 5’ à 3’ b) 2’ à 5’ d) NH2 à CO2H

32. What is the difference between RNA and DNA? Group of answer choices DNA has uracil. Both share information. RNA has thymine. RNA does not store genetic information. Both have nucleotides.

11. Which of the following is not a component of RNA? a. nitrogen-containing base b. deoxyribose sugar c. phosphate group d. all of the above e. none of above

5. Draw a DNA polymer with three nucleotides by including the following nitrogenous bases [in the following positions]: adenine [5' end], guanine [middle], and cytosine [3' end]. Draw only one strand. a. Indicate if each of the nitrogenous bases is a purine or pyrimidine. b. Number the carbons on the middle sugar. c. Label the phosphodiester bonds between the nucleotide in the middle and 3' end. d. Write the structure of the complementary sequence by indicating proper orientation.