Which of the following combinations is nucleotide molecule? The nitrogenous base uracil bonded to ribose and phosphate complemented with the addition of a water molecule A nucleoside resulting from the dehydration reaction between two phosphates, glycerol, and an unsaturated fatty acid. The DNA backbone consisting of three phosphate groups, a 5-carbon nitrogenous base, and a nitrogen-containing sugar residue An ATP molecule is formed by combining adenine, ribose, and three inorganic phosphate groups

Which of the following combinations is nucleotide molecule? The nitrogenous base uracil bonded to ribose and phosphate complemented with the addition of a water molecule A nucleoside resulting from the dehydration reaction between two phosphates, glycerol, and an unsaturated fatty acid. The DNA backbone consisting of three phosphate groups, a 5-carbon nitrogenous base, and a nitrogen-containing sugar residue An ATP molecule is formed by combining adenine, ribose, and three inorganic phosphate groups

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 15QP: Using Figures 8.7 and 8.9 as a guide, draw a dinucleotide composed of C and A. Next to this, draw...

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Which of the following does cytosine pair with? a. guanine b. thymine c. adenine d. a pyrimidine
Using Figures 8.7 and 8.9 as a guide, draw a dinucleotide composed of C and A. Next to this, draw the complementary dinucleotide in an antiparallel fashion. Connect the dinucleotides with the appropriate hydrogen bonds. FIGURE 8.9 The two polynucleotide chains in DNA run in opposite directions. The left strand runs 5 to 3, and the right strand runs 3 to 5. The base sequences in each strand are complementary. An A in one strand pairs with a T in the other strand, and a C in one strand is paired with a G in the opposite strand. FIGURE 8.7 Nucleotides can be joined together to form chains caled polynucleotides. Polynucleotides are polar molecules with a 5 end (at the phosphate group) and a 3 end (at the sugar group). An RNA polynucleotide is shown at the left, and a DNA polynucleotide is shown at the right.
The linkage between individual nucleotides in DNA is known as a phosphodiester bond because— two esters are connected by a single covalent bond whose formation is catalyzed by a phosphate. a double bond is formed in the process of esterification of a phosphate group. a nucleoside diphosphate is involved and each phosphate forms one ester. a single phosphate is esterified to two deoxyribose units. two bonds are phosphorylated into one single bond
Which of the following statements about nucleic acids is not correct? Select one: A. In DNA the distance between the strands of the double helix is relatively constant. B. The growing DNA polymer is synthesized in the 5' to 3' direction. C. The enzymes that catalyze DNA synthesis are known as DNA polymerases. D. RNA strands are synthesized in the 3' to 5' direction. E. Unlike DNA, RNA is easily cleaved because the 2'-OH group of the ribose is a nucleophile that catalyzes hydrolysis of the strand.
The base content of a particular DNA molecule is 36% thymine. What is the percentage of each of the following bases in the molecule? a. Adenine b. Guanine c. Cytosine
Which of the following is the correct way that heterocyclic bases are paired between two polypeptide chains of DNA? a. Pyrimidines-Pyrimidines b. Purine-Pyrimidine c. Purines-Purine d. Sugar-Phosphate
Which of the following is correct regarding nucleotide structure? Removal of the ribose-phosphate groups from thymidylic acid or thymidylate yields thymidine Removal of the ribose-phosphate groups from cytidine yields cytosine Removal of the phosphate group from guanylic acid or guanylate yields guanine. Removal of the phosphate group from adenylate or adenylic acid yields adenosine
draw a picture of a SINGLE strand of DNA (a polynucleotide) composed of 9 (nine) nucleotides of your choice. Do use ALL 4 nucleotides. Use 3 simple symbols to represent the phosphate, the sugar, and the base in each nucleotide. For example, use a circle with the letter “P” for the phosphate in the backbone, a square with the letter “S” for the sugar in the backbone, and a triangle with the letter “A, T, C or G” for the bases.As you draw the diagram be sure to put solid lines for the covalent bonds you are creating to join new nucleotides to the elongating DNA chain.
Which of the following amino acids is unique in that it can bind both non-specifically to the DNA backbone as well as to specific DNA bases? a) Lysine b) Asparagine c) Arginine d) Phenylalanine e) Leucine
Draw out the following DNA sequence on a white sheet of paper along with itscomplementary strand. Challenge yourself by not using any notes to begin with. Use hexagon and hexagon/pentagon shapes within the nitrogenous bases to depict purines and pyrimidines. Use circles and pentagons to show phosphates and sugars in the backbones. Label the ends (5’ and 3’) and make sure to associate those ends with the correct functional group. Include the proper number of hydrogen bonds between base pairs. 3’ CCAGGTACT 5’
Draw the DNA and RNA models in Figure 1 in the space provided. Use the legend below to represent the colored plastic chips with letters. Use lines to connect the letter representations of the plastic chips according to how they are attached to each other in Figure 1. These lines represent thechemical bonds between the different nucleic acid subunits. In the case of hydrogen bonds, specify the number of bonds such that one horizontal line corresponds to one hydrogen bond. Label the 5’ and 3’ ends of your polynucleotide strands. Br brown O orange B blue P pinkW white G green Y yellow R red Structure of Genetic Material DNA RNA
If a DNA-binding protein “reads” a short stretch of DNA and detects the following “second” genetic code provided by the functional groups located on each base as H-HD-CH3-HA-HA-HA-HA-HD, then what is the corresponding sequence of bases? (H = hydrogen, HD = hydrogen donor, HA = hydrogen acceptor, CH3 = methyl)