Which of the following best describes the structural component in which information isstored on a DNA molecule?A the hydrogen bonds between base pairsB the linear sequence of nucleotidesnthe orientation of sugars in the backboneD the antiparallel orientation of the double-strand

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Description: Which of the following best describes the structural component in which information isstored on a DNA molecule?A the hydrogen bonds between base pairsB the linear sequence of nucleotidesnthe orientation of sugars in the backboneD the antiparallel or

Each DNA molecules is a double helix structure that is formed form two complimentary strands of…

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Biology

Which of the following best describes the structural component in which information is stored on a DNA molecule? A B с D the hydrogen bonds between base pairs the linear sequence of nucleotides the orientation of sugars in the backbone the antiparallel orientation of the double-strand

Which of the following best describes the structural component in which information is stored on a DNA molecule? A B с D the hydrogen bonds between base pairs the linear sequence of nucleotides the orientation of sugars in the backbone the antiparallel orientation of the double-strand

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter8: Dna Structure And Function

Section: Chapter Questions

Problem 9SA: Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from...

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One species DNA differs from others in its _______. a. nucleotides c. double helix b. DNA sequence d. sugar-phosphate backbone
Describe the structure and complementary base pairing of DNA.
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-T
Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from ________. a. the nucleotide b. DNA polymerase c. phosphate-group transfers from ATP
Which of the following statements about the DNA double helix is FALSE? O The base pairs are located in the center of the helix O The plane of the base pairs is perpendicular to the direction of the deoxyribose- phosphate backbone O The two strands have the same 5' to 3' direction (i.e, are parallel) O The base pairs stack on one another O The deoxyribose-phosphate backbone is on the outside of the helix
What property/characteristics can definitely be concluded from the given composition of a DNA? A = 15% C = 52% T= 24% G = 49% The DNA is double stranded The DNA is single stranded The DNA has supercoiled structures The DNA has a high Tm The DNA has a B conformation
Which of the following changes occur with a double-stranded DNA if it is heated to 95 C at neutral pH? OA Increase in the absorption of uitraviolet light at 260 nm OB. Unwinding of the helical DNA structure Oc Separation of the two DNA strands Do.Hydrolysis of the N-glycosidic bond belween the base and deoxyribose DE Breakage of the phosphodiester bonds belwean adjacent ucieotides Dr. Breakage of the hydrogen bonds between guanines and cytidines.
During the synthesis of a DNA molecule, nucleotides are added sequentially to the growing DNA molecule via bonds between the previously added nucleotide and the next nucleotide. The figure below illustrates a partial strand of a DNA molecule. W, X, Y, and Z denote differ- ent chemical bonds on the DNA strand. 5' end OH 0-P-0 A W B X с o Y 0 3' end The molecular structure of a DNA strand D Z OP 0 0X CH, -0- Which of the four labeled bonds was last to form during DNA synthesis? W CH, OH
Examine the 5'- 3 sequence of bases of the DNA molecules (A D) shown below. I am only showing you the 5 - 3' strand of each molecule, but you can imagine the complementary 3' - 5' strand for each molecule. Which double-stranded molecule is held together by 10 hydrogen bonds? O AAAT O ATAG O TGTC O GCGA
Which of the following is true about DNA ? * Two DNA strands are twisted around each other to form an anti-parallel double helix Adenine pairs with thymine though 2 hydrogen bonds (A=T) Guanine pairs with cytosine through 3 hydrogen bonds (GEC). O All of them
Franklin's X-ray crystallography work provided which of the following regarding the structure of DNA? (more than one answer may be correct so check all that apply) A It had a helical structure with more than one strand A complete helical turn is made after 20 bases O It replicates in a semi-conservative manner Purines are paired with pyrimidines
In a double-stranded DNA molecule, how are the sequences of each strand related to each other? The sequences are identical. The sequences are identical except that one strand nas a U where the other strand has a T. The sequences are the reverse compliment of eadh other and use the nucleotides, A, G. U, and C only. The sequences are the reverse complement of each other