Which of the following correctly describes the structure of DNA? strands of phosphate-nitrogen backbone, which complementary nitrogenous base pairs bound in a double helix strands of sugar-nitrogen backbone, with complementary deoxyribose base pairs bound in a double helix strands of phosphate-sugar backbone, with complementary nitrogenous base pairs bound in a double helix strands of phosphate-sugar backbone, with complementary nitrogenous base pairs bound in a single helix

Which of the following correctly describes the structure of DNA? strands of phosphate-nitrogen backbone, which complementary nitrogenous base pairs bound in a double helix strands of sugar-nitrogen backbone, with complementary deoxyribose base pairs bound in a double helix strands of phosphate-sugar backbone, with complementary nitrogenous base pairs bound in a double helix strands of phosphate-sugar backbone, with complementary nitrogenous base pairs bound in a single helix

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 14QP: State the properties of the WatsonCrick model of DNA in the following categories: a. number of...

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State the properties of the WatsonCrick model of DNA in the following categories: a. number of polynucleotide chains b. polarity (running in same direction or opposite directions) c. bases on interior or exterior of molecule d. sugar/phosphate on interior or exterior of molecule e. which bases pair with which f. right- or left-handed helix
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
Select the phrases that accurately describe properties of the most common form of the DNA double helix. DNA contains equal amounts of adenine and thymine and equal amounts of cytosine and guanine. The nitrogenous bases are exposed to the solvent, whereas the sugar-phosphate backbone of each nucleotide strand is in the interior of the double helix. The phosphodiester bonds between nucleotide residues run in opposite directions in the two strands. Base pairs have a spacing of 3.4 Å. A helical turn consists of about 3.4 base pairs.
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 are the complementary base pairs in DNA-RNA interactions? Answer format: Base 1(one letter symbol)-Base 2 (one letter symbol, or B-B*(hypothetical N-base) In the lengthening of a polynucleotide chain, which type of nucleotide subunit (name please not the formula) would bond to its 3’ end? How many 3’,5’-phosphodiester linkages are present in a tetranucleotide segment of a nucleic acid?
Which of the following does NOT describe DNA as it occurs in Eukaryotic cells. CHOOSE ALL THAT APPLY: 1. nitrogenous bases of opposite strands are paired through covalent bonds 2. base pairs are stacked 3.4 A (0.34 nm) apart 3. the two strands of one double helix are complementary 4. two long polynucleotide chains 5. there are 20 base pairs per each turn of a double helix 6. adenine pairs with thymine of the neighboring nucleotide in a single DNA strand 7. bases face outside of the double helix 8. consecutive nucleotides of a single DNA strand are linked by hydrogen bonds 9. here are A-T and G-C pairs in DNA double helix 10. sugar-phosphate backbone of a single DNA strand is formed by linking deoxyribose units and phosphate groups through phosphodiester bonds 11. the two strands of one helix are antiparallel 12.double helix 13. the larger major groove alternates with the smaller minor groove along the length of the double stranded DNA I tried 2,3,4,9,10,11,12,13 together and got it…
If a 100 base-pair double-stranded DNA fragment has 40 cytosines, how many adenines does it contain?
The hydrophobic effect explains why: O Water regulates pH in the interstitial fluid between eukaryotic cells. O Salt bridges form between oppositely charged histones and DNA in an aqueous environment. Nitrogenous bases are in the interior of the helix, when DNA is in an aqueous environment. Oil forms a homogenous mixture with polar solvents, like acetone.
Describe the d=features of the following DNA-binding domains and how they interact with DNA. Helix-turn-Helix Zinc Finger Leucine Zipper Helix-loop-Helix
The DNA STRAND IS 3’ TAC-AGC-ACT-CAG-TCA 5’ and Non-template strand = 5' - ATG-TCG-TGA-GTC-AGT - 3' . If on the non-coding strand of DNA there is suddenly one T base that sneaks into the 4th sequence (from the left), or causes a mutation, then how will the RNA be formed and the chain arrangement of the amino acids produced by this mutation? 4th sequence (from the left) should be = TCG right?
The DNA STRAND IS 3’ TAC-AGC-ACT-CAG-TCA 5’, and Non-template strand = 5' - ATGTCGTGAGTCAGT - 3' . If on the non-coding strand of DNA there is suddenly one T base that sneaks into the 4th sequence (from the left), or causes a mutation, then how will the RNA be formed and the chain arrangement of the amino acids produced by this mutation?
As a result of the rotation about its six bonds, DNA can exist in a variety of forms. Determine whether the image and properties describe the A form of DNA, the B form of DNA, the Z form of DNA, or all three. A form G pairs with C, and A pairs with T. antiparallel strands A HOCH₂ OH most stable under physiological conditions B form Answer Bank has a 23.7 Å helix diameter widest helix diameter Z form left-handed narrowest helix diameter the favored form of dehydrated DNA All The C2' of deoxyribose is out of the plane of the other ring atoms in the direction of 05'.