As a result of the rotation about its six bonds, DNA can exist in a variety of forms. Determine whether the image and propertiesdescribe the A form of DNA, the B form of DNA, the Z form of DNA, or all three.A formG pairs with C, and A pairs with T.antiparallel strandsAHOCH₂OHmost stable under physiological conditionsB formAnswer Bankhas a 23.7 Å helix diameterwidest helix diameterZ formleft-handednarrowest helix diameterthe favored form of dehydrated DNAAllThe C2' of deoxyribose is out of the plane of the other ring atoms in the direction of 05'.

The Watson and Crick double helical DNA explains the B form of DNA. The other forms of DNA are A, C,…

Answered: As a result of the rotation about its…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A. DNA Replication Construct a DNA with 15 base pairs. (Note that the first three nucleofides of the parent DNA (3' to 5') strand correspond to a start codon and its last three nucleotides correspond to a stop codon in its MRNA counterpart later on.) Write it down as follows: a. the sequence of parent DNA (template) 3' A C A TT 5' 3' Upon undergoing DNA replication, show what one daughter DNA molecule will look like. Write it down as follows: b. the sequence of DNA Daughter 1: 3' 5' 5' 3' C. the sequence of DNA Daughter 2: 3' 3' 5' in in
Consider normal B-form DNA. It forms a regular antiparallel double-helical structure with Watson-Crick base-pairing mediated through hydrogen bonding. The base pairs all stack upon one another, with 3.4 Å spacing between them. DNA strands having a complementary sequence will spontaneously form a double-helix in an aqueous solution. In terms of energy, what primarily drives helix formation? O Positive Entropy from base stacking van der Waals interactions O Hoogsteen interactions Positive Enthalpy from Hydrogen Bonding between GC and AT pairs Negative Enthalpy from Hydrogen Bonding between GC and AT pairs O Negative Entropy from base stacking
What determines the sequence of nucleotides in the template strand of DNA? (The answer can be very basic don’t need lots of details)
Below is the 5’–3’ strand of a double-stranded DNA molecule with the following nucleotidesequences (all belong to an exon):5’ C C T A T G C A G T G G C C A T A T T C C A A A G C A T A G C 3’ 1. If the above DNA strand is the template (antisense) strand and the DNA molecule is transcribed that produced a functional mRNA. Assuming there are no mutations, the said mRNA is then brought to the site of protein synthesis,a. what would be the amino acid sequence of the synthesized polypeptide chain?b. how many possible kinds of tRNA molecule that will bring the 2nd amino acid observing wobble hypothesis? List down their anticodons.
Indicate if the following statements are true for DNA, RNA, both, or none. Your answers should be one of the following 4 words: DNA, RNA, the word both if the statement applies to both DNA and RNA, or the word none if the statement does not apply to either DNA or RNA. Are nucleic acids The nucleotides are attached using alternating sugars and phosphates Is double stranded Uses the nucleotide uracil Can be found in both the nucleus and the cytoplasm Uses the nucleotide thymine Uses the sugar ribose Uses the sugar deoxyribose
a) Identify and explain at least five things wrong with image.
One strand of DNA has the base sequence 5'-CATG-3' Draw this stretch of DNA, showing BOTH strands, using a simplified model of a nucleotide as shown: Label the sugar-phosphate backbone, the 5' and 3' ends of each strand, and the regions of hydrogen bonding.
The DNA helix is stabilized by I. hydrogen bonds between primary amine groups and keto groups II. stacking interactions III. favorable interaction between hydrophobic groups and hydrophilic groups IV. covalent bonds in the phosphodiester bonds III, IV II, IV I, II, IV I, II, III, IV
Which statements reflect the Watson-Crick model of DNA? Select all that apply. The strands of DNA run in the same direction. Two helical DNA strands are coiled around a common axis, forming a right-handed double helix. The sugar-phosphate backbone lies outside of the helix. The diameter of the helix is 30 Å. The purine and pyrimidine bases lie outside of the helix.
Using the DNA figure below to identify structures of the following letters: A= B= C= D= E= F: Circle a nucleotide for each backbone strand A B A G G A E T
Pls help
What would be the implication for the shape of the DNA molecule if a purine was always matched across the helix with a purine and a pyrimidine with a pyrimidine? Support your answer with course content.

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