**Problem Statement:**Suppose that a length of double-stranded DNA is 2520 base pairs long.**Question 1:**Calculate the number of helical turns if the DNA were in the B form, given that B-form DNA contains 10.5 base pairs per helical turn.**B form:** [Input Box] helical turns**Question 2:**Calculate the number of helical turns if the DNA were in the Z form, given that Z-form DNA contains 12 base pairs per helical turn.**Z form:** [Input Box] helical turns

DNA, or deoxyribonucleic acid, is the hereditary material found in most organisms. DNA is located in…

Answered: Suppose that a length of…

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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if this DNA has a molecular weight of 1.20 ×108 Dalton which contains a head in a about 200 nm long. Calculate the length of the DNA assuming the molecular weight of a nucleotide pair is 600 Dalton and assume that the DNA is a B-form and that there are 10 base pair per turn which makes is 34 Å per turn. ( 1nm = 10Å)
Hydrolysis of the N-glycosyl bond between deoxyribose and a purine base in DNA creates an apurinic (AP) site. An AP site is more thermodynamically destabilizing to a DNA molecule than is a mismatched base pair. Examine the structure of an AP site. H₂N HN N O™ -O-P-O-CH₂ Guanine H₂N N HN Select the chemical consequences that could contribute to DNA instability at AP sites. H H 1₂0/ H fewer hydrogen bonds between the unpaired pyrimidine base and water disruption of the base-stacking interactions decreased interaction between the mutated DNA strand and histones increased ability of the deoxyribose ring to open without the attachment of the purine base H H Guanosine residue (in DNA) O™ -O-P-O-CH₂ O H H H O Apurinic residue H OH H
A circular double-stranded DNA molecule contains 4200 base pairs. Insolution, the molecule is in a B-form helix, with about 10.5 base pairsper turn. The DNA circle has 12 superhelical turns. What is its superhelixdensity s?
Write the base sequence and label the 3' and 5' ends of the complementary strand for a segment of DNA with the following base sequences: 5'CGGAC3'
A diploid human cell contains approximately 6.4 billion base pairs of DNA. Assuming that the linker DNA encompasses 35 bp, how many nucleosomes are present in such a cell? Use two significant figures. How many histone proteins are complexed with this DNA? use two significant figures.
A and B (adnine, cytosine, guanine, thymine) C and D (G1, G2, G3, G4)
If you analyze a double-stranded DNA molecule and find that 15% of all the nucleotide bases are Adenines, you know that there must also be [ Select ] Thymines, [ Select ] Guanines, [ Select ] v Cytosines and [ Select ] Uracils. (Count each of the bases in any double stranded DNA molecule and calculate their percentages to find the simple key for this if you haven't seen it yet.)
The figure shows that the average distance between base pairs measured parallel to the axis of a DNA molecule is 3.4 Å. The average molar mass of a pair of nucleotides is 650 g•mol-1. Estimate the length in cm of a DNA molecule of molar mass 5.1x109 g•mol-1. 4.0 cm Roughly how many base pairs are contained in this molecule? 4.0 7.1e6 X base pairs AT CG OH O-P=D0 G C TA Adenine Thymine OH CH2 N-H.......O CH3 H -N N..... G C H A Он C G G C TA AT OH CH2 Cytosine Guanine H. O.......H-N H H' H N…**H-N HLH O N-H..... H2C OH TA OH CH2 (b) The most common structure of DNA, which is a right-handed double helix. The two strands are held together by hydrogen bonds and other intermolecular forces. (a) Base-pair formation between adenine (A) and thymine (T) and between cytosine (C) and guanine (G).
Give only typing answer with explanation and conclusion Write Dotplot alghorithm for finding inversions between the following DNAs in Python. Sequence 1: 5' - GCTAGGACCTTGATAGAACCATGCATGCATGCATGCAGTCTGGTCACTATGCCGTC - 3' Sequence 2: 5' - TACGTATCGGCGTTAGCGTAGCATGCATGCATGCATCGATGCCTAACGTTCTAAGC - 3'
In Figure 1-8b, can you tell if the number of hydrogenbonds between adenine and thymine is the same as thatbetween cytosine and guanine? Do you think that aDNA molecule with a high content of A + T would bemore stable than one with high content of G + C?
If a given double stranded DNA undergoes enzymatic hydrolysis targeting only the "a" side in the phosphodiester bond, what are the consequent nucleotide products of the hydrolysis of the 2 strands? (Please write the answers using only the letters corresponding to the bases with either the p or OH beside it to indicate the phosphate and OH groups respectively.) Sequence in one strand: TCGATCAG Use the editor to format your answer
this is the answer in the case of A-DNA, replace A-DNA with B-DNA, would the answer be the same or would it be different (circle the answer if it is different)? please explain

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