If a given double stranded DNA undergoes enzymatic hydrolysis targeting only the "a" side in the phosphodiester bond, what arethe consequent nucleotide products of the hydrolysis of the 2 strands? (Please write the answers using only the letterscorresponding to the bases with either the p or OH beside it to indicate the phosphate and OH groups respectively.)Sequence in one strand: TCGATCAGUse the editor to format your answer

The hydrolysis is targetting the 3' Carbon of the sugar in the phosphodiester bond. 1st strand…

Answered: If a given double stranded DNA…

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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Draw and label the following RNA tetranucleotide: 5’phosphoryl-A-2’O-methyl-C-U-G-3’-phosphate
Which of the following DNAs is most likely to contain the recognition sequence for a homodimeric DNA binding protein? (Note that only one strand of the DNA is shown - you will find it helpful to write down the sequence and the sequence of the opposite strand to answer this question.) a) 5’- G A G C G A T C G C T C - 3’ b) 5’- G A G C G A G A G C G A - 3’ c) 5’- G A G C G A A G C G A G - 3’
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
Total nucleic acids are extracted from a growing culture of yeast cells. They are then mixed with specialized beads to which the single-stranded DNA molecule with sequence 5’-TTTTTTTTTTTTTTTTTTTTTTTTT-3’ has been covalently attached to the surface (see image to the right, where each black line represents a polynucleotide sequence). After a short incubation time, the beads are removed from the mixture. When you analyze the cellular nucleic acids stuck to the beads, which type of nucleic acid (i.e. DNA, rRNA, etc.) do you expect to be the most abundant? Why?
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.)
A DNA fragment with the following base sequence has some cytosine bases that are methylated (indicated by C*) and others that are unmethylated. To determine the locations of methylated and unmethylated cytosines, researchers sequenced this fragment both with and without treatment with sodium bisulfite. Give the sequence of bases that will be read with and without bisulfite treatment. —ATCGC*GTTAC*GTTGC*GTCA—
In the following picture, identify the type of DNA binding motif is shown and the characteristics.
As you should recall, DNA, when not being actively transcribed, has a double helical structure. This portion of the DNA has had the two strands separated in preparation of transcribing for a needed protein. The following is one of the two complimentary strands of DNA: 3' - AACCAGTGGTATGGTGCGATGATCGATTCGAGGCTAAAATACGGATTCGTACGTAGGCACT - 5' Q: Based on written convention, i.e. the 3'-5' orientation, is this the coding strand or the template strand? ______________________________ Q: Assuming this strand extends from base #1 to #61 (going left to right), interpret the correctly transcribed mRNA and translated polypeptide for bases 24 - 47: mRNA: ___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___-___- polypeptide chain: ________--________--________--________--________--________--________--________
Write the complementary sequence for the following DNA sequence, in order from 3' to 5': Use all capital letters to write the DNA sequence. ▸ View Available Hint(s) 3'- TAGCTTCACTAGATTCGAA -5' 5' - CGATATTGAGCTAAGCTT-3′ Submit Previous Answers × Incorrect; Try Again
a) It is known that double stranded DNA is denatured at low pH. pKa values should allow the determination of whether this is due to perturbation of the hydrogen bonding in A-T and/or G-C base pairs. The table gives values for the pKas of different protonated groups in the nucleobases.Nucleobase Position & pKa A N1, 3.5 G N7, 1.6; N1, 9.2 C N3, 4.2 T N3, 9.7a) Draw the A-T and G-C base pairs. - Label the bases with the one-letter code. – - Number the atoms in the rings and label the atom that attaches to the sugar. - Mark the groups that interact in normal…
Insulin is synthesized as preproinsulin, which has 81 amino acids. How many heterocyclic bases must be present in the informational DNA strand to code for preproinsulin (assuming no introns are present)?
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