A and B (adnine, cytosine, guanine, thymine)C and D (G1, G2, G3, G4) Below is an image of a basepair and associated ribose rings as viewed down the helical axis in B DNA(black spheres are oxygen atoms; red lines are hydrogen bonds).G2G3G1B1B2G4Identify the base marked as B1.[ Select ]Identify the base marked as B2.[ Select ]Identify the general location (G1-G4) of the minor groove.[ Select ]Identify the general location (G1-G4) of the major groove.[ Select ]>>

Introduction: Deoxyribonucleic acid or DNA is a type of molecule known as a nucleic acid that…

Answered: Below is an image of a basepair and…

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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This is part of the Escherichia coli DNA sequence that contains an inverted repeat. (Note: top strand is the coding strand). 5'-AACGCATGAGAAAGCCCCCCGGAAGATCACCTTCCGGGGGCTTTATATAATTAGC-3' 3'-TTGCGTACTCTTTCGGGGGGCCTTCTAGTGGAAGGCCCCCGAAATATATTAATCG-5' (i) Draw the structure of hairpin loop that will be formed during the end of transcription. (ii) Describe the function of the hairpin loop during transcription.
(i) Indicate by drawing where the RNA of Telomerase binds to the telomeric region. W, X, Y, and Z are the ends of the DNA and RNA strands respectively. Identify ends of DNA’s X, Y, and Z shown in Figure 1(a) & (b). (ii) (a) Telomerase -AAUCCCAAU- TTAGGGTTAGGGTTAGGGTTAGGGTTAGGGTTAGGG-W’ AАТСССААТСССААТСССАА-Х" (b) Telomeric DNA Figure 1
This is part of the Escherichia coli DNA sequence that contains an inverted repeat. (Note: top strand is the coding strand). 5'-AACGCATGAGAAAGCCCCCCGGAAGATCACCTTCCGGGGGCTTTATATAATTAGC-3' 3'-TTGCGTACTCTTTCGGGGGGCCTTCTAGTGGAAGGCCCCCGAAATATATTAATCG-5' Draw the structure of hairpin loop that will be formed during the end of transcription.
Given the following Wild Type and Mutated DNA sequences: 1.) Identify where the base pair change occurs ( what letter changed?) 2.) For BOTH sequences, write the mRNA strands, define the codon regions and amino acid sequences. 3.) Describe what kind of mutation has occurred (missense, nonsense, or silent), and what effect this may have on the protein. Wild Type DNA Sequence: 3' - AGGCTCGCCTGT - 5' Mutated DNA Sequence: 3' - AGTCTCGCCTGT - 5'
Given the sequence shown below, write the complementary DNA sequence, using the base-pairing rules, as well as the directionality of the strands: 5'- CGAGGCTAGGTTAACCTG-3'
For a linear B-DNA molecule of 50,000 kb, calculate (a) the contour length and (b) the length of the DNA as packaged in nucleosomes with linker histones present.
A closed circular duplex DNA has a 100-bp segment of alternating C and G residues. On transfer to a high salt solution, the segment undergoes a transition from the B conformation to the Z conformation. What is the change in its linking number, writhing number, and twist?
a) Complete the table below. Assume that reading is from left to right and that the columns represent transcriptional and translational alignments. Label the 5’ and 3’ ends of DNA and RNA and carboxy and amino acid ends of protein. (You may fill in this chart by hand writing- no typing necessary here.) 2. b) Is the top or bottom DNA strand the template strand?
Isein) are shówn in the following document: Codon Number Base Sequence of Normal DNA Transcribed Strand ТАС ТСС СТС AAT СТ AAT TTG Base Sequence of Abnormal DNA Transcribed strand ТАС ТСС СТС AAT CTT ATT TTG 7. Compare the 2 DNA sequences and explain the absence of functional casein in abnormal females.
Given the following Wild Type and Mutated DNA sequences: 1.) Identify where the base pair change occurs (what letters changed?) 2.) For BOTH sequences, write the mRNA strands, define the codon regions (with spaces), and amino acid sequences. 3.) Describe what kind of mutation has occurred (missense, nonsense, or silent), and what effect this may have on the protein. Wild Type DNA Sequence: 3' - CCTCGTTATGTG - 5' Mutated DNA Sequence: 3' - CCTCGTTATTTG - 5'
b) For a DNA strand with the given genetic code of bases , undergoing transcription, what will be the complimentary RNA strand? Provide the direction as well as 5" and 3" indicators for the new genetic genome. 5" G-A-A-C-T-G-G-A^T-T-C-T-A-C-C3'.
Here is a DNA coding strand’s sequence and direction: 5’-ATGCCGATATAG-3’ . What would be the amino acid sequence in the polypeptide encoded by this DNA?

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