Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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DNA is a type of nucleic acid and it is the genetic material in living organisms. It is a double stranded, antiparallel, helical macromolecule that contain genes which determine the phenotypic expression and characteristics of an individual.
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- Use the Genetic Code below to help you answer the following questions. The nucleotide sequence of a hypothetical eukaryotic gene is: 3'- CCC CAT CAG TCA AGG GAA - 5' a. Provide the mRNA of the non-mutated gene. b. Provide the linear amino acid sequence of the non-mutated gene. üü c. Examine the mutated DNA sequence below. What would be the sequence of the mRNA? ü Mutated DNA sequence: 3' CCC CAC AGT CAA GGG AA 5' d. Provide the linear amino acid sequence of the mutated gene and identify the type of mutation. e. Comment on the consequences of this type of mutation?arrow_forwardThe following sequence is the coding strand of a piece of DNA. Type out the corresponding template strand of DNA and the MRNA that could be made from this piece of DNA if you assume that transcription begins at the first nucleotide listed. Next, use the attached genetic code table to translate the mRNA into a polypeptide that could be made from the message and list that sequence along with those of the DNA and MRNA. Coding strand 5'-TACCGTATGATTCTCTTGTATGGGTAACC-3' Second letter U UUU UUC UCU UAU UGU Phe Tyr Cys UCC UCA UAC UAA STOP UAG STOP UGG| Trp UGC Ser UUA UGA STOP A UUG Leu UCG CUU CCU CC CAU CGU CGC His CUC C CUA CAC САА Leu Pro Arg CCA CGA Gln CUG СCG CAG CGG AGU Ser AAU AAC ACU AUU lle AUC Asn ACC ACA AGC Thr AAA AGA AUA AUG Met Arg ACG AAG Lys AGG GAU GCU GCC GUU GGU Asp GAC GGC GGA GUC Val Ala Gly GCA GCG GAA GAG GUA Glu GUG GGG Third letter UCAG UCAG 5CAG UCAG First letterarrow_forwardSequence 1 : TACGCTACGGTAATC Sequence 2: TACGCTACTATCGTAarrow_forward
- The queation on my assignment is select the description of an exon? the answers they give are: 1. sequence of adenine nucleotides added onto the end of pre‑mRNA 2. modified form of a guanine nucleotide added onto the end of pre‑mRNA 3. coding portion of a DNA sequence that is present in mature mRNA 4. noncoding portion of a DNA sequence that is removed from pre‑mRNA then it wants you to explain your reasoning for your answer that you pickedarrow_forwardNitrous acid is a mutagen. It can react chemically with cytosine to change it to uracil in a DNA strand. Using your knowledge of DNA that undergoes transcription, explain the effect of this mutagen on a strand of DNA structurally and what the implications are for transcription of the mRNA strand and protein.arrow_forwardPlease answer parts a and b as shown in the imagearrow_forward
- Transcribe the DNA sequence from HbA mRNA: nucleotides: ACGTUarrow_forwardDuring translation, the formation of peptide bonds between adjacent amino acids requires peptidyl transferase enzyme activity, which is carried out by ______________________. Release Factor 23S rRNA of the large ribosomal subunit 16S rRNA of the small ribosomal subunit tRNA A protein enzyme called peptidyl transferasearrow_forwardMore than one answer can be correctarrow_forward
- Give only typing answer with explanation and conclusionarrow_forwardDuring the transcription elongation step, an internal structure in the RNA Polymerase called _______________________ guides the template and non-template DNA strands through channels inside the enzyme. rudder alpha sigma flap zipperarrow_forwardPlease answer all parts of this questionarrow_forward
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