Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 3, Problem 36RA
Summary Introduction
To analyze:
The number of mRNA (messenger ribonucleic acid) bases needed to code for the given protein.
Introduction:
mRNA is used as a mediator for carrying genetic information. It conveys genetic information from a DNA (deoxyribonucleic acid) molecule to the cytosolic organelle, ribosomes. The mRNA is further used as a template for the formation of new proteins following the bases in it.
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Consider the following mRNA sequence: 5'-UUG ACC GAC-3'.
Note: Reference the Genetic code table for additional information.
Part: 0 / 5
Part 1 of 5
What amino acid sequence is coded for by this mRNA?
☑
What MRNA sequence codes the tripeptide shown below (write code in direction of N-terminus to C-terminus)?
IF MULTIPLE CODONS ARE ASSOCIATED WITH THE SAME AMINO ACID, USE THE FIRST CODON ON LIST. For example, use UCU for serine (not UCC, UCA, UCG, AGA, or
AGG).
You may need to use your textbook (p. 500-502) or look online for the structures of the 20 amino acids.
Use format XXX-XXX-XXX (capitals, dash, no spaces).
OH
HN
NH
Decode the unknown word using the genetic code and fill out the missing nucleotides. Translate the generated mRNA sequence using the universal genetic code table and the information derived from the previous steps. Determine the unknown word by arranging the single letter amino acid code of the hypothetical protein produced bound by the start and stop codon.
Chapter 3 Solutions
Human Physiology
Ch. 3 - According to the fluid-mosaic model of the plasma...Ch. 3 - After the DNA molecule has replicated itself, the...Ch. 3 - Nerve and skeletal muscle cells in the adult,...Ch. 3 - Prob. 4RACh. 3 - The phase of mitosis in which the chromatids...Ch. 3 - Prob. 6RACh. 3 - Which of these statements about RNA is true?...Ch. 3 - Prob. 8RACh. 3 - Prob. 9RACh. 3 - Prob. 10RA
Ch. 3 - Prob. 11RACh. 3 - Which of these statements about tRNA is true?...Ch. 3 - The step in protein synthesis during which tRNA,...Ch. 3 - Prob. 14RACh. 3 - Prob. 15RACh. 3 - Prob. 16RACh. 3 - Give some specific examples that illustrate the...Ch. 3 - Describe the structure of nucleosomes, and explain...Ch. 3 - What is the genetic code, and how does it affect...Ch. 3 - Why may tRNA be considered the "interpreter" of...Ch. 3 - Prob. 21RACh. 3 - Define the terms genome and proteome, and explain...Ch. 3 - Prob. 23RACh. 3 - Explain the functions of centrioles in nondividing...Ch. 3 - Prob. 25RACh. 3 - Prob. 26RACh. 3 - Define apoptosis and explain the physiological...Ch. 3 - Describe what is meant by epigenetic inheritance,...Ch. 3 - Discuss the role of chromatin proteins in...Ch. 3 - Explain how p53 functions as a tumor suppressor...Ch. 3 - Prob. 31RACh. 3 - Antibiotics can have different mechanisms of...Ch. 3 - Explain how it is possible for the human proteome...Ch. 3 - Explain RNA interference RNAi by siRNA and miRNA...Ch. 3 - Describe the function and significance of...Ch. 3 - Prob. 36RACh. 3 - Review figure 3.19 and answer the following...Ch. 3 - Prob. 38RACh. 3 - Describe the structure of the plasma membrane.Ch. 3 - Describe the structure and function of cilia,...Ch. 3 - Prob. 2aCPCh. 3 - Prob. 2bCPCh. 3 - Prob. 3aCPCh. 3 - Prob. 3bCPCh. 3 - Describe the structure and functions of...Ch. 3 - Prob. 3dCPCh. 3 - Describe the structure and function of ribosomes.Ch. 3 - Distinguish the two types of endoplasmic reticulum...Ch. 3 - Describe the appearance and composition of...Ch. 3 - Explain how RNA is produced within the nucleus...Ch. 3 - Explain how precursor mRNA is modified to produce...Ch. 3 - Explain how mRNA. rRNA, and tRNA function during...Ch. 3 - Describe the rough endoplasmic reticulum, and...Ch. 3 - Describe post-translational changes and other...Ch. 3 - Draw a simple diagram of the semiconservative...Ch. 3 - Describe the cell cycle using the proper symbols...Ch. 3 - Prob. 10bCPCh. 3 - List the phases of mitosis and briefly describe...Ch. 3 - Distinguish between mitosis and meiosis, describe...
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- Briefly describe the function of the following in protein synthesis. a. rRNA b. tRNA c. mRNAarrow_forwardGive the initiation codon for protein synthesis. Name the amino acid it codes for?arrow_forwardIndicate the amino acid sequence of the protein encoded by the following mRNA molecule. Use the genetic code table and assume that the very first “AUG” the ribosome encounters will serve as the start codon and specify methionine. 5’-AAUUCAUGCCCAAAUUUGGGGCACGAAGCUUCUUAGGCUAGUCCUAAAAAA-3’arrow_forward
- Please consider the figure below. a. Give the name of the process illustrated in the figure. b. If this is part of the elongation stage, explain what is going to happen next. Use the labels, A, B, C and/or D to answer the question. C. What terminus of the protein is represented by the amino acid represented by label D?arrow_forwardGiven the following mRNA sequence: 5-AUCCCGUAUGCCCGGGAGCUAGCCCAGC-3 a) Label the first condon, the stop codon, the untranslated regions and predict the amino acid sequence of the polypeptidarrow_forwardIf DNA codes for mRNA and mRNA codes for protein, then how can the same DNA sequence generate different proteins? What are the 3 tRNA sites on the small ribosomal subunit (just abbreviations)? What is the order of tRNA entrance and exit through the ribosome?arrow_forward
- Explain the steps of RNA translation into protein. Mutations: The codon GGA encodes the amino acid glycine. Identify the type of mutation for each of the following changes (name both the type of mutation and what the new codon would produce): GGA to GGG GGA to UGA GGA to GAGA GGA to AGAarrow_forwardRefer to the genetic code table and the mRNA sequence below to complete this question: U C U G A U G G G C U U U... beginning with the start codon, which amino acids, in order, are coded for by this section of mRNA? A) Thr-Met- Gly B) Met-Gly-Phe C) Ser-Asp-Gly-Leu .arrow_forwardGive correct typing answer with explanation and conclusion When ONLY glucose and NO LACTOSE is available, is mRNA transcribed? YES OR NOarrow_forward
- Derive the amino acid sequence that is coded by this mRNA sequence. Use three-letter amino acid codes in your answer. 5' GGA UGG AAU UCC AAA AUC 3' Note: Reference the Genetic code table for additional information.arrow_forwardUse the chart below to find the correct amino acids for the following mRNA strand: GCUAUGUUU ala-met-stop ala-met-stop ala-met-phe phe-ala-metarrow_forwardWhat happens when one base pair of DNA is lost from the coding region of a gene because of mutation? First explain how this would affect the mRNA sequence, and second, explain how this would alter the amino acid of the protein that is encoded.arrow_forward
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