
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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My textbook says:
"Protein encoding genes control protein production indirectly, using a related molecule called RNA as an intermediary. The sequences of
My question is, do only protein encoding genes control protein production indirectly through RNA or do all genes do this?
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- A eukaryotic mRNA has 703 total nucleotides. 50 of these are the 5'UTR and 50 of these are the 3'UTR. How many amino acids are in the protein encoded by this mRNA?Question 26 options: A) 199 B) 200 C) 201 D) 300 E) 700arrow_forwardWhat enzyme catalyzes protein synthesis in bacteria? You discover a new broad-spectrum antibiotic that inhibits protein synthesis and named it Compound J. You want to determine the mechanism of action of Compound J. After treating bacteria cells with Compound J, you observe many ribosomes with long polypeptide chains bound to them. Based on this observation, make a hypothesis about which part of the ribosome Compound J is binding and how this specifically affects translation. What evidence supports that proper protein folding is essential to all domains of life? Name and describe the function/s of two specific molecules that help proteins fold in bacteria.arrow_forwardWhat is the one-letter amino acid sequence formed from the following mRNA that codes for a pentapeptide that is an endorphin called Leu-enkephalin? 5' AUG - UAC - GGU - GGA - UUU - CUA - UAA 3'arrow_forward
- Refer 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_forwardWhich of the following mutations in the protein-coding region of a gene is more likely to lead to complete loss of function of the encoded protein: an insertion of six nucleotides or a deletion of two nucleotides? Briefly explain your answer.arrow_forwardMRNAs and eukaryotic cells receive different modifications than those in prokaryotic cells, because eukaryotic mRNAs must be able to accomplish different things. Which of the following describes events that are necessary for an mRNA to be expressed in a eukaryotic cell, but are not necessary for mRNAs in a prokaryotic cell? select all that apply A) introns must be removed from the eukaryotic mRNA B) The mRNA must leave from the nucleus C) transcription factors must bind to the mRNA in a eukaryotic cell after it is transcribed D) A ribsome must bind to the mRNA .arrow_forward
- Phosphorylation is a very common post-translational modication (PTM) to regulate protein function. Which amino acids are most commonly regulated by phosphorylation? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Leucine, arginine, serine. b Tyrosine, arginine, glutamine. C Serine, threonine, tyrosine. d Glutamine, arginine, tyrosine. e Serine, tyrosine, glutamine.arrow_forwardIf you want to engineer a cytoplasmic protein to become a peroxisomal protein, which of the following amino acid sequences would you need to add? A signal sequence to its N-terminus and a KDEL sequence to its C-terminus An SKL sequence to its C-terminus A signal sequence to its C-terminus and a KDEL sequence to its N-terminus A signal sequence to its N-terminus and an SKL sequence to its C-terminus A KDEL sequence to its C-terminusarrow_forwardA diagram of a gene is shown below. Normally, exons 1, 2, and 3 are present in the mature mRNA. (shown in attatched image) A mutation occurred at the 5’ splice site of exon 1 as shown by the star such that the spliceosome cannot bind to this location during mRNA processing of the pre-mRNA into the mature mRNA. Which of the following is/are a possible result of this mutation? (select all that apply) a)The pre-mRNA transcribed from this gene sequence will be longer than normal. b)The protein translated from this mRNA will be a different length than the normal protein. c)The mature mRNA will be longer. d)The mature mRNA will be shorter.arrow_forward
- Shown below is a cartoon of a genetic oscillator. a) Convert into a Forrester diagram, state variables are D, m, E, S and P. As a reminder, dashed lines serve control/regulation. b) In a sentence, what causes the cyclic behavior in the formation of the product? DNA D mRNA Enzyme Substrate Product I 3arrow_forward3)Which of the following statements are true? Choose all that apply a)There are multiple codons possible for nearly all amino acids b)Each stop codon also codes for an amino acid c)Each tRNA will base pair with only one codon d)The start codon also codes for an amino acid e)Each codon in mRNA codes for exactly one amino acid f)Each codon in tRNA codes for exactly one amino acid g)Each anticodon in tRNA pairs with exactly one codon h)Each tRNA carries exactly one type of amino acidarrow_forwardConsider Molecule X, which is found in all living cells. Each form of this molecule is keyed to the genetic code for a particular amino acid. When activated, the amino acid is covalently bonded to one end of this molecule, and it carries the amino acid to a ribosome to take part in protein assembly. What is the name of X? Your answer should be one word, or a short two- or three-word phrase. Spelling counts. Note: if there is more than one possible answer, separate each answer with a comma. 0arrow_forward
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