Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 17, Problem 16PIAT
Summary Introduction
To analyze:
Setting up an experiment to determine whether the α-amanitin toxin affects protein synthesis.
Introduction:
The α-amanitin is an 8-amino acid long cyclic peptide, which acts as a toxin if ingested. It is found in the Amanita phalloides (death cap mushroom). The primary cause of death from α-amanitin poisoning is liver failure. Suppose a physician informs you that the liver cells die because their rate of protein production falls below a level needed to maintain active
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A scientist isolates some mRNA from one gene and compares its sequence to that of the gene from which it was copied. Where will the mRNA be found to end?
A. at the promoter
B. at an intron
C. at the stop codon
D. at an enhancer
Treating a cell with a drug to stop tRNA from doing its job would mean what?
A. that ribosomes would fall apart
B. that sugars would not be added to proteins
C. that nothing would be available to translate
D. that amino acids would not be brought to the growing protein
Predict what the results would be if mRNA were radioactively labeled instead of polypeptides. Give one or two reasonings to support your prediction.
Chapter 17 Solutions
Biological Science (6th Edition)
Ch. 17 - Prob. 1TYKCh. 17 - CAUTION Where is the start codon located? a. at...Ch. 17 - Prob. 3TYKCh. 17 - Prob. 4TYKCh. 17 - 5. RNases and proteases are enzymes that destroy...Ch. 17 - Prob. 6TYUCh. 17 - Prob. 7TYUCh. 17 - Prob. 8TYUCh. 17 - The nucleotide shown below is called cordycepin...Ch. 17 - Prob. 10TYPSS
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- Compare and contrast the process of transcription and translation in prokaryotes then describe transcription unit.arrow_forwardYou see that a piece of DNA is being copied. But you cannot tell if this an example of DNA replication or RNA transcription. Describe three ways that you can tell the two processes apart.arrow_forwardCreate an analogy for the process of gene expression. In your analogy, be sure to explain the function (role) of each component in the processarrow_forward
- A cell biologist asks you to image a protein of interest tagged with eGFP in a living cell. Describe how you would approach this experiment.arrow_forwardResearch genetic diseases and find one that interests you. In your initial response, describe the known causes of this disease. Is it a flaw in DNA transcription/translation, or is it a form of gene suppression or expression? How do you know?arrow_forwardConsider an animal. During DNA replication, all base pairs of DNA are copied. But, during transcription, only some of the DNA bases are transcribed. What parts of the DNA or/and protein(s) determines which part of the genome is transcribed into mRNA? (short answer)arrow_forward
- After transcription, the molecule that is formed is a.complementary to part of one strand of DNA. b.complementary to both strands of DNA. c.double-stranded and inside the nucleus. d.identical to an entire single strand of DNA.arrow_forwardYou know how the body using mRNA to create protein. Describe to someone how the cell will be able to use a mRNA from a vaccine.arrow_forwardCompare the DNA transcription process in bacteria and eukaryotes, analyze the similarities and differences.arrow_forward
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