Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 15, Problem 28CTQ
Explain how single
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Explain how in some cases a single nucleotide change in a DNA sequence can have very detrimental effects on protein function.
Explain how silent mutations affect the structure and function of the protein.
Explain why missense changes may or may not affect protein function?
Chapter 15 Solutions
Biology 2e
Ch. 15 - Figure 15.11 A scientist splices a eukaryotic...Ch. 15 - Figure 15.13 Errors in splicing are implicated in...Ch. 15 - Figure 15.16 Many antibiotics inhibit bacterial...Ch. 15 - The AUC and AUA codons in mRNA both specify...Ch. 15 - How many nucleotides are in 12 mRNA codons? 12 24...Ch. 15 - Which event contradicts the central dogma of...Ch. 15 - Which subunit of the E. coli polymerase confers...Ch. 15 - The -10 and -35 regions of prokaryotic promoters...Ch. 15 - Three different bacteria species have the...Ch. 15 - Which feature of promoters can be found in both...
Ch. 15 - What transcripts will be most affected by low...Ch. 15 - How do enhancers and promoters differ? Enhancers...Ch. 15 - Which pre-mRNA processing step is important for...Ch. 15 - What processing step enhances the stability of...Ch. 15 - A scientist identifies a pre-mRNA with the...Ch. 15 - The RNA components of ribosomes are synthesized in...Ch. 15 - In any given species, there are at least how many...Ch. 15 - A scientist introduces a mutation that makes the...Ch. 15 - Imagine if there were 200 commonly occurring amino...Ch. 15 - Discuss how degeneracy of the genetic code makes...Ch. 15 - A scientist sequencing itiRNA identifies the...Ch. 15 - If mRNA is complementary to the DNA template...Ch. 15 - In your own words, describe the difference between...Ch. 15 - A fragment of bacterial DNA reads: 3’...Ch. 15 - A scientist observes that a cell has an RNA...Ch. 15 - Chronic lymphocytic leukemia patients often harbor...Ch. 15 - Transcribe and translate the following DNA...Ch. 15 - Explain how single nucleotide changes can have...Ch. 15 - A normal mRNA that reads 5’ -...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Explain the amino–imino forms of cytosine and adenine ?arrow_forwardDiscuss protein folding and misfolding. Give two consequences (or examples) of protein misfolding and describe the effect of the misfolding.arrow_forwardDefine mutation. Then describe the three basic types of mutation (substitutions, insertions, and deletions) AND the effects they can each have on the protein(s) for which they code.arrow_forward
- Cystic fibrosis (CF) is an inherited disorder caused by different types of mutations, many of which prevent ions from moving across cell membranes. Normally there are channel proteins that allow passage of the ions, but in patients with one kind of CF these proteins seem odd. Closer examination shows that these proteins display the correct amino acid sequence. However, they fail to do their job. A) Given that the primary structure of the protein is correct, what can you infer about the DNA sequence for the gene coding this protein on this patient, is there a mutation? Explain. B) Why is the primary structure insufficient to guarantee the proper function of the protein?arrow_forwardExplain why a point mutation does not necessarily change the oriignal amino acid sequence. Explain silent mutations.arrow_forwardWhich type of information about the nucleotide sequenceof the target DNA is required ?arrow_forward
- Some mutations affect changes in protein structure and function that can result in disease whereas other mutations have no significant effects on protein structure and function. Please explain reasons for the above mentioned statementarrow_forwardDescribe the major structural features of tRNA.arrow_forwardThe effect of base-pair substitution mutations on protein function varies widely from no detectable effect to the complete loss of a protein function. Why the functional consequences of base-pair substitution vary so widely?arrow_forward
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