Brock Biology of Microorganisms (15th Edition)
15th Edition
ISBN: 9780134261928
Author: Michael T. Madigan, Kelly S. Bender, Daniel H. Buckley, W. Matthew Sattley, David A. Stahl
Publisher: PEARSON
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Chapter 9 Solutions
Brock Biology of Microorganisms (15th Edition)
Ch. 9.1 - How many protein-encoding genes are in the human...Ch. 9.1 - List three examples of how genomics has led to...Ch. 9.1 - What is one discovery resulting from the...Ch. 9.2 - What key molecules are essential for danger...Ch. 9.2 - Prob. 2MQCh. 9.2 - What is the major problem in identifying genes...Ch. 9.2 - How can protein homology assist in genome...Ch. 9.3 - What lifestyle is typical of Bacteria and Archaea...Ch. 9.3 - Prob. 2MQCh. 9.3 - Prob. 3MQ
Ch. 9.3 - Prob. 1CRCh. 9.4 - Prob. 1MQCh. 9.4 - Prob. 2MQCh. 9.4 - Prob. 3MQCh. 9.4 - Which genomes are larger, those of chloroplasts or...Ch. 9.5 - Prob. 1MQCh. 9.5 - Prob. 2MQCh. 9.5 - Prob. 3MQCh. 9.5 - What is the major difference in how duplications...Ch. 9.6 - Which class of genes is rarely transferred...Ch. 9.6 - List the major mechanisms by which horizontal gene...Ch. 9.6 - How might transposons be especially important in...Ch. 9.6 - Explain how horizontally transferred genes can be...Ch. 9.7 - Prob. 1MQCh. 9.7 - Prob. 2MQCh. 9.7 - Prob. 3MQCh. 9.7 - Explain how chromosomal islands might move between...Ch. 9.8 - Prob. 1MQCh. 9.8 - How is a metagenome analyzed?Ch. 9.8 - Prob. 1CRCh. 9.9 - Prob. 1MQCh. 9.9 - Prob. 2MQCh. 9.9 - Prob. 3MQCh. 9.9 - Prob. 1CRCh. 9.10 - Why is the term proteome ambiguous, whereas the...Ch. 9.10 - Prob. 2MQCh. 9.10 - Prob. 3MQCh. 9.10 - Prob. 1CRCh. 9.11 - Prob. 1MQCh. 9.11 - What is a secondary metabolite?Ch. 9.11 - Prob. 1CRCh. 9.12 - How are single cells isolated from a mixed...Ch. 9.12 - Prob. 2MQCh. 9.12 - How can single-cell genomics be used to address...Ch. 9.13 - Prob. 1MQCh. 9.13 - Prob. 2MQCh. 9.13 - Prob. 1CRCh. 9.14 - Prob. 1MQCh. 9.14 - Prob. 2MQCh. 9.14 - Prob. 1CRCh. 9 - Apart from genome size, what factors make complete...Ch. 9 - Describe how one might determine which proteins In...Ch. 9 - The gene encoding the beta subunit of RNA...Ch. 9 - Describe how you could use systems biology to...
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- All the cells of one organism share the same genome. However, during development, some cells develop into skin cells while others develop into muscle cells. Briefly explain how the same genetic instructions can result in two different cell types in the same organism.arrow_forwardIf you were to design an experiment to get p53 back into cancer cells, how would you go about that work? How would you direct p53 into the nucleus of cancer cells without directing it to the nucleus of healthy cells? As an overabundance of p53 in healthy cells would cause problems. Could someone in depth answer these questions for me and explain them cellularly.arrow_forwardWhat fraction of the human genome consists of transposons and retrotransposons?arrow_forward
- Acquired mutation in the p53 gene is the most common genetic alteration found in human cancer (> 50% of all cancers). A germline mutation in p53 is the causative lesion of Li- Fraumeni familial cancer syndrome. In many tumors, one p53 allele on chromosome 17p is deleted and the other is mutated. What type of protein is encoded by the p53 gene? (A) Caspase (B) DNA repair enzyme (C) Membrane cell adhesion molecule (D) Serine phosphatase (E) Telomerase (F) Transcription factor (G) Tyrosine kinasearrow_forwardDystrophin is a protein that forms part of a vital protein complex that connects the cytoskeleton of a muscle fiber cell to the extracellular matrix. This connection strengthens and shapes the muscle fibers. Dystrophin is coded by the DMD gene. This is one of the longest human genes known, covering 2,300,000 base pairs (0.08% of the human genome) It is located in chromosome 21. The immature mRNA is 2,100,000 bases long and takes 16 hours to transcribe. It contains 79 exons. The mature mRNA measures 14,000 and codes for a protein with 3,685 amino acids. Abnormal expression of dystrophin leads to severe symptoms like muscle weakness and fatigability, a disease that is called muscular dystrophy. Most patients with muscular dystrophy become wheelchair dependent early in life. Cardiac muscle is also affected which results typically in premature death (~ second or third decade of life). Several mutations in this gene have led to the production of low levels of dystrophin or of a defective,…arrow_forwardOne important biological effect of a large dose of ionizing radiation (like X-rays) is to halt cell division. How does this occur? To answer this question, state the name and role of 2 specific and important proteins involved in the process. What happens if a cell has a mutation that prevents it from halting cell division after be irradiated? Be specific and detailed. An adult human who has reached maturity will die within a few days of receiving a radiation dose large enough to stop cell division. What does that tell you about cell division? In addition, name 2 different/unique cell types that would be primarily affected.arrow_forward
- In humans, the average length of a gene on chromosome 7 is 69,000 base pairs, but the average MRNA length on chromosome 7 is only 2,500 base pairs. Chromosome 7 has 863 protein-coding genes, but many more than 863 proteins are made from the genes on chromosome 7. The observation that the length of the average gene on chromosome 7 is longer than the average mRNA length is explained by the process of while the observation that more proteins are produced from the genes on chromosome 7 than there are genes can be explained by the process of O heterogeneity; complementation splicing of introns; alternative splicing O chromatin remodeling; micro RNA binding acetylation; methylation alternative splicing; splicing of intronsarrow_forwardDescribe experimental evidence that would indicate that most or nearly all of the DNA sequences in a mammalian genome are transcribed.arrow_forwardThe human genome sequence encodes many more mRNA transcripts than there are genes. Why isn’t the number the same?arrow_forward
- Dr. William's lab is studying cell division on a mutant primary mouse cell line. Interestingly the drug, Colchicine has no effect on any types of tubulin subunits expressed by the cell line. Which of the following conditions/s will arrest the cell line’s cell division during mitosis? Group of answer choices (B) and (C) are correct (A) and (C) are correct (A) High concentration of Colchicine (B) Low concentration of Colchicine (C) Taxolarrow_forwardWhat is the function of a centromere? At what stage of the cellcycle would you expect the centromere to be the most important?arrow_forwardAnswer question 23arrow_forward
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