Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 12.1, Problem 1TYK
Summary Introduction
Introduction:
Gene regulation is the mechanism which either induce or repress the expression of a gene. Gene expression is the process by which information in a gene is transcribed into a mRNA molecule and then a protein is synthesized by decoding the information on mRNA strand. In gene regulation, interactions between genes, RNA, proteins and other components determine when and where a specific gene should be translated and amount of protein or RNA should be produced.
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Chapter 12 Solutions
Principles of Biology
Ch. 12.1 - How does gene regulation underlie the different...Ch. 12.1 - Prob. 1TYKCh. 12.1 - The most common point of gene regulation in...Ch. 12.2 - Which genes are under the control of the lac...Ch. 12.2 - Prob. 2CCCh. 12.2 - Prob. 1BCCh. 12.2 - Prob. 1TYKCh. 12.3 - Prob. 1CCCh. 12.3 - Prob. 1TYKCh. 12.3 - Prob. 2TYK
Ch. 12.4 - Prob. 1CCCh. 12.4 - Prob. 1BCCh. 12.4 - A chromatin-remodeling complex may change the...Ch. 12.4 - Prob. 2TYKCh. 12.5 - What is the biological advantage of alternative...Ch. 12.5 - Prob. 2CCCh. 12.5 - Prob. 1TYKCh. 12.5 - Prob. 2TYKCh. 12 - Genes that are expressed at all times at...Ch. 12 - Prob. 2TYCh. 12 - Transcription factors that bind to DNA and...Ch. 12 - Prob. 4TYCh. 12 - Prob. 5TYCh. 12 - Prob. 6TYCh. 12 - Prob. 7TYCh. 12 - Prob. 8TYCh. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - What is the difference between inducible and...Ch. 12 - Transcriptional regulation often involves a...Ch. 12 - PRINCIPLES A principle of biology is that the...Ch. 12 - Discuss the advantages and disadvantages of...Ch. 12 - Prob. 2CBQ
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- The study of how genes are transferred from parents to their children and the role of genes in health and disease is known as ________________. cytology geneticsarrow_forwardAshanti Silva received the first gene therapy for the treatment of SCID. What do you think, would the combination of gene therapy and stem cell therapy be a better therapeutic option?arrow_forwardA mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors. All BUT ONE of the statements below correctly describes or explains genetic mutations. A) Mutation can disrupt normal cell activity and cause diseases, like cancer. B) Mutations in parents' cells are then passed down to offspring via reproduction. C) Our cells can recognise any potentially mutation-causing damage and repair it before it permanent. D) Mutations can occur as the result of exposure to environmental factors such as smoking, toxins and radiation.arrow_forward
- A principle of biology is the genetic material provides ablueprint for reproduction. Explain how gene regulation is animportant mechanism for reproduction and sustaining life.arrow_forwardWhich of the following statements is NOT TRUE? Genes are never simultaneously transcribed and translated in Eukaryotes. Both Eukaryotes and bacteria have rRNA and tRNA genes. The lac mRNA in bacteria encodes multiple proteins. There are many different definitions of gene. All of the above are truearrow_forwardThe map of the chromosome which shows identifiable sites is called___________a) Gene expressionb) Genome sequencingc) Chromosome walkingd) Genome maparrow_forward
- Imagine you took a protein coding sequence of DNA (a gene) from a pig, and added that sequence of DNA to a fruit fly. What would the resulting protein be like? The gene could be expressed, but it would be the fly version of the same gene The protein would be identical to the pig version of the protein The protein would be a mutated version of the pig protein No protein could be produced because of the difference in speciesarrow_forwardYou have studied about the "Bubble Baby", a condition that is practiced to keep the infection prone baby safe. What is the reason of being infected prone? Write about the available treatments for the disease and the overall details about gene therapy.arrow_forwardAnother way how the expression of a gene can exceed the normal pace is if a person has more than one copy of it. There will be a variation or alteration in the gene sequence providing long regulation. Group of answer choices Statement 1 is correct. Statement 2 is incorrect Both statements are incorrect Statement 1 is incorrect, statement 2 is correct Both statements are correctarrow_forward
- Two daughter cells are most likely to inherit which one of the following from the parent cell?A. a change in a nucleotide in mRNAB. a change in a nucleotide in tRNAC. a change in a nucleotide in rRNAD. a change in a nucleotide in DNAE. a change in a proteinarrow_forwardFill in the blanks. In this schematic, [] represents a gene (DNA) that is transcribed and processed to form [], which are mRNA molecules. [] represents one protein produced from the gene. The molecule that will function as a transcription factor is [].arrow_forwardResearchers can isolate a sample of cells, such as skin fibroblasts, and grow them in the laboratory. This procedure is called a cell culture. A cell culture can be exposed to a sample of DNA. If the cells are treated with agents that make their membranes permeable to DNA, the cells may take up the DNA and incorporate it into their chromosomes. This process is called transformation or transfection. Scientists have transformed human skin fibroblasts with methylated DNA and then allowed the fibroblasts to divide for several cellular generations. The DNA in the daughter cells was then isolated, and the segment that corresponded to the transformed DNA was examined. This DNA segment in the daughter cells was also found to be methylated. However, if the original skin fibroblasts were transformed with unmethylated DNA, the DNA found in the daughter cells was also unmethylated. With regard to the transformed DNA, do fibroblasts perform de novo methylation, maintenance methylation, or both?…arrow_forward
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