Domanda del libro di testo
Self-replicating DNA for transmitting a gene from one organism to another.
a. Antisense
b. Clone
c. Library
d. Southern blot
e. Vector
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Ch. 9 - Biotechnology & DNA Technology
Tortora14th EditionMicrobiology: An IntroductionISBN: 9780138200398
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TOC.tableOfContents
- Ch. 1 - The Microbial World and You18
- Ch. 2 - Chemical Principles20
- Ch. 3 - Observing Microorganisms Through a Microscope18
- Ch. 7 - The Control of Microbial Growth20
- Ch. 9 - Biotechnology & DNA Technology20
- Ch. 10 - Classification of Microorganisms15
- Ch. 11 - The Prokaryotes: Domains Bacteria and Archaea14
- Ch. 12 - The Eukaryotes: Fungi, Algae, Protozoa, and Helminths17
- Ch. 13 - Viruses, Viroids, and Prions20
- Ch. 14 - Principles of Disease and Epidemiology21
- Ch. 15 - Microbial Mechanisms of Pathogenicity19
- Ch. 16 - Innate Immunity: Nonspecific Defenses of the Host20
- Ch. 17 - Adaptive Immunity: Specific Defenses of the Host20
- Ch. 18 - Practical Applications of Immunology20
- Ch. 19 - Disorders Associated with the Immune System19
- Ch. 20 - Antimicrobial Drugs19
- Ch. 21 - Microbial Diseases of the Skin and Eyes21
- Ch. 22 - Microbial Diseases of the Nervous System19
- Ch. 23 - Microbial Diseases of the Cardiovascular and Lymphatic Systems20
- Ch. 24 - Microbial Diseases of the Respiratory System20
- Ch. 25 - Microbial Diseases of the Digestive System20
- Ch. 26 - Microbial Diseases of the Urinary and Reproductive Systems19
- Ch. 27 - Environmental Microbiology20
- Ch. 28 - Applied and Industrial Microbiology19
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Capitolo 5, Problema 9
How does RNAi “silence” a gene?
Guida verificata passo dopo passo1
Understand that RNA interference (RNAi) is a biological process where RNA molecules inhibit gene expression by neutralizing targeted mRNA molecules.
Recognize that RNAi involves small RNA molecules, such as small interfering RNA (siRNA) or microRNA (miRNA), which are complementary to the mRNA of the gene to be silenced.
Learn that these small RNA molecules are incorporated into a protein complex called the RNA-induced silencing complex (RISC).
Know that the RISC uses the small RNA as a guide to bind to the complementary mRNA, leading to either cleavage and degradation of the mRNA or inhibition of its translation.
Conclude that by degrading or blocking the mRNA, RNAi effectively prevents the production of the protein encoded by the gene, thereby 'silencing' the gene.
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RNA Interference (RNAi) Mechanism
RNAi is a biological process where small RNA molecules inhibit gene expression by targeting specific mRNA molecules for degradation or translational repression, effectively reducing or silencing the production of the corresponding protein.
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04:19
1) RNA Processing
Role of Small Interfering RNA (siRNA) and MicroRNA (miRNA)
siRNAs and miRNAs are short RNA sequences that guide the RNA-induced silencing complex (RISC) to complementary mRNA targets, enabling the complex to cleave or block translation of the mRNA, thus preventing gene expression.
Video consigliato:
03:58Types of Small Noncoding RNAs
Gene Silencing via mRNA Degradation or Translational Repression
Once the RISC complex binds to the target mRNA, it either cleaves the mRNA, leading to its degradation, or blocks its translation, both of which prevent the mRNA from producing its protein, resulting in gene silencing.
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00:53Prokaryotic Gene Regulation via Operons
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Domanda del libro di testo
A population of cells carrying a desired plasmid.
a. Antisense
b. Clone
c. Library
d. Southern blot
e. Vector
752
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Domanda del libro di testo
You are attempting to insert a gene for saltwater tolerance into a plant by using the Ti plasmid. In addition to the desired gene, you add a gene for tetracycline resistance (tet) to the plasmid. What is the purpose of the tet gene?
1355
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Domanda del libro di testo
Match the following choices to the statement provided below.
a. Antisense
b. Clone
c. Library
d. Southern blot
e. Vector
DNA that hybridizes with mRNA.
1293
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Domanda del libro di testo
This virus family, normally associated with AIDS, may be useful for gene therapy.
1323
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