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What does reverse transcriptase do?
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Ch. 33 - Viruses
Freeman8th EditionBiological ScienceISBN: 9780138276263
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TOC.tableOfContents
- Ch. 1 - Biology: The Study of Life13
- Ch. 2 - Water and Carbon: The Chemical Basis of Life14
- Ch.3 - Protein Structure and Function10
- Ch.4 - Nucleic Acids and the RNA World10
- Ch. 5 - An Introduction to Carbohydrates10
- Ch. 6 - Lipids, Membranes, and the First Cells11
- Ch. 7 - Inside the Cell10
- Ch. 8 - Energy and Enzymes: An Introduction to Metabolism10
- Ch. 9 - Cellular Respiration and Fermentation11
- Ch. 10 - Photosynthesis12
- Ch. 11 - Cell-Cell Interactions12
- Ch. 12 - The Cell Cycle8
- Ch. 13 - Meiosis12
- Ch. 14 - Mendel and the Gene23
- Ch. 15 - DNA and the Gene: Synthesis and Repair15
- Ch. 16 - How Genes Work16
- Ch. 17 - Transcription, RNA Processing, and Translation16
- Ch. 18 - Control of Gene Expression in Bacteria16
- Ch. 19 - Control of Gene Expression in Eukaryotes12
- Ch. 20 - The Molecular Revolution: Biotechnology, Genomics, and New Frontiers15
- Ch. 21 - Genes, Development, and Evolution12
- Ch. 22 - Evolution by Natural Selection16
- Ch. 23 - Evolutionary Processes13
- Ch. 24 - Speciation15
- Ch. 25 - Phylogenies and the History of Life13
- Ch. 26 - Bacteria and Archaea15
- Ch. 27 - Diversification of Eukaryotes16
- Ch. 28 - Green Algae and Land Plants16
- Ch. 29 - Fungi18
- Ch. 30 - An Introduction to Animals9
- Ch. 31 - Protostome Animals15
- Ch. 32 - Deuterostome Animals17
- Ch. 33 - Viruses16
- Ch. 34 - Plant Form and Function16
- Ch. 35 - Water and Sugar Transport in Plants16
- Ch. 36 - Plant Nutrition13
- Ch. 37 - Plant Sensory Systems, Signals, and Responses16
- Ch. 38 - Flowering Plant Reproduction and Development16
- Ch. 39 - Animal Form and Function17
- Ch. 40 - Water and Electrolyte Balance in Animals16
- Ch. 41 - Animal Nutrition16
- Ch. 42 - Gas Exchange and Circulation16
- Ch. 43 - Animal Nervous Systems16
- Ch. 44 - Animal Sensory Systems16
- Ch. 45 - Animal Movement11
- Ch. 46 - Chemical Signals in Animals16
- Ch. 47 - Animal Reproduction and Development16
- Ch. 48 - The Immune System in Animals16
- Ch. 49 - An Introduction to Ecology15
- Ch. 50 - Behavioral Ecology16
- Ch. 51 - Population Ecology16
- Ch. 52 - Community Ecology20
- Ch. 53 - Ecosystems and Global Ecology17
- Ch. 54 - Biodiversity and Conservation Ecology18
Freeman8th EditionBiological ScienceISBN: 9780138276263Non è quello che usi tu?Cambia libro di testo
Capitolo 33, Problema 1
What do host cells provide for viruses?
a. ATP
b. Nucleotides and amino acids
c. Ribosomes
d. All of the above
Guida verificata passo dopo passo1
Understand the basic needs of viruses: Viruses are obligate intracellular parasites, meaning they require a host cell to replicate and perform their life cycle functions.
Consider the role of ATP: ATP is the energy currency of the cell, and viruses rely on the host cell's ATP to fuel their replication processes.
Examine the need for nucleotides and amino acids: Viruses use the host cell's nucleotides to synthesize their genetic material and amino acids to build viral proteins.
Evaluate the importance of ribosomes: Viruses do not have their own ribosomes, so they depend on the host cell's ribosomes to translate viral mRNA into proteins.
Conclude by considering all options: Since viruses require ATP, nucleotides, amino acids, and ribosomes from the host cell, the correct answer is likely 'd. all of the above'.
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Virus Replication
Viruses rely on host cells to replicate because they lack the necessary machinery to do so independently. They use the host's cellular machinery to synthesize viral components, including nucleic acids and proteins, which are essential for assembling new virus particles.
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04:29
Virus Replication
Host Cell Resources
Host cells provide essential resources for viral replication, including ATP for energy, nucleotides for building viral RNA or DNA, and amino acids for constructing viral proteins. These resources are crucial for the virus to hijack the host's cellular processes and produce new virions.
Video consigliato:
03:57Resource Partitioning (Partial Niche Overlap)
Ribosomes
Ribosomes are cellular structures responsible for protein synthesis. Viruses depend on host cell ribosomes to translate viral mRNA into proteins, which are necessary for the virus's structure and function. Without access to ribosomes, viruses cannot produce the proteins required for their replication and assembly.
Video consigliato:
06:51Ribosomes
Pratica correlata
Domanda del libro di testo
In the viral replicative cycle, what reaction do viral proteases catalyze?
Select True or False for each statement.
T/F They catalyze polymerization of amino acids into peptides.
T/F They catalyze folding of long peptide chains into functional proteins.
T/F They catalyze cutting of polyprotein chains into functional proteins.
T/F They catalyze breaking of peptide bonds
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What features distinguish the seven major categories of viruses?
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