1 Infected bacterium Phage integration of spacer Cas protein Spacer Phage DNA Phage DNA is cut into fragments. cas genes CRISPR array 2 Surviving bacterium Transcription CRISPR RNA RNA processing 3 Immunity crRNAS Phage Cas-crRNA 区、 complex Invading viral DNA is inactivated by Cas-crRNA complex. Cas-crRNA complex FIGURE 13.11 CRISPR Defense System Agalnst Phage Infection

1 Infected bacterium Phage integration of spacer Cas protein Spacer Phage DNA Phage DNA is cut into fragments. cas genes CRISPR array 2 Surviving bacterium Transcription CRISPR RNA RNA processing 3 Immunity crRNAS Phage Cas-crRNA 区、 complex Invading viral DNA is inactivated by Cas-crRNA complex. Cas-crRNA complex FIGURE 13.11 CRISPR Defense System Agalnst Phage Infection

Biology: The Unity and Diversity of Life (MindTap Course List)

14th Edition

ISBN:9781305073951

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter15: Studying And Manipulating Genomes

Section: Chapter Questions

Problem 12SQ: Which of the following can be used to carry foreign DNA into host cells? Choose all correct answers....

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Match the terms 1Genome surrounded by a protein coat 2Functional viral particle capable to infect a new host cell 3Infectious protein 4Infectious agent that needs helper virus for infection 5T4 enzyme that creates holes in the E. coli plasma membrane 6When a temperate phage stimulates their bacterial host tostart producing a toxin (e.g. cholera, shiga) 7Virus that infects bacteria 8Hand N spikes 9Virus without an envelope 10Most common and best studies virulent phage of E. coli 11Protein coat that surrounds viral genome 12:true or false : some viruses can cause cancer [ Choose ] lambda True pathogenic stimulation False Nucleocapsid lysosome Naked virus induction lysozyme Flu viruses tobacco mosaic virus lysogeny capsid Lysogenic conversion Holin Prion satellite bacteriophage (or just phage) T4 Virion Streptococcus
Please answer with yes or no with correcting the falte statement. Felline to cottart the will cost the whole statements mark, 56) Prionsare small circular RNA Viruses, those viruses don't have capsid and they can't replicate in their own. They need & helper virus like hepatitis If virus to replicate 57) Car receptor can act as a receptor for multiple viruses, like adenoviruses and Herpesviruses. 58) For infiuenza viruses they enter the host cell via Clathrien-coated pits endocytosis; in which the cell receptors will be digested by the lysozyme enzymes 59) Uncosting is the removal of the outer capsid in order to release the genome to start the viral replication, In case of adenovirus the uncoalo appen.. membrane
Comparing influenza viruses and COVID-19 pandemic coronavirus, both these viruses can increase genetic diversity through O high mutation rates of DNA polymerases O sexual replication O high mutation rates of RNA polymerases O antigenic shift prt sc F10 home F9 11
Decoding a DNA Message 1. CGA ACT AGA TAA CCC TTA TAG AAA TAT ACA CGC TTG TGA AAC ATA ATC CGG CTG CAA CGT TTA ACA CTC CTA ATT AGG ACA TAA CTC TTG ACA CTT ACT TAG AGA ACT CTC CGC TCA TAG GAG ATA ATT TAC TAA AGA TGA CGG TTT CTT TTG ACT CGA AGC ATT TAC CGC CCC TAG ATC 2. AAT CTC CGA GCT TTG TAG TTA CCC ATT TAG AGT ATC TAG TTG TGT CTC GCT CTC AGG TGC TAT TTG CCT ACT
OF rasc PDF Teas fill Which of the following is NOT a step in the replication of a retrovirus? A diagram illustrating the process is provided below. PDF UNOFFIC TRANSCR 59°F Mostly cloudy Virus Viral RNA Reverse transcriptase DDDDDD ↓Viral DNA Provirus mRNA mm Proteins mn Viral RNA Protease Plasma membrane Host DNA New virus O The single-stranded DNA forms a double-stranded DNA called a provirus, which is incorporated into the host cell DNA. O After a retrovirus attaches to the host cell, it injects its viral DNA and uses the host cell's machinery and materials to replicate. O After a retrovirus injects its viral RNA into a host cell, it forms a DNA strand by reverse transcription. O When the host cell replicates, a provirus produces the viral RNA needed to produce more virus particles. P O Search hun recc PDF maste omiss
Within the long-terminal repeat in the retrovirus genome is a PBS. If the PBS was mutated such that the molecule could no longer bind, what consequence would this have on the retrovirus life-cycle? Explain your answer. TTTT Paragraph Arial v a (12pt) E- E. T OIX8
Second letter A G UCU UCC UAU. Tyr UAC. UUU1 Phe UUC. UUA UUG. UGC Ser }Leu UAA Stop UGA Stop UAG Stop |UGG Trp UCA UCG CAU His CUU CỤC CCU ССС ССА CGU CGC Arg Leu CÁCS Pro CỦA CUG CGA CAAGIN CGG, Gln CAG, CCG J AAU Asn ACU АСC АСА AUU AGU Ser AUC }le A AUA AAC. Thr А AGC AGA AUG Met | ACG ] AAG Lys AG. GUU GUC GCU GAU1 AAsp GACS Ala GAA GGU GGC GCC Val Gly GGA G GUA GCA GUG GCGJ GAG Glu GGG Which peptide is the least likely to be made on the ribosome and why? а. Third letter DUAG 5UAG DUAG DUAG First letter
anline State- estid%3D1740&strandid%3D&element3D&difficulty=Dassessment&assignment_id%3D42985127&load_test=1&teacherPreview=#test Save Subm gp120 Docking Glycoprotein Lipid Membrane RNA gp41 Transmembrane Glycoprotein Сapsid Matrix Reverse Transcriptase Viruses, although not considered to be alive, attack host cells and cause disease. The attack of a host cell is necessary for the virus to survive for all of the reasons listed EXCEPT one. That is they cannot synthesize proteins becayse they lack ribosomes and must use the ribosomes of their host cells to translate viral messenger RNA into new Eliminate proteins. A) they cannot produce or store energy in the form of ATP and have to get their energy from the host cell. B) they parasitize the host cell for basic molecules like amino acids, nucleotides, and lipids. D) they lack DNA/RNA so they must use the DNA of the host cell. Address 立

Purified viral RNA extracted from reovirus particles [ [Select] infection after transfection into a permissive cell. It [Select] infection after transfection into a susceptible cell. initiate an initiate
of Poxviruses are unusual among DNA viruses because their replication cycles takes place entirely in the host cell cytoplasm. How can these viruses carry out genome replication and transcription of viral genes without going to the nucleus? Briefly explain. Edit View Insert Format Tools Table 20px v Paragraph v へへヘ .V8:11 EEO 1I0 & %24 9 6 n d k 4
ss (-) RNA viral genome RNA polymerase RNA-dependent # O dsRNA O dsDNA. RNA-dependent RNA polymerase Coples (-) RNA strand transcription Copies (-) RNA strand. 80 ss (+) RNA S5 FA viral translation protein (+)RNA (viral mRNA) RNA-dependent RNA polymerase Copies (+) RNA strand. What type of virus is replicating in the picture? (-)ssRNA (+)ssRNA % C wil ss (-) RNA viral genome <(C 16 & 7
U UUU UAU 11yr Phe UUC UUA Leu UUG Jle UCU UCC UCA UCG UGU UGC Cys UGA Stop UAG Skop UGG Trp UAC Ser UAA Stop CUU CUC CỦA CUG CAU JHis CAC CGU CGC CGA CGG CCC Leu Pro Arg ССА Delete CCA CG CAA CAG JGIN Gln AUU AUC le AUA AUG Met AGU 1 Ser AGC AGA AGGJArg 1. ACU ACC The ACA ACG AAU M AAC AAA AAG Jlys JAun ATG AAC TAC CTA GGG ACA GAU JAsp GAC GAA GAG JGlu GUU GUC Val G GUA GCU GCC GCA Ala GCG GGU GGC Gly ATG ACC TAG GGA CA GGA GGG GUG G. Compare translation before and after the deletion. What effect might it have on gene function? Asp Daspartic acid lleI isolcucine Thr T threonine Leu L leucine Ser S serine Туr Y tyrosine Glu E glutamic acid Phe F phenylalanine Pro P proline His H histidine Lys K Arg R Gly G glycine lysine Ala A alanine arginine Cys C cysteine Trp W tryptophan Val V valine Gln Q glutamine Met M methionine Asn N asparagine Second Position UGU 1Cy UCU UCC Ser UCA UG UUU Phe UAU UAC Ty UAA Slop UGA Stop UAG Slop UGG Trp UGC UUC U UUA Leu ] low UUG CUU CÚC A Leu CCU CCC Pro…