Essentials of Genetics (9th Edition) - Standalone book
9th Edition
ISBN: 9780134047799
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino
Publisher: PEARSON
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Chapter CHST2, Problem 4DQ
Prokaryotes and eukaryotes have both evolved mechanisms to defend against viral/foreign
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In prokaryotes, after the ribosomes completes a synthesis, one would expect to find:
a) a new protein molecule to appear in the nucleus, b) new DNA inside the cell nucleoid, c) an increase in the amount of protein (enzyme) in the cell, d) a, b, and c are possible, e) none are possible.
In prokaryotes, after the ribosomes completes a synthesis, one would expect to find
a) a new protein molecule to appear in the nucleus, b) a protein to form inside the Endoplasmic Reticulum, c) an increase in the amount of protein (enzyme) in the cell, d) a, b, and c are possible, e) none are possible.
If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins (glycoproteins) during processing in the Golgi
apparatus, which of the following processes is most likely to occur?
O A. Viruses released by that host cell would have a decreased ability to infect cells than the virus that originally infected the cell.
B. The virus-encoded protease would be unable to cleave large viral proteins into smaller, functional polypeptides.
OC. The virus would be unable to replicate within the host cell.
D. Viruses released by that cell are novel and would result in infections with higher mortality rates.
Chapter CHST2 Solutions
Essentials of Genetics (9th Edition) - Standalone book
Ch. CHST2 - What are some of the different roles that RNA...Ch. CHST2 -
2. What arguments support the RNA World...Ch. CHST2 - Prob. 3RQCh. CHST2 - How is bacterial DNA methylation and expression of...Ch. CHST2 - What are the three types of small noncoding RNAs...Ch. CHST2 - The mechanism for RNA-induced transcriptional...Ch. CHST2 - Although exRNAs are found in many fluids within...Ch. CHST2 - How and why are eukaryotic mRNAs transported and...Ch. CHST2 - The RNA World Hypothesis suggests that the...Ch. CHST2 - Bacterial sRNAs can bind to mRNAs through...
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- RNA-dependent RNA polymerase performs which of the following functions? O 1) Uncoats the viral genome 2) transcribes retroviral RNA genomes into DNA 3) Replicates RNA into RNA O 4) Replicates DNA into RNA 5) Shuttles RNA genomes into the nucleus for assemblyarrow_forwardCytopathic effects (CPE) are visible changes in cells due to: A)viral infection B)mutations C)bacterial infections D)the cell's genes are being expressedarrow_forward:) Choose the statement that correctly explains how an antibiotic that inhibits protein synthesis can be selective. A) Antibiotics bind to the 70S bacterial ribosomes but not to the 80S eukaryotic und al ribosomes. New Hod B) Eukaryotic cells are impermeable to these antibiotics so the antibiotics cannot enter them. 2) 13) 3) 4) C) Eukaryotic cells inactivate these antibiotics. D) Antibiotics prevent the synthesis of bacterial tRNAs but not eukaryotic tRNAs. Infection occurs when A) a person swallows microbes in/on food B) contaminants are present on the skin C) pathogens enter and multiply in body tissues D) a person inhales microbes in the air E) All of the choices are correct. niopmolds bas onszentr anotostat luniy (8 moitetai neosolong ( moitostai legat (C exoitootmi ovilegon-mang (3 Ampicillin, amoxicillin, mezlocillin, and penicillin G all A) target the cell wall B) have an expanded spectrum of activity C) have resistance to the action of penicillinase server ingrat at egub…arrow_forward
- Which term among A-D is not correctly matched with its definition? A) O Slime layer: loose assemblage of polysaccharide material external to the cell envelope B) O Polysome or polyribosome formation: multiple ribosomes binding to a messenger RNA transcript C) O Replisome: two of these complexes working in opposite directions are needed to copy the bacterial chromosome D) O Nucleoid: cytoplasmic area containing the bacterial chromosome E) OA-D are all correctly matchedarrow_forward(a) What is the function of inclusion bodies in prokaryotic cells?(b)Where are they present?(c) Give two examples of inclusion bodies.arrow_forwardThe process by which messenger RNA codes for the synthesis of a specific protein is called: a) replication b) transcription c) translation d) gene regulation Which statement is true about prokaryotes? A) they have no chromosomes b) they have chromosomes, but they are not membrane bound c) they have membrane bound chromosomes d) their chromosomes are made of RNA rather than DNA In a eukaryotic cell, most ATP is made in which location? A) nucleus b) mitochondria C) cytoplasm d) golgi apparatusarrow_forward
- Q: It has been found that some compounds, such as fungal toxins and some antibiotics, can inhibit the activity of RNA polymerase. What process is disturbed in the cell in the case of inhibition of this enzyme? a) replication b) transcription c) translation d) processing e) reparationarrow_forwardWhich is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasmarrow_forwardYou are studying a new retrovirus. The viral protein (X) appears to play a role in the export of the viral genomes to the cytoplasm. Protein X brings viral DNA to the cytoplasm and returns back to the nucleus after genome export is complete. Researchers have developed a new drug for the virus. Following treatment with the new drug, the viral protein stays in the nucleus and cannot export the viral genomes. What is the most plausible and logical function of the drug? Use your knowledge of nuclear transport to answer this question. O A. The drug inhibits the binding of the viral protein and the viral genomes to the import receptor. B. The drug inhibits the binding of Ran-GTP to the nuclear export receptor in nucleus. C. The drug promotes the Ran GAP activity. D. The drug blocks the NLS on the viral protein.arrow_forward
- What is the term used to describe the genome of a bacterial cell that has been infected by a phage utilizing lysogeny? O 1) nucleocapsid O 2) prophpage O 3) provirus O 4) lysogenome O 5) chromatidarrow_forwardIdentify the single most correct answer: a) Ribosome is an organelle found in both prokaryotes and eukaryotes. Ob) During conjugation a naked DNA molecule found in the surroundings gets into bacteria. c) Spontaneous mutation cannot result in the production of an altered protein. Od) Gene transfer from one species of bacteria to another (donor to recipient) represents horizontal gene transfer.arrow_forwardAccording to Philip Bell’s viral eukaryogenesis hypothesis, genes for DNA replication, RNA transcription, protein translation, and histone proteins were all provided by: an endosymbiotic gram-negative eubacterium an endosymbiotic archaeobacterium a gram-positive eubacterial host cell a double-stranded DNA virus an archaeobacterial host cellarrow_forward
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Prokaryotic vs. Eukaryotic Cells (Updated); Author: Amoeba Sisters;https://www.youtube.com/watch?v=Pxujitlv8wc;License: Standard youtube license