Campbell Essential Biology with Physiology (5th Edition)
5th Edition
ISBN: 9780321967671
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece, Kelly A. Hogan
Publisher: PEARSON
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Chapter 10, Problem 10SQ
How do some viruses reproduce without ever having DNA?
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Chapter 10 Solutions
Campbell Essential Biology with Physiology (5th Edition)
Ch. 10 - A molecule of DNA contains two polymer strands...Ch. 10 - Name the three parts of every nucleotide.Ch. 10 - Which of the following correctly ranks nucleic...Ch. 10 - A scientist inserts a radioactively labeled DNA...Ch. 10 - The nucleotide sequence of a DNA codon is GTA....Ch. 10 - Describe the process by which the information in a...Ch. 10 - Match the following molecules with the cellular...Ch. 10 - A geneticist finds that a particular mutation has...Ch. 10 - Scientists have discovered how to put together a...Ch. 10 - How do some viruses reproduce without ever having...
Ch. 10 - HIV requires an enzyme called _____ to convert its...Ch. 10 - A cell containing a single chromosome is placed in...Ch. 10 - In a classic 1952 experiment, biologists Alfred...Ch. 10 - Interpreting Data The graph below summarizes the...Ch. 10 - Prob. 15BSCh. 10 - Prob. 16BSCh. 10 - Flu vaccines have been shown to be safe, are very...
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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_forwardIn the process of transformation 1) cells take up DNA from their environment 2) DNA is transferred between cells using a sex pilus 3) DNA "jumps" from one location to another in the genome 4) DNA is transferred to a cell via viral infection 5) cells enter a dormant statearrow_forwardWhat is the function of reverse transcriptase in retroviruses? a) It converts viral RNA into double-stranded DNA Ob) It uses viral RNA as a template for making complementary RNA strands Oc) It translates viral RNA into proteins d) It uses viral DNA as a template for RNA synthesisarrow_forward
- Viruses are made up of the same biomolecules as cellular organisms (DNA, RNA, proteins, lipids, etc.), which are synthesized through enzymatic dehydration reactions from building blocks and disassembled by enzymatic hydrolysis. They infect cells and replicate themselves using resources from the host cells. Scientists discovered a previously unknown strain of virus in the tropical Pacific Ocean and it can infect higher-order eukaryotes. Initial analysis revealed that the virus is mainly composed of nucleic acids, proteins, and lipids. Chemical analysis after complete hydrolysis revealed the following building blocks (by weight): Chemical components Nucleosides Amino acids Lipids, phosphates, and carbohydrates Percentage by weight 20 30 50 Analysis of percentages of nucleosides yielded the following results (by molar ratio): Nucleosides A G T C U Percentage by mole 19 29 19 29 4 Which of the following events mostly involves hydrolysis reaction after the virus infects…arrow_forwardWhat does a bacteriophage accomplish with lysogeny? O 1) it allows the bacteriophage to destroy the host cell's DNA. 2) it enables the bacteriophage to take over the cell. O 3) it speeds up the viral infection cycle. 4) it allows the bacteriophage to infect cells it would not normally infect. O 5) the genetic material of the bacteriophage can be passed on to future generations of infected cells.arrow_forwardWhich of the following statements about viruses is true?a) They contain DNAb) They contain RNAc) They contain proteind) They are susceptible to lipid solventsarrow_forward
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