Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 21, Problem 20RQ
Which of the following is not associated with prions?
- Replicating shapes
- Mad cow disease
- DNA
- Toxic proteins
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Which of the following is not associated with prions? a. Replicating shapes b. Mad cow disease c. DNA d. Toxic proteins
Which of the following describes why soap is effective at killing animal virus particles
Soap Disrupts DNA replication
Soap Disrupts RNA replication
Soap Disrupts the envelope of the virus
Soap Denatures proteins
Part A: Antibiotic resistance is a major health concern. Resistance to various antibiotics can be transferred by
all options.
transduction.
conjugation.
transformation.
Part B: Movement of genetic information through transduction requires that
free DNA is available in the environment.
physical contact occurs between cells.
transposable elements occur in a chromosome.
viruses have infected a cell.
Chapter 21 Solutions
Biology 2e
Ch. 21 - Figure 21.5 Which of the following statements...Ch. 21 - Figure 21.8 Influenza virus is packaged in a viral...Ch. 21 - Figure 21.10 Which of the following statements is...Ch. 21 - Which statement is true? A virion contains DNA and...Ch. 21 - The viral______play(s) a role in attaching a...Ch. 21 - Viruses. all have a round shape cannot have a long...Ch. 21 - The observation that the bacteria genus Chlamydia...Ch. 21 - A scientist discovers a new virus with a linear,...Ch. 21 - Which statement is not true of viral replication?...Ch. 21 - Which statement is true of viral replication? In...
Ch. 21 - Which statement is true of reverse transcriptase?...Ch. 21 - Oncogenic virus cores can be. RNA DNA neither RNA...Ch. 21 - Which is true of DNA viruses? They use the host...Ch. 21 - A bacteriophage can infect the lungs viruses...Ch. 21 - People with the CCR5?32 mutation of a T-cell...Ch. 21 - An apple grower notices that several of his apple...Ch. 21 - Which of the following is NOT used to treat active...Ch. 21 - Vaccines. are similar to viroids are only needed...Ch. 21 - A patient presents at the clinic with an acute...Ch. 21 - Which of the following is not associated with...Ch. 21 - Which statement is true of viroids? They are...Ch. 21 - The first electron micrograph of a virus (tobacco...Ch. 21 - Varicella-zoster virus is a double-stranded DNA...Ch. 21 - Classify the Rabies virus (a rhabdovirus family...Ch. 21 - Why can’t dogs catch the measles?Ch. 21 - One of the first and most important targets for...Ch. 21 - In this section, you were introduced to different...Ch. 21 - Although plant viruses cannot infect humans, what...Ch. 21 - A bacteriophage with a lytic life cycle develops a...Ch. 21 - Why is immunization after being bitten by a rabid...Ch. 21 - The vaccine Gardasil that targets human papilloma...Ch. 21 - Prions are responsible for variant Creutzfeldt...Ch. 21 - How are viroids like viruses?Ch. 21 - A botanist notices that a tomato plant looks...
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- What is the function of innate restriction enzymes in bacteria? • All of the answers are correct defense mechanism from phages • allow cells attach foreign DNA antibiotic resistance • cut up DNA strandsarrow_forwardWhat is the difference between bacteria and viruses? Bacteria are non-living pieces of DNA or RNA; viruses are single-celled organisms Viruses are killed by antibiotics; bacteria are killed by probiotics Bacteria are harmful and are the cause of major human diseases; viruses are often helpful and can kill harmful bacteria Bacteria are single-celled organisms capable of survival and reproduction on their own; viruses cannot survive and replicate without a host cellarrow_forwardBacteria contains - 1) double stranded RNA 2) single linear DNA 3) no RNA 4) single circular DNAarrow_forward
- The kind of DNA you inherit only from your mother (because only eggs have it, sperm don't have it) is called: Group of answer choices messenger DNA transfer DNA maternal DNA mitochondrial DNAarrow_forwardWhich of the following can be said of the genetic effects of gamma rays and cosmic rays? (mark all the answers that apply) They can repair thymine dimers They can cleave one or both of the DNA strands. They can fuse DNA strands together. They cause free radicals to form, which can damage DNA. They penetrate deeply into tissues.arrow_forwardWhich statement is true? A virion contains DNA and RNA. Viruses are acellular. Viruses replicate outside of the cell. Most viruses are easily visualized with a light microscope.arrow_forward
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