Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Chapter 21, Problem 16RQ
An apple grower notices that several of his apple trees with
- The apple trees were infected by horizontal transmission
- The fungi carry disease
- The fungi attract disease-carrying insects
- The apple trees were infected by vertical transmission.
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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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- Which of the following is NOT a characteristic of viruses? they are smaller than prokaryotic cells Othey are acellular (no cellular structure) they are obligatory parasites. Othey are visible with a light microscope Savedarrow_forwardWhy is it especially important for plant viruses that they remain stable outside the plant?arrow_forwardWhat other symptoms can plant viruses cause?arrow_forward
- What kind of medicine is used to treat ringworm. Is this medicine synthetic or was it isolated from another fungal species? answer the following in 3-6 sentencesarrow_forwardMany scientists start believing that plant viruses may be responsible for human disorders. Yes or yes; explain.arrow_forwardWhy does the environmental conditions not really matter to the virus right now? In other words why can it still spread quickly even if it not in an enclosed and dry spaces?arrow_forward
- explain how does koch's postulates apply to the diagnosis of plant virus diseases today.arrow_forwardHow do you think warming global temperatures will affect these cold-associated viruses? 2) What impact could there be on the Antarctic ecosystem? 3) What impact could there be to humans?arrow_forwardHow are humans linked to the spread of the chytrid fungus that is killing off amphibians around the globe? We moved the chytrid fungus in the soil in pots of ornamental plants. We moved the chytrid fungus on our shoes when we hiked through forests around the world. We moved the chytrid fungus on frogs used for food and in pregnancy tests. We moved the chytrid fungus on cotton clothing. We moved the chytrid fungus on the domesticated animals we introduced to different countries, particularly chickens.arrow_forward
- Virus may have a broad or a narrow tropism. Explain what this means.arrow_forwardWhich of the following highly contagious viruses is a single-stranded ribonucleic acid (RNA) virus with a helical capsid and envelope and is transmitted by coming in contact with respiratory secretions? "This is a highly contagious respiratory illness transmitted when an infected person coughs or sneezes virus particles into the air," the health department said in a written statement. "It's so contagious that if one person is sick and spreading measles, nine out of 10 people around them who aren't immune will get it, too." Group of answer choices a. Measles b. Parvovirus c. Coxsackie virus A d. Rhinovirusarrow_forwardFill in the data table below about the Herpes virusesarrow_forward
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What Is A Virus ? ; Author: Peekaboo Kidz;https://www.youtube.com/watch?v=YS7vsBgWszI;License: Standard YouTube License, CC-BY