BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 19, Problem 5SA
Summary Introduction
Introduction:
A virus is a noncellular infectious particle. It replicates only inside a living cell. Their genome consists of
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Chapter 19 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 19 - ________ can have a genome of either RNA or DNA....Ch. 19 - Peptidoglycan is seen only in cell walls of...Ch. 19 - In _______, viral DNA becomes integrated into a...Ch. 19 - Prob. 4SACh. 19 - Prob. 5SACh. 19 - Prob. 6SACh. 19 - Prob. 7SACh. 19 - _______ are oxygen-releasing photoautotrophs. a....Ch. 19 - Prob. 9SACh. 19 - Vitamin-producing E. coli cells in your gut are...
Ch. 19 - Prob. 11SACh. 19 - Prob. 12SACh. 19 - Eukaryotes are most closely related to _______. a....Ch. 19 - Match each disease with the type of pathogen that...Ch. 19 - Prob. 15SACh. 19 - Prob. 1CTCh. 19 - Methanogens have been found in the human gut and...Ch. 19 - Review the description of Fred Griffiths...Ch. 19 - The antibiotic penicillin interferes with...Ch. 19 - Many compounds secreted by soil bacteria have been...
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- The envelope of an animal virus is usually derived from the _____ of its host cell. a. cell wall c. capsule b. plasma membrane d. receptorsarrow_forwardThe viral envelope is made up of _______. A. Lipids and Proteins B. Proteins C. Glycoproteins D. AOTA E. NOTAarrow_forwardViruses in the Herpesviridae family are double-stranded DNA enveloped viruses. Specifically the virus Varicella can cause chickenpox, which when in adults is called ___________. This can exist as a ____________ in the DNA of host cells. Select one: a.herpes/ Provirus b.measles/ Provirus c.Shingles / Prophage d.None of the Above e.Shingles / Provirusarrow_forward
- In general, zoonotic viral diseases are ________ in humans.a. mild and asymptomatic b. self-limited c. severe and systemic d. not contagiousarrow_forwardIn general, RNA viruses multiply in the cell __, and DNA viruses multiply in the cell __. a. nucleus, cytoplasm b. cytoplasm, nucleusc. vesicles, ribosomes d. endoplasmic reticulum, nucleoluarrow_forwardThe viral ________ plays a role in attaching a virion to the host cell.a. coreb. capsidc. enveloped. both b and carrow_forward
- The --------------- retrovirus contains a ______________ genome: Select one: a. chicken pox, circular DNA b. Sars CoVII, double-stranded RNA c. measles, double-stranded DNA d. HIV, Single-stranded RNAarrow_forwardA prophage is a/an ___________stage in the cycle of ____________ .a. latent, bacterial virusesb. infective, RNA virusesc. early, poxvirusesd. late, enveloped virusesarrow_forwardIn order for a +ssRNA virus to undergo replication, it first needs to ________. a. translate -ssRNA from viral DNA. b. transcribe a copy of -ssRNA c. have RNA polymerase make copies directly from +ssRNA d. transcribe +ssRNA from host DNA e. translate viral proteins from the +ssRNA strand directlyarrow_forward
- Viruses are acellular because a. they are biological entities that do not have a cellular structure. b. they are known as virions that obtain their genetic materials from their host c. they are only fragments of non living material. d. None from choices a-carrow_forward7) The herpesviruses: a. Have three round of protein translation in its replication cycles, one before genome replication and two after genome replication b. Can have a persistent infection c. Nonearrow_forwardSymptoms of viral infections are caused by: (choose all that apply) A. Actions of the virus that result in cell damage or death B. Actions of the immune system that result in cell damage or death C. Changes in a cell's genetics that result in cancerarrow_forward
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