BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 19, Problem 4SA
Summary Introduction
Introduction:
A virus is a non-cellular infectious particle that replicates only inside a living cell. Their genome consists of
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The HIV virus produces copies of its genome through:
A.
DNA replication
B.
Reverse transcription followed by integration then normal transcription
C.
RNA replication from an RNA template
D.
differential splicing
Which of the following enzymes helps the +sense RNA virus Poliovirus to make multiple copies of its genome?
A.
RNA dependent RNA polymerase
B.
RNA dependent DNA polymerase
C.
Reverse transcriptase
D.
DNA Polymerase I
E.
DNA dependent RNA polymerase
95) The herpesviruses:
a. Can have an abortive infection
b. Have three round of protein translation in its replication cycles, one before genome
replication and two after genome replication
c. Can have a persistent infection
d. the CD4 is the major receptor
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 viral envelope is made up of _______. A. Lipids and Proteins B. Proteins C. Glycoproteins D. AOTA E. NOTAarrow_forwardInfluenza viruses use to replicate its genome whereas retroviruses use before they can integrate their genome into the host DNA. A. reverse transcriptase; RNA dependent RNA polymerase B. RNA dependent RNA polymerase; reverse transcriptase C. replicase; DNA polymerase D. DNA polymerase, replicasearrow_forwardIf the HIV did not have a reverse transcriptase enzyme, then which of the following would apply? Select one: a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA into DNA b. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is an RNA virus and needs to assemble RNA ant coat proteins together c. The virus will manufacture its proteins from its RNA using translation and ribosomes from host cell d. Provirus will not be formed and assembly of viral particles will never occur e. The virus will not be able to recognise the host cell and therefore entry into the cell is blockedarrow_forward
- In _____________, a bacteriophage may accidentally package random bacterial DNA and move it into a new recipient bacterial cell. Select one: a.conjugation b.transduction c.transcription d.transformation e.replicationarrow_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_________5. It is a eukaryotic cells that contains also plasmids and use to produce desirable proteins. A. Bacillus thuringiensis B. E. coli C. Saccharomycetes cerevisiaearrow_forward
- The lytic replication cycle results in bacteriophage DNA integrated into the host genome. A. True B. Falsearrow_forwardPeople with the CCR5Δ32 mutation of a T-cell surface protein can be exposed to some strains of HIV-1 without becoming sick. What step of the virus life cycle is likely to be inhibited with this mutation? a. Release b. Reverse transcription c. Uncoating d. Attachmentarrow_forward19) Which of the following proteins would you expect a mutation in for a virus to infect a new host cell? RNA Dependent RNA polymerase/Reverse Transcriptase/DNA polymerase/etc. Hemagglutinin/Glycoprotein/GP120/etc. Fusion protein Capsid/Nucleocapsid proteins 20) The protein you chose in 19 you chose because it’s responsible for __________________________.arrow_forward
- Synthesis of proteins occurs by the process of A. replication B. cytokinesis C. translation D. ossification E. transcriptionarrow_forward_________4. It is a bacterial that contains plasmid use to produce desirable proteins for human consumptions A. Bacillus thuringiensis B. E. coli C. Saccharomycetes cerevisiaearrow_forwardWhich Class I element has likely experienced the greatest accumulation of mutations compared to its retrovirus ancestor, as its DNA sequence is the most divergent? A. LINES B. transposons C. Ac/Ds elements D. SINES E. LTR retrotransposonsarrow_forward
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