Campbell Biology in Focus (3rd Edition) - Chapter 017
Quiz Bank Question & Answers 2023 VERIFIED
Viral Genome consists of correct answers double-stranded DNA, single-stranded DNA, double-stranded
RNA, or single-stranded RNA.
Capsid is the correct answers protein shell enclosing the viral genome.
Viral Envelope is a correct answers membrane, derived from membranes of the host cell, that cloaks the
capsid, which in turn encloses a viral genome.
Bacteriophage, which is also called phage, are correct answers viruses that only infect bacteria.
Host Range is the correct answers number, or types of cells or organisms, it is able to attack.
Lytic Cycle is when the correct answers host cell dies and the bacterium lyses, or breaks open, and
releases the phages that were produced within the cell.
Virulent Phage is a correct answers phage that reproduces only by the lytic cycle.
Lysogenic Cycle allows correct answers replication of the phage genome without destroying the host by
coexist with them in a state called lysogeny.
Temperate Phage is a correct answers phage that is able to replicate either by lytic cycle or lysogenic
cycle.
Prophage is a correct answers phage genome that was inserted into a specific site on a bacterial
chromosome; is also a viral DNA.
Restriction Enzymes recognizes correct answers foreign DNA and cuts it into pieces, restricting a phage's
ability to replicate within the bacterium.
Retrovirus is a correct answers RNA virus that replicates by transcribing its RNA into DNA, then inserting
the DNA into a cellular chromosome.
Reverse Transcriptase correct answers An enzyme encoded by some certain viruses (retroviruses) that
uses RNA as a template for DNA synthesis.
Human Immunodeficiency Virus (HIV) correct answers a virus that attacks the immune system
Acquired Immunodeficiency Syndrome
(AIDS) correct answers a disease in which the immune system is weakened by the HIV virus
Vaccine correct answers A harmless variant or derivative of a pathogen that stimulates a host's immune
system to mount defenses against the pathogen
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