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In bacterial cells, ribosomes are packed into the cytoplasmic matrix and also loosely attached to the plasma membrane. What is the function of the ribosome?
Site of protein synthesis
Which of the following is NOT a mechanism for a cell to degrade its own cytosolic proteins
Phagocytosis and secondary lysosome fusion
The general order of classification below the domain or kingdom level is
Phyla, Class, order, family, genus, species
Which of the following influence the efficiency of an antimicrobial angent?
Concentration of the agent, duration of exposure, temperature
Viruses are subgrouped according to
Nucleic acid type (DNA or RNA), Nucleic acid strandedness (single or double), presence or absence of an envelope
A bacteriophage that can integrate its genome into the host chromosome and not cause lysis of the host cell is said to be
Viral capsids are generally constructed without any outside aid once the subunits have been synthesized. This process is called
the binomial system of nomenclature assigns each organism a scientific name consisting of
genus and species
Gram positive bacteria cells retain the primary stain whereas gram negative cells do not because
the alcohol reduces the ability of the outer membrane to help trap the stain in gram negative bacteria and the alcohol shrinks the pores of the thick peptidoglycan layer of gram positive cells thereby trapping the stain
in which of the following stages of the viral infectious cycle do enveloped viruses usually acquire their envelopes?
the reduction of the microbial population to levels that are considered safe by public health standards is called
Who of the following provided the evidence needed to discredit the concept of spontaneous generation?
The function of the viral protein coat is to
protect the viral genetic material and aid in the transfer of the viral genetic material between host cells
Which of the following is true about bergeys manual?
the first edition is mostly phenetic while the second edition is more phyletic
The term used to describe bacteria that are borderline between spherical and rod shaped is
Some complex viruses have icosahedral symmetry in the head region and helical symmetry in the tail. Overall, these viruses are said to have
cells with a relatively simple cell morphology that do not have a true membrane-delimited nucleus is called
an agent that specifically kills fungi but not other kinds of microorganisms is also known as a
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