Bacteriophage replication differs from animal virus replication because only bacteriophage replication involves
A) adsorption to specific receptors.
B) assembly of viral components.
C) replication of viral nucleic acid.
D) injection of naked nucleic acid into the host cell.
E) lysis of the host cell.
D
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After fertilization, the zygote undergoes a round of divisions in a process called ____
Fill in the blank with the appropriate word.
A patient has a serious respiratory infection. A sputum sample yielded a bacterium that did not have any peptidoglycan. You hypothesize that the identity of this microbe could possibly be ________.
A. Mycobacterium tuberculosis B. Staphylococcus aureus C. Borrelia burgdorferi D. Mycoplasma pneumoniae E. Streptococcus pneumoniae
Bacteriophages can be used as vectors in recombinant DNA experiments because they
A) are small and made of double-stranded DNA. B) are circular and easily imported into bacteria or yeast. C) insert their genetic material into bacteria. D) are resistant to protective restriction systems.
This does not apply to ribosomes
A. Prokaryotes and eukaryotes have different ribosomes B. Ribosomes are made of protein and RNA C. Ribosomes are made of two subunits D. Ribosomes are site of translation E. All apply to ribosomes