Which of the following is NOT a cytopathic effect of viruses?
A) cell death
B) host cells fusing to form multinucleated syncytia
C) inclusion bodies forming in the cytoplasm or nucleus
D) increased cell growth
E) toxin production
E
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Bacteriophages carry portions of bacterial DNA from one cell to another in a process called
A. transduction. B. infection. C. conjugation. D. transformation. E. replication.
Which microscope would be used to view cell structures within ultrathin sections of cells?
A. Lightmicroscopes (Can be any) B. Scanning electron microscope C. Transmission electron microscope
Some of the functions of proteins include:
A) growth factors B) regulation C) all of the choices are correct D) antibodies
Two parents who do not have sickle cell anemia have a child that has the disease. The parents are both:
A. homozygous for the sickle cell allele. B. heterozygous for the sickle cell allele. C. homozygous for the normal allele. D. pleiotropic for the sickle cell allele. E. epistatic for the sickle cell allele.