Cilia (select all correct choices):
A. are specialized organelles found on some
epithelial cells.
B. are used by epithelial cells to move
substances along cell surfaces.
C. are used by sperm cells for motion.
D. None of these choices are correct.
A,B
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In the figure, when new viruses are being assembled at the point marked IV, what mediates the assembly?
A) host cell chaperones B) assembly proteins coded for by the host nucleus C) assembly proteins coded for by the viral genes D) viral RNA intermediates E) nothing; they self-assemble
The pH at which most fungi thrive is
A. 3.0. B. 5.0. C. 7.0. D. 8.0.
Individuals involved in relatively minor accidents may suffer cuts and bruises but generally do not suffer from excessive blood loss. What features does blood possess that limit blood loss during minor accidents?
What will be an ideal response?
In eukaryotes there are several different types of RNA polymerase. Which type is involved in transcription of mRNA for a globin protein?
A) RNA polymerase I B) RNA polymerase II C) RNA polymerase III D) primase