A sea star suffers from an infection that affects its ampullae. Due to the infection, the ampullae no longer function. What do you predict will be the effect on the sea star?
A. No noticeable effect will occur.
B. The sea star will be unable to reproduce.
C. The sea star will be unable to extend its tube feet.
D. The sea star will be unable to store energy.
C. The sea star will be unable to extend its tube feet.
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The first and best-known DNA amplification technique is ________.
A) the polymerase chain reaction B) Okazaki synthesis C) Sanger sequencing D) next-generation sequencing
Four of the following are shared characteristics of parabasalids and diplomonads. Which is the exception?
a. heterotrophy b. flagella c. oxygen-poor or anaerobic habitats d. abundant mitochondria e. presence of a pellicle
At what stage of mitosis do sister chromatids become full-fledged chromosomes?
A. cytokinesis B. telophase C. anaphase D. metaphase E. prophase
Humans become infected with Toxoplasma gondii primarily by
A) being bitten by a tick. B) direct skin penetration. C) ingesting food or water contaminated with cysts. D) ingesting meat containing the parasite. E) intimate contact with another person.