All of the following are important roles of semen EXCEPT
a. to protect sperm.
b. to nourish sperm.
c. to fertilize sperm.
d. to help with sperm transport
C
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Malaria is caused by Plasmodium falciparum, a non-motile protist that contains a cluster of microtubules at one end of the cell. Once injected into the blood stream, these microtubules are used to attach to red blood cells. Plasmodium falciparum is which of the following?
a. A protozoa b. An algae c. A slime mold d. A diatom e. An apicomplexan
Which type of forensic evidence was available for scientists studying the case of the Romanovs?
A) fingerprint B) toxicology C) DNA D) footprint
Which of the following is not associated with every virus?
A. nucleic acid B. capsomers C. envelope D. Genome E. capsid
Which of the following cell types conducts water most rapidly through a plant?
A. Parenchyma cells B. Sclerenchyma cells C. Sieve tubes D. Phloem E. Vessel members