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. Malaria is transmitted by:
a. The bite of a tsetse fly
b. The bite of a mosquito
c. The bite of a sand fly
d. The bite of a kissing bug
e. Ingesting food
Answer: b. The bite of a mosquito
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Microarray analysis is used to
A. determine the size of gene fragments after digesting with restriction endonucleases. B. analyze an organism's entire genome. C. determine which genes are being expressed in an organism. D. analyze an individual's single nucleotide polymorphisms.
The blood pressure is lowest in the _____
A) aorta B) arteries C) arterioles D) left ventricle of the heart E) vena cava
The letter “A” in the above figure is
a. the epidermis. b. the sweat gland. c. the dermis. d. the hypodermis. e. none of the above.
Potassium ions are at a high concentration inside of cells including neurons
a. true b. false