Red blood cells originate in the
a. liver.
b. spleen.
c. yellow bone marrow.
d. red bone marrow.
e. thymus gland.
Answer: d
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Genome sequencing of the parasitic protist Plasmodium falciparum has been completed. One of the results is
A. Plasmodium is highly genetically similar to its host, Anopheles. B. Plasmodium is highly genetically similar to its host, Drosophila. C. Plasmodium has a chloroplast-like apicoplast that could be targeted by drugs. D. Plasmodium produces fatty acids that are similar to ones found in humans and could be targeted by drugs.
Fatty acid methyl ester (FAME) analysis is particularly important in public health because in this application, microbiologists seek to identify specific microbial pathogens in _________.
A. patient samples B. genetic diseases C. genomic analysis D. food and water
The key specializations that occurred in the evolution of mammals include all of the following except
A. reduction in brain size. B. warm-bloodedness. C. digestive tract specialization. D. the presence of a placenta in most. E. different teeth suited to their diet.
If the isotope 32S has 16 protons and 16 neutrons, how many protons, neutrons, and electrons will the isotope 35S have, respectively?
(a) 16, 20, 15 (b) 16, 19, 15 (c) 16, 19, 16 (d) 16, 19, 17