The pattern of G-bands on each member of a homologous pair of chromosomes is usually different. Indicate whether the statement is true or false
F
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Bioterrorism is a term used to describe the act of using:
a. horrific events to deliver harm to living beings. b. microorganisms to harm the civilian pop-ulation intentionally. c. microorganisms to wage war in peacetime. d. living beings to wage war in peacetime.
In 1908 Orla-Jensen suggested that bacteria be grouped according to their
A. arrangement. B. morphology. C. physiology. D. Gram stain.
Which of the following is an advantage of molecular pharming compared to expression of mammalian proteins in bacteria?
A. Mammalian and bacterial genes use different genetic codes. B. Mammals are easier to grow in the lab than bacteria. C. Molecular pharming is cheaper than growing bacteria. D. Proteins are more likely to function properly when expressed in mammals. E. Post-translational modifications do not occur in mammals.
In the early 1900s, many people, particularly in the southern U.S., suffered from infections
with parasitic hookworms. Many of these hookworms feed on blood cells of the host and thus also consume iron that is found in red blood cells. A symptom of a heavy infection is a craving to eat dirt—particularly clay-like soils with a high iron content. Thus, for these people, iron is a __________.
a. tradeoff b. constraint c. part of the organism’s niche d. nonlimiting resource