In his book Principles of Geology, Lyell argued that:
What will be an ideal response?
Ans: the Earth is ancient, sculpted by gradual geologic processes that continue today.
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Chloroplasts utilize light energy to make ____
a. carbohydrates b. fats c. proteins d. nucleic acids e. steroids
Keratins are structural proteins in skin, hair, and fingernails. One gene, called KRT10, is located on the 17th paired chromosome in humans. It produces a keratin that strengthens skin cells. Researchers have identified several mutations that can lead to rough, damaged, blistering skin because the keratins are not as strong as normal. Each mutation changes a specific amino acid at a particular location in the protein, and so is an example of a(n) mutation.
A. missense B. duplication C. insertion D. nonsense E. frameshift
Signs and symptoms of significant cyanide exposure include:
A) tachypnea. B) bradycardia. C) hypertension. D) hot, dry skin.
Which of the following terms accurately describes the replication of DNA in vivo?
A) dispersive B) semidiscontinuous C) conservative D) nonlinear E) nonreciprocal