Which of the following is properly matched?
a. compact bone tissue; light weight
b. spongy bone; matrix of dense concentric rings
c. red marrow; mostly fat
d. yellow marrow; major site of blood cell
formation
e. none of these
Answer: e
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Migration, genetic drift, and mutation are like natural selection in that they:
A. result in evolution of a population. B. may alter the allele frequency in a population. C. may alter the genotype frequency in a population. D. are all methods of evolutionary change. E. All of the answer options are correct.
The model of life's origins, which posits that all of the necessary ingredients for the origin of life were present on early Earth, has been named after two early twentieth-century scientists. This model is called the ________ [two words] model
Fill in the blank(s) with correct word
According to the doctrine of natural rights:
A) people behave in ways that allow them to obtain favorable outcomes. B) all persons are created equal and are entitled to the same opportunities and protections. C) inalienable rights are considered to be self-evident and universal. D) inalienable rights cannot be surrendered by citizens to the sovereign.
This experiment employed a 1% agarose gel, and very large DNA fragments remained at the top of the gel. If a 0.1% agarose gel was used, instead of the 1% agarose gel, would the large DNA fragments migrate further down the gel?
A) Yes B) No