A microarray of thousands of DNA sequences stamped onto a glass plate is a
a. polysome.
b. DNA chip.
c. plasmid.
d. polygene.
e. DNA plate.
B
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A muscle precursor cell expressing the MyoD1 gene would be considered to be
A. pluripotent. B. determined. C. differentiated. D. totipotent. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about determination and differentiation? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Mannitol salt agar is selective for Staphylococcus aureus because this organism
A. is often resistant to methicillin. B. can withstand high salt concentration. C. is unique in its ability to ferment mannitol. D. can tolerate brief exposures to high temperature. E. can synthesize catalase.
On Figure 37-3, the part of the embryo that contains most of the food used by the embryonic plant during germination is labeled:
a. 2.
b. 3.
c. 4.
d. 5.
e. 6.
Compare and contrast the following pairs of related terms: gene and allele, genotype and phenotype, homozygous and
heterozygous. What will be an ideal response?