The Lyon hypothesis attempts to explain the molecular mechanism of _____
A. X-inactivation
B. Genomic imprinting
C. Maternal inheritance
D. Extra nuclear inheritance
A
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What characteristic would the R groups of amino acids have if they are located within the interior of biological membranes?
A. The R groups would be able to form ionic bonds. B. The R groups would be polar. C. The R groups would hydrophobic. D. The R groups would be hydrophilic. 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 know about proteins in membranes? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
In addition to their characteristic cilia, most ciliates contain two types of
A. nuclei. B. chloroplasts. C. flagella. D. wood-digesting enzymes. E. cysts.
Ovaries produce ____ to prepare the uterus prior to implantation of a fertilized egg
a. estradiol b. oxytocin c. progesterone d. prolactin e. estrogen
If a person had defective centromeres, which
of the following would result?
a. the DNA would not coil around histones b. DNA could not duplicate c. sister chromatids could not attach to each other d. the chromosome number would be reduced e. none of these would result