Which observations illustrate shared ancestry by anatomical comparison studies? Check all that apply.A) The same structure has evolved to carry out different functions.B) Different structures evolve in similar ways when subjected to the same selective pressures.C) A structure becomes vestigial.D) Features are similar during embryonic development.
What will be an ideal response?
A, C, D
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Microarray analysis is used to
A. determine the size of gene fragments after digesting with restriction endonucleases. B. analyze an organism's entire genome. C. determine which genes are being expressed in an organism. D. analyze an individual's single nucleotide polymorphisms.
While touring the ancient Egypt exhibit at the local history museum, you learn that ancient Egyptians would slash figs in order to stimulate ripening. Based on your knowledge of plant hormones you hypothesize that wounding the figs must release:
A. abscisic acid. B. gibberellin. C. indoleacetic acid. D. ethylene. E. cytokinin. 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 fruit ripening? 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?
Rheumatoid arthritis is caused by____
a. a deficiency of antibodies b. inability to respond to antigenic stimulation c. a virus d. a self-attack on blood cells e. a self-attack on joints
Blood flow distribution can be adjusted by changing the diameter of the ____
a. arteries b. capillaries c. arterioles d. veins e. venules