Why is Graves’ disease dangerous? What will be an ideal response?
ANSWER: At first blush, the idea of having extra energy and racing metabolism may seem tempting to
many of us, and the excess of thyroid hormone that is associated with Graves' disease can
provide this. However, running your body this ‘fast' will also cause it to wear out more
quickly. You might liken it to a regular car versus a race car. Driven at low speeds, your car
engine will likely function for more than 100,000 miles. But a race car at high speeds only
lasts a few hundred miles. Thus, it is critical to slow the body down to assure a long and
healthy life.
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Bryophytes are found:
A. where roots do not provide an advantage. B. throughout the world. C. where vascular plants do not have a competitive advantage. D. on rocks and trunks of trees. E. All of the answer options are true of bryophyte habitats.
Which of the following statements about European digger wasps, Philanthus triangulum, is not correct?
A. These wasps live and nest in the sand. B. After mating, each female digs a burrow and lays her eggs in a few chambers at the end. C. After foraging for honeybees to feed her larvae, she finds her nest in the sand using her specialized olfactory sheet. D. After foraging for honeybees to feed her larvae, she finds her nest in the sand using local landmarks around the nest. E. The wasp is capable of learning.
Recent research has suggested that some pseudogenes and non-protein-coding DNA code for RNAs that affect transcription of coding regions. This suggests that
A. pseudogenes code for proteins. B. non-protein-coding DNA has no function. C. non-protein-coding DNA may regulate gene expression. D. pseudogenes have no function. 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 non-protein-coding DNA? 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?
Which of the following structures is not part of an operon?
A. structural gene B. operator C. regulator gene D. promoter E. All of these are part of an operon.