Acromegaly is the result of excessive secretion of which of the following by adults?
a. mineralocorticoid
b. glucocorticoid
c. thyroxine
d. testosterone
e. growth hormone
E
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As a population declines in size, what would you predict? Check all that apply.
_____ Loss of genetic variation. _____ More individuals with heterozygote advantage. _____ Deleterious alleles can become fixed due to chance. _____ Homozygosity within individuals in the population will decline. _____ The few remaining individuals will be tough, healthy and fertile. _____ If the environment changes, the population will adapt quickly. Additional: Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about population size and genetic diversity? 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?
Large gut populations of Bifidobacterium are associated with ____
a. peptic ulcers b. irritable bowel syndrome c. gastroesophageal reflux disease d. improved immune function e. increased vital capacity
Identify the contribution of Walter Sutton and Theodore Boveri to the science of genetics and explain its importance. What will be an ideal response?
Hypothesis I: A flavin pigment absorbs blue light; this pigment then activates the proton pump.Hypothesis II: When CO2 concentration rises, a membrane receptor inactivates the proton pump.Stomata rhythm in wheat under continuous light at 25°C.
A. Supports both hypothesis I and II. B. Supports only hypothesis I. C. Supports only hypothesis II. D. Supports neither hypothesis.