If light were prevented from reaching the right side of both retinas, which of the following would
occur?
a. The right half of the visual field would be lost.
b. Only the left cerebral hemisphere would be stimulated by the light.
c. No information about the light would be carried in the left optic nerve.
d. The left half of the visual field would be lost.
e. Sight would be lost.
D
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Which of the following best describes the neuroendocrine-to-endocrine pathway of hormone action?
A) A neural organ that produces hormones regulates another gland through the release of hormones into the circulation that travel to the affected gland. B) A neural organ that produces hormones releases its hormones directly into another gland that it regulates. C) A gland releases hormones directly into a neural structure, thus regulating neural functions. D) A gland exhibits negative feedback on the nervous system by releasing hormones into neural tissue both directly and indirectly through the circulation .
Coloration in the peppered moth (Biston betularia) is determined by a single gene with two alleles showing complete dominance. Dark moths are homozygous dominant or heterozygous for the gene, light moths are homozygous recessive. In a sample of 100 moths, you determine that 64 of the moths are dark. According to the Hardy-Weinberg rule, the expected frequency of the dominant allele is ___.
A. 0.4 B. 0.36 C. 0.6 D. 0.64 E. cannot be determined 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 the Hardy-Weinberg principle? 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?
Ionic bonds
A. result from sharing electrons. B. are the weakest chemical bonds. C. result from like charge attraction. D. result from transferring electrons. E. always involve carbon.
If two phenotypically normal parents have six children, and two daughters and two sons have the same genetic
disorder, that disorder is most likely to be ____. a. hemophilia b. cystic fibrosis c. Marfan syndrome d. muscular dystrophy e. color blindness