Many arthropods are equipped with a highly organized central nervous system
a. True
b. False
ANSWER: True
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You recently identified a novel protein that contains several membrane-spanning domains. You would predict that the amino acids embedded in the membrane would have ____ side groups.
A. nonpolar B. negatively charged C. polar uncharged D. positively charged 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 amino acid side groups? 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 the Drosophila embryo, gap genes govern the partitioning of the anterior-posterior gradient into segments
A. true B. false
Hereditary retinoblastoma is the result of a(n) ________ in the RB gene of chromosome 13 in both homologues.
A) insertion B) duplication C) inversion D) point mutation E) deletion
Which proteins initiate transcription in eukaryotes by recognizing sequences within the promoter region of a gene and attracts RNA polymerase?
A. repressors B. transcription factors C. inducers D. poly-A tails E. TATA boxes