Water can dissolves compounds made up of _________ __________ molecules.
Fill in the blank(s) with the appropriate word(s).
Answer: non-polar, covalent
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Several members of the Fitzsimmons family have polydactyly, and they differ in their numbers of extra fingers and toes. Yet, certain relatives who should have extra digits don't, such as Megan Fitzsimmons. She has two children, a son with two extra fingers and a daughter with an extra toe, and her father has an extra digit on each hand and foot. Polydactyly in this family is
A) variably expressive and incompletely penetrant. B) invariably expressive and completely penetrant. C) pleiotropic and a phenocopy. D) dominant and recessive.
In most eumetazoans the outermost tissue layer during development is the
a. mesoderm. b. epiderm. c. mesoglea. d. endoderm. e. ectoderm.
Gibberellin-stimulated cell elongation occurs via cell wall acidification
____________________ Indicate whether the statement is true or false.
Which of the following statements best explains why microbial geneticists initially focused on regulation of gene expression at the transcriptional, rather than the translational, level?
A. Cellular regulation of transcription is common to all prokaryotic cells. B. The process of transcription was best understood by researchers at the time. C. The process of synthesizing an mRNA transcript is much less complex than translation of mRNA into protein. D. By regulating the first step of protein synthesis, cells conserve the greatest amount of energy.