Anabolic reactions do not ________.
Fill in the blank(s) with the appropriate word(s).
release energy
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In SDS–polyacrylamide gel electrophoresis proteins are partially denatured and separated entirely as a function of their mass
Histones are an exception; they migrate more slowly than they should, as though they are much larger than they actually are. Why does this occur? A. Histones form dimers and tetramers, making them appear larger. B. Histones are heavily glycosylated, greatly adding to their mass. C. Histones have a large number of positively charged amino acid residues. The binding of SDS to the histones is not sufficient to mask these charges, resulting in slower migration. D. Histones have an affinity for polyacrylamide. E. Histones are somewhat insoluble, which slows their passage through the gel.
Rhodophyta are ____algae
a. brown b. red c. golden d. green e. blue-green
Mendel selected seven traits to analyze in his famous pea plant crosses, and all of these traits yielded expected 3:1 phenotypic F2 ratios in monohybrid crosses. He was fortunate in his selection of these traits
How so? What problem might he have encountered that may have yielded confusing ratios?
Sex pilus(i) is/are
A. similar to fimbria(e) B. proteins that form the outermost cell envelope of broad spectrum of bacteria C. specialized appendage(s) that binds mating prokaryotes together for DNA transfer D. specialized appendage(s) that are found only on gram-positive bacteria