Hydrogenation is a chemical process that
a. turns liquid oil to solid fats.
b. turns amino acids into proteins.
c. turns DNA into lipids.
d. creates stable alternative energy sources.
e. does none of these.
Answer: a
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A principle advantage of sexual reproduction is that it ________
A) reduces linkage disequilibrium B) helps to recreate genotypes that are either rare or missing in a population, but are favored by selection C) regenerates genotypes in the evolutionary "arms race" between parasites and hosts D) All of the above.
Skin is sometimes referred to as the largest organ of the body. Why is skin considered to be an organ and not a tissue or some other structure?
A) Skin consists of multiple cell types functioning as a single integrated unit. B) Skin consists of multiple tissue types that cooperate to perform a specific task. C) Skin is a vital component of multiple organ systems. D) Skin consists of a single cell type.
During this stage of mitosis, the chromosomes become attached to the spindle at their kinetochores.
A. anaphase B. metaphase C. telophase D. prophase E. prometaphase
Tertiary and quaternary structure of proteins involves ________ bonds
A) hydrogen B) ionic C) polar covalent D) nonpolar covalent E) ionic, hydrogen, polar, and nonpolar covalent