The class of macromolecules in microorganisms that contributes MOST to biomass is
A) carbohydrates.
B) DNA.
C) lipids.
D) proteins.
Answer: D
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In the equation ?G=?H-T?S, H is the
1.free energy. 2.temperature. 3.enthalpy. 4.entropy.
Which one of the following parts of the brain effectively links the nervous system and the endocrine system?
A) medulla oblongata B) cerebral cortex C) corpus callosum D) hypothalamus E) cerebellum
Which type of renewable energy makes the greatest contribution to the overall U.S. consumption of energy?
A. Bioenergy B. Hydropower C. Solar D. Wind E. Geothermal
Match the terms with the best description. _____ base pair substitution _____ promoter _____ polysome _____ exon _____ genetic code _____ intron _____ base pair deletion
a. protein-coding segment b. causes a shift in the mRNA reading frame c. may result in the replacement of one amino acid for another d. removed before translation e. many ribosomes translating the same mRNA f. complete set of 64 codons g. binding site for RNA polymerase