The chemical bond connecting one nucleotide with the next along one strand of a DNA molecule is called a
A. glycosidic bond.
B. hydrogen bond.
C. phosphate bond.
D. phosphodiester bond.
E. peptide bond.
D. phosphodiester bond.
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In an XX embryo, ____ inactivation of one X chromosome usually occurs when the embryo has about 32 cells
a. phenotypic b. inhibited c. cascading d. selective e. random
Which of the following statements about mutations is false? a. Most mutations are neutral or deleterious
b. Mutations are small scale changes in DNA. c. Mutations affect individuals but cannot be passed on to offspring. d. Mutations can improve an organism's adaptation to its environment.
Osmoreceptors detect
a. chemical substances. b. pressure changes. c. vibrational changes. d. light wavelengths. e. changes in solute concentration.
All of the following pertain to glycolysis EXCEPT
A) Occurs during formation B) Involves reduction of NAD C) Occurs without oxygen D) Degrades glucose to CO2 and H2O E) Ends with formation of pyruvic acid