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Understand the properties of atoms, water bonding, pH, chemical reactions, polymer synthesis, and enzyme functions crucial for AP Biology.
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The combining properties of an atom depend on the number of • a. valence shells in the atom. • b. orbitals found in the atom. • c. electrons in each orbital in the atom. • d. electrons in the outer valence shell in the atom. • e. hybridized orbitals in the atom.
The combining properties of an atom depend on the number of • a. valence shells in the atom. • b. orbitals found in the atom. • c. electrons in each orbital in the atom. • d. electrons in the outer valence shell in the atom. • e. hybridized orbitals in the atom.
Which of the following has the greatest concentration of Hydrogen ions [H+]? • a. pH2 • b. pH3 • c. pH4 • d. pH5 • e. pH8
Which of the following has the greatest concentration of Hydrogen ions [H+]? • a. pH2 • b. pH3 • c. pH4 • d. pH5 • e. pH8
Which of the following best characterizes the reaction represented below? A + B + Energy AB • a. hydrolysis • b. catabolism • c. oxidation – reduction • d. exergonic reaction • e. endergonic reaction
Which of the following best characterizes the reaction represented below? A + B + Energy AB • a. hydrolysis • b. catabolism • c. oxidation – reduction • d. exergonic reaction • e. endergonic reaction
Polymers of polysaccharides, fats, and proteins are synthesized from monomers by a. connecting monosaccharide's together. b. the addition of water to each monomer. c. the removal of water [dehydration synthesis]. d. ionic bonding of the monomers. e. the formation of disulfide bridges between monomers.
Polymers of polysaccharides, fats, and proteins are synthesized from monomers by a. connecting monosaccharide's together. b. the addition of water to each monomer. c. the removal of water [dehydration synthesis]. d. ionic bonding of the monomers. e. the formation of disulfide bridges between monomers.
Which of the following statements regarding enzymes is false? a. Enzymes are proteins that function as catalysts. b. Enzymes display specificity for certain molecules to which they attach. c. Enzymes provide activation energy for the reactions they catalyze. d. The activity of enzymes can be regulated by factors in their immediate environment. e. An enzyme may be used many times over for a specific reaction.
Which of the following statements regarding enzymes is false? a. Enzymes are proteins that function as catalysts. b. Enzymes display specificity for certain molecules to which they attach. c. Enzymes provide activation energy for the reactions they catalyze. d. The activity of enzymes can be regulated by factors in their immediate environment. e. An enzyme may be used many times over for a specific reaction.
The lysosome has a high concentration of: a. enzymes. b. DNA. c. chlorophyll. d. ribosomes.