A) a molecule, but not a compound.
B) a compound, but not a molecule.
C) a molecule and a compound.
D) an atom and a molecule.
E) an atom, but not a molecule or compound.
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A) weak acid.
B) neutral.
C) weak base.
D) strong acid.
E) strong base.
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A) has a value of 7 on the pH scale.
B) is a chemical that adds hydrogen ions to a solution.
C) is a chemical that absorbs hydrogen ions from a solution.
D) has a value below 7 on the pH scale.
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A) a glucose molecule.
B) a fatty acid.
C) a nucleotide.
D) an amino acid.
E) four interconnected rings.
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A) a nucleotide.
B) a glucose molecule.
C) a fatty acid.
D) an amino acid.
E) four interconnected carbon rings.
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A) water's higher density compared to the air.
B) adhesion of your molecules with the water molecules.
C) water's high boiling point.
D) a neutral pH.
E) cohesion of the water molecules.
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A) unsaturated fats.
B) waxes.
C) carbohydrates.
D) proteins.
E) saturated fats.
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A) Na is the chemical symbol for chlorine.
B) sodium accepts an electron.
C) chlorine accepts an electron.
D) chlorine becomes positively charged.
E) both sodium and chlorine accept electrons.
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A) three R groups and a glycerol.
B) nitrogen, carbon, and an R group.
C) multiple saccharide rings.
D) carbon and phosphorus monomers.
E) carbon and phosphorus.
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A) Glycogen is the storage form of energy in animals.
B) Starch is the storage form of energy in plants.
C) Cellulose provides structural support for human hair.
D) Chitin provides an exoskeleton for insects.
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A) fats, waxes, carbohydrates, and amino acids.
B) carbohydrates, lipids, steroids, and monosaccharides.
C) lipids, fats, waxes, and steroids.
D) carbohydrates, lipids, proteins, and nucleic acids.
E) carbohydrates, proteins, amino acids, and nucleic acids.
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A) a triglyceride
B) a phospholipid
C) a wax
D) a sterol
E) a starch molecule
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A) It deactivates enzymes in the fire ant venom.
B) It raises the pH which crystallizes the fire ant venom.
C) It melts the lipids in the fire ant venom.
D) It turns the polysaccharides in the fire ant venom into monosaccharides.
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A) venom that detoxifies the fire ant venom.
B) more potent venom than the fire ant venom.
C) hard carapace that protects the crazy ants.
D) lipid that coats their skin.
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A) an atom that has gained electrons.
B) an atom that has a positive charge.
C) an atom that has lost electrons.
D) an atom that has a negative charge.
E) All answers are correct.
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A) hydrolysis.
B) dehydration synthesis.
C) reproduction.
D) hydrolysis and dehydration synthesis.
E) unrelated to chemical bonds.
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A) is generally a strong bond.
B) does not occur in living organisms.
C) does not require electron transfer.
D) forms between atoms having the same electronegativity.
E) is a specialized type of covalent bond.
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