Problem 11
__________ are to proteins as ________ are to nucleic acids. a. Sugars; lipids b. Sugars; proteins c. Amino acids; hydrogen bonds d. Amino acids; nucleotides
Problem 12
A denatured protein has lost its _________ . a. hydrogen bonds b. shape c. function d. all of the above
Problem 13
Match the terms with their most suitable description. $$ \text {hydrophilic } \quad \quad \text {a. protons \(>\) electrons} $$ $$ \text {atomic number } \quad \quad \text {b. number of protons in nucleus} $$ $$ \text {hydrogen bonds } \quad \quad \text {c. polar; dissolves easily in water} $$ $$ \text {positive charge } \quad \quad \text {d. collectively strong} $$ $$ \text {negative charge} \quad \quad \text {e. protons \(<\) electrons} $$ $$ \text {temperature } \quad \quad \text {f. measure of molecular motion} $$ $$ \text {\(\mathrm{pH}\) } \quad \quad \text { g. decays} $$ $$ \text {covalent bond} \quad \quad \text {h. electron sharing} $$ $$ \text {radioisotope } \quad \quad \text {i. reflects \(\mathrm{H}^{+}\) concentration} $$
Problem 14
Match the molecules with the best description. $$ \text {WaX } \quad \quad \text {a. protein primary structure} $$ $$ \text {starch } \quad \quad \text {b. an energy carrier} $$ $$ \text {triglyceride} \quad \quad \text {c. water-repellent secretions} $$ $$ \text {DNA } \quad \quad \text {d. richest energy source} $$ $$ \text {polypeptide} \quad \quad \text {e. sugar storage in plants} $$ $$ \text {\(\mathrm{ATP}\) } \quad \quad \text {f. sugar storage in animals and fungi} $$ $$ \text {glycogen} \quad \quad \text { g. carries heritable information} $$
Problem 15
Match the molecules with the best description. $$ \text {protein } \quad \quad \text {a. phosphate, fatty acids} $$ $$ \text {phospholipid } \quad \quad \text {b. amino acids, sugar(s)} $$ $$ \text {glycoprotein} \quad \quad \text {c. glycerol, fatty acids} $$ $$ \text {fat } \quad \quad \text {d. nucleotides} $$ $$ \text {nucleic acid} \quad \quad \text {e. glucose onlys} $$ $$ \text {cellulose } \quad \quad \text {f. sugar, phosphate, base} $$ $$ \text {nucleotide} \quad \quad \text { g. amino acids} $$ $$ \text {Sucrose} \quad \quad \text {h. glucose, fructose} $$
