Hydrogen bonds and hydrophilic interactions are types of weak chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following organic groups are found in naturally occuring amino acids? Indole Imidazole Guanidinium ion All of these TRUE ANSWER : ? YOUR ANSWER : ?
If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? It will be attracted to water It will act as a buffer and stabilize the pH be repelled by water It will form a membrane in water TRUE ANSWER : ? YOUR ANSWER : ?
The strength of an acid depends on number of neutrons gain number of protons released electronegativity number of double bonds TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements about water is correct? All of these Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it It is critical for many of the chemical processes found in living systems TRUE ANSWER : ? YOUR ANSWER : ?
Most of the important functional groups in biological molecules contain oxygen and/or nitrogen and are polar oxygen and a phosphate oxygen and/or nitrogen and are acidic nitrogen and a phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements about covalently bonded molecules is false? Electrons are shared between the atoms that make up the molecule Noncovalent bonds may also be present, especially if the molecule is large Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong TRUE ANSWER : ? YOUR ANSWER : ?
The reason that fats contain more energy than simple sugars, is fats have many more hydrogen atoms carbon atoms covalent bonds hydrogen bonds TRUE ANSWER : ? YOUR ANSWER : ?
The dissociation constant of H2O at 25° C is 1014 M 10-7 M 107 M 10-14 M TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following character does not apply to water? The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The water molecule readily forms hydrophobic interactions TRUE ANSWER : ? YOUR ANSWER : ?