What kind of bond results from an unequal sharing of electrons? A. lonic bond B.

Question

What kind of bond results from an unequal sharing of electrons? A. lonic bond B. Polar covalent bond C. H bond Noepolar covalent bond E. B and D &. Ionic bonds result from a() A. equal sharing of electrons B. unequal sharing of electrons C a transfer of electronms from one atom to another D. the formation of ions E Cand D 9. Which interaction is most important in enhancing the solubility of macromolecules in water A. Hydrophobic interactions B. Nonpolar covalent bonds C. H bonds D. Van der Waals forces E. A and B Where are hydrophobic interactions most likely to occur? A. On the surface of a watter-soluble protein B. The core of a water-soluble protein C. In contact with water molecules D. Between two charged molecules E. Between two ions 10. 11. What kind of noncovalent interaction is typified by interactions between two molecules that are so close together that they can experience weak attractive forces bonding them together? A. H bonds B. lonic bonds D. Polar covalent bonds E. Van der Waals forces 12. Which of the following is a function of membranes? A. Compartmentalization B. Selectively permeable barrier C. Mediates intercellular interactions D. Helps cells respond to external stimuli E. All the above 13. What characterizes a lipid? Write your response to #13 on the back of your Scantron. Clearly label your response to #13.

Explanation / Answer

Ans 8:- (c) a transfer of electrons from one atom to another.

Ans 9:- (a) hydrophobic interactions.

Ans 10:- (b) the core of water soluble proteins.

Ans 11. (e) vander walls forces.

Ans 12. (e) all the above.

Ans 13:- the common characteristics of all lipids are that they are insoluble in water but suluble in organic solutions.

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