BIO 1404 FINAL EXAM WITH COMPLETE SOLUTIONS

BIO 1404 FINAL EXAM WITH COMPLETE SOLUTIONS
Why is water so special? Correct Ans-* cohesive behavior


* ability to moderate temperature


* Expansion upon freezing


* versatility as a solvent




What are the 7 functional groups found in large organic molecules? Correct Ans-* Hydroxyl

(-OH)


* Carbonyl (-CO)


* Carboxyl (-COOH)


* Amino (-NH2)


* Sulfhydryl (-SH)


* Phosphate (-PO3)


* Methyl (-CH3)




How are polymers assembled? Correct Ans-dehydration reaction (when two monomers

bond together through the loss of a water molecule)

, BIO 1404 FINAL EXAM WITH COMPLETE SOLUTIONS
How are polymers disassembled? Correct Ans-hydrolysis (when two monomers break

apart through the addition of a water molecule)




What are the monomers for macromolecules? Correct Ans-* monosaccharide

(Carbohydrates)


* amino acid


(protein)


* nucleotide


(RNA or DNA)




What are the special names of the covalent bonds of macromolecules? Correct Ans-*

glycosidic (carbohydrate)


* Peptide (protein)


* Phosphodiester (DNA or RNA)




What are the functions of proteins? Correct Ans-motility


structural


enzymes

, BIO 1404 FINAL EXAM WITH COMPLETE SOLUTIONS
transport


hormones


cell-surface receptors


neurotransmitters


immunoglobulins


poisons and toxins




What is the structure of amino acids? Correct Ans-Amino group


Carboxyl group


alpha carbon


hydrogen


Side chain (r-group)




What are the four classes of amino acids are there? Correct Ans-* non-polar


* + charge


* - charge


* polar