44/45. Short answer questions. Choose 2 to complete. Please give a clear, concis

Question

44/45. Short answer questions. Choose 2 to complete. Please give a clear, concise but complete Comparison AND Contrast of the following word sets. Place the letter designation and your answer in the space provided. You are imited to three (3) sentences (10 pts/25 pts eachy 82 overal) A. The subunits called Amino Acids and the subunits called Monosaccharides (simple sugars). C. Two molecules one a Triose/Ketose molecule and the other a Pentose/Aldose molecule. D. The secondary structure of Polypeptides and the secondary structure of Polynucleotides Choose one of the following to answer. Place answer in the space provided. Include the letter designation ofthe-ion you choose. (8 pts/1e8 ,90oveno 46. sure that the concept of unity and diverslity is explained. SECOND you see this relationship demonstreted by your example. Limit yoursel to four complete seneces &. Short answer. NO ILLUSTRATIONS. Choose any one example of the you see this reationship demonstrated by your example Limit yourset to four complde sec concept of emergent properties that is related to the cdlasses FIRST Make sure that the concept of emengence is explained. SECOND: Explain how

Explanation / Answer

A. Amino acids contain an -NH2 group and a -COOH group. Monosaccharides are polyhydroxy aldehydes or polyhydroxy ketones.

Aminoacids are monomers of polypeptides. Monosaccharides are monomers of polysaccharides.

B. Pyrimidines are monocyclic, N-containing heterocyclic compounds.

Ex: Cytosine, Thymine and Uracil

Purines are bicyclic, N-containing heterocyclic compounds.

Ex: Adenine and Guanine

C. Triose-ketose = 3-C containing ketone compound.

Ex: Dihydroxyacetone

Pentose-Aldose = 5-C containing aldehyde compound.

Ex: Ribose

D. The secondary structure of a polypeptide refers to the local organization (regular arrangement) of the peptide chain.

Ex: Alpha helix and beta sheets.

The secondary structure of nucleic acids refers to the local organization of phosphodiester backbone.

dsDNA forms a double helical structure.

ssRNA can form a hairpin and loop structures.

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