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BioChem C1:E1

Chapter 1 Exam 1

QuestionAnswer
identify the common elements in a biomolecule The most common elements H, C, O, N
List the 4 major biological molecules found in cells Amino acids, carbohydrates, nucleic acids, lipids
Describe what are polymers Monomers link sequentially to form polymers
List the 3 major types of polymers found in biological systems Polypeptides, Polysaccharides, Nucleic Acids
Distinguish the different functional groups found in biomolecules
What polymer does an Amino acid form? Polypeptides and proteins
What polymer does a Carbohydrate form? Polysaccharides
What polymer do Nucleotides form? Nucleic acids
What polymer does a lipid form Lipids do not form polymers
A carbon with 4 different substituents is considered to be _____? Asymmetric
Amino Acids contain an amino group, carboxylic acid, and side chain
All naturally occurring amino acids in humans are _-amino acids L
What naturally occurring amino acid is not an L amino acid gylcine
What are Carbohydrates? a monosaccharide or sugar
What is the formula for a carbohydrate? (CH20)n , n>3
What are the building blocks of Nucleic acids? Nucleotides
What type of biological molecule is cholesterol? Lipid
What is a lipid? a fat
What bond forms between amino acids polymers? peptide bonds
Polypeptide sequences are always read from the _ terminus to the _ terminus N , C
Nucleotide residues link via _____ bonds Phosphodiester bonds
Polymers of sugars are ______ Polysaccharides
What bond forms between carbohydrate polymers? Glycosidic bonds
What functions do proteins do? Major: Carry out metabolic rxns (enzymes) and support cellular structures (cytoskeletal proteins) Minor: store energy
What functions do nucleic acids do? Major: Encode information (DNA : genetic traits) Minor: Carry out metabolic rxns and support cellular structures
What functions do polysaccharides do? Major: Store energy (glycogen) and support cellular structures (cellulose) Minor: encode information
True or false? Chirality is not important for biological systems False
Created by: user-1982281
 

 



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