Biochemistry Overview Flashcards
1
Q
What are the six non-metal elements of life?
A
Carbon hydrogen nitrogen oxygen phosphorus sulfur
2
Q
4 Major classes of biomolecules?
A
Nucleotides (Monomer)= Nucleic acid (Polymer) Amino acid (M)=Proteins/enzymes (P) Sugars or monosaccharides (M)=Carbohydrates (P) Fatty acids (M)=Lipids (P)
3
Q
Purines?
A
Larger
Adenine and guanine
4
Q
Pyrimidines?
A
Smaller
Cytosine, Thymine, and uracil
5
Q
How are amino groups of an AA protonated. How is the carboxyl group deprotonated?
A
The amino group will be protonated-(NH3)+ instead of NH2- and the carboxyl group will be deprotonated -COO- instead of COOH- at physiological pH (6.8-7.4).
