Unit 2130 Lab

Biology 2130 Lab Protein Utilization Pre-Lab Questions, Exercises 5-8 and 5-9

1. An amino acid consists of a carbon atom attached to a hydrogen atom, an amine group, a side group, and a _____________ group.
a. glycine
b. carboxyl
c. nucleotide
d. fatty acid 2. What product of fermentation must accumulate in the broth to cause the gene for decarboxylase to be expressed ?

3. The media used to detect the occurrence of decarboxylation turns yellow first and then purple only if decarboxylation occurs.
a. true
b. false

4. The word ending “ase” (ex: decarboxylase, deaminase, amylase) indicates a (an) ___________________.
a. enzyme
b. amino acid
c. nucleic acid
d. carbohydrate

5. Decarboxylation results in _________________