27. During the lab, the time was needed for E. Coli to show some growth after UV light exposure which indicates some DNA repair? A. 0 second
B. 30 seconds
C. 1 minute
D. 2 minutes

28. Mannitol salt agar is classified as:
A. Enriched medium
B. Selective medium
C. Differential medium
D. A. and b.
E. B. and c.

29. Mannitol salt agar is used to identify & differentiate
A. Fungi
B. Enteric bacteria
C. Staphylococcus
D. Streptococcus
E. Gram (-) cocci

30. The Ingredient in Mannitol salt plate which makes the agar selective is?
A. Salt
B. Glucose
C. Mannitol
D. Bile acids

answer; /// i believe the correct answer is (reactants);

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.