2. The DNA found in most bacterial cells (A) is surrounded by a nuclear membrane (B) utilizes histones for chromosomal packaging (C) is circular in structure (D) is linear in structure

4. Which of the following is an advantage of the standard plate count? (A) can readily count cells that form aggregates (B) determines the number of viable cells (C) can be performed on very dilute samples, such as lake water (D) provides immediate results