Your Friend Has Cut a 3000-Nucleotide-Pair Circular Plasmid with Either

question 76

Multiple Choice

Your friend has cut a 3000-nucleotide-pair circular plasmid with either or both restriction enzymes A and B, and has separated the digestion products by electrophoresis. The results are shown in the schematic drawing below, with the approximate size of the fragments indicated above each band. Based on these results, what is the closest distance (in nucleotide pairs) between an A restriction site and a B restriction site on this plasmid?

• A) 400
• B) 600
• C) 1000
• D) 1200
• E) 1600

Evaluate the challenges in defining microbial species and propose solutions.

Develop hypothesis-driven approaches to test theories of speciation using experimental and observational data.

Understand the role of natural selection in life history traits, including longevity and reproductive strategies.

Comprehend the biological basis and ecological significance of menopause in certain species.

---

Definitions:

Marginal Revenue Product

The additional revenue generated by employing one more unit of a factor of production, holding other factors constant.

Total Revenues

The total amount of income generated by the sale of goods or services related to a company's primary operations.

Marginal Revenue Product

The additional revenue generated from using one more unit of a factor of production, holding all other factors constant.

Law of Diminishing Returns

This economic law states that after a certain point, successive increments of a single factor of production yield progressively smaller increases in output.