In an E Coli Conjugation Experiment, the Donor Cell Is Found to Found

question 51

Short Answer

In an E. coli conjugation experiment, the donor cell is found to be thr⁺, leu⁺, his⁺, and the F^- cell is thr^-, leu^-, and his^-. When the mating is interrupted after 10 minutes and the recipients are plated, they are found to be leu⁺ and his⁺ but thr^-. What can you conclude?

Identify the structure and function of relational and other types of databases.

Explain how data is organized and manipulated within databases.

Recognize the role of primary keys in establishing relationships between tables.

Understand how multidimensional databases store data.

---

Definitions:

Contingency

The specified relationship between a specific behavior and reinforcement

Conditioning

Conditioning is a process in psychology in which a response becomes more frequent or more predictable in a given environment due to reinforcement.

Behavioral Contrast

A phenomenon in operant conditioning where the rate of response to one stimulus changes when the reinforcement conditions are modified for another stimulus.

Congruency Effect

A phenomenon where the reaction time is faster and accuracy is higher when the properties of a stimulus are in harmony with its response.