Leu^- Bacteria Are Mixed in a Flask with Leu⁺ Bacteria

question 39

Multiple Choice

leu^- bacteria are mixed in a flask with leu⁺ bacteria, and soon all bacteria are leu⁺.However, if the leu^- cells are on one side of a U-tube and the leu⁺ cells are on the other, the leu^- cells do not become prototrophic.Which process is likely to produce this observed result?

• A)Conjugation
• B)Transduction
• C)Transformation
• D)Reciprocal translocation
• E)Transfection

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Definitions:

Articulates

Refers to two or more bones that connect in a joint, allowing for various degrees of movement or stability in the skeleton.

Femur

The thigh bone, which is the longest, largest, and strongest bone in the human body, connecting the hip to the knee.

Olecranon Process

A bony projection of the ulna forming the point of the elbow and connecting with the triceps muscle.

Ulna

The ulna is one of the two long bones in the forearm, extending from the elbow to the smallest finger, and is located on the side opposite to the thumb.