Exhibit 13A This Is a Map of the PBR322 Plasmid

question 42

Multiple Choice

Exhibit 13A This is a map of the pBR322 plasmid, numbers on the map refer to the base where the site is located. Refer to Exhibit 13A. If the plasmid were completely digested with the two restriction enzymes Bam HI and Hgi EII, the resulting fragments would be this large:

• A) 1920, 1305, 761, and 377 base pairs long.
• B) 1920, 1682 and 761 base pairs long.
• C) 1920, 1680 and 761 base pairs long.
• D) 3056, 2295 and 375 base pairs long.
• E) The sizes cannot be determined from the data given.

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Definitions:

Centration

A term from Piaget's theory of cognitive development, describing the tendency to focus on one aspect of a situation while neglecting others.

Decentering

The cognitive ability to consider multiple aspects of a situation rather than focusing on a single perspective.

Conservation

The act of preserving, protecting, or restoring natural environments and their wildlife.

Egocentrism

A cognitive trait where individuals, particularly children in Piaget's preoperational stage, are unable to see perspectives other than their own.