A Chunk of Tissue Is Treated So That Each Cell's

question 40

Multiple Choice

A chunk of tissue is treated so that each cell's membrane is broken open to release the contents inside,and then subjected to differential centrifugation.Which of the following is true at the end of the centrifugation?

• A)Depending on the speed of the centrifugation,the proteasome is more likely to be in the supernatant than a chaperone.
• B)Proteins of similar density will be found in the same fraction (either pellet or supernatant).
• C)The pellet contains the least dense material.
• D)The pellet will contain a purified protein for further analysis.

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Definitions:

Lateralized

Describes functions or processes that are predominantly localized to one side of the brain, such as language in the left hemisphere for most people.

Left Hemisphere

The half of the brain that is typically responsible for language processing, logical reasoning, and analytical tasks in most individuals.

Picky Eaters

Individuals, often children, who have a very selective and limited range of food preferences.

Egocentrism

Piaget’s term for children’s inability to take another person’s point of view or perspective and to assume that others share the same feelings, knowledge, and physical view of the world.