Knockout Mice Lacking the Gene for CaMKII

question 121

Multiple Choice

Knockout mice lacking the gene for CaMKII

• A) can form short-term memories but not long-term memories.
• B) are unable to learn.
• C) do not appear to have memory impairments.
• D) can form long-term memories but not short-term memories.

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Definitions:

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, responsible for a large part of the eye's focusing power.

Tactile Corpuscle

A sensory receptor located in the dermal papillae, particularly sensitive to light touch; also referred to as a Meissner's corpuscle.

Dermal Papilla

A structure located at the base of the hair follicle that provides nutrients to the hair and contains capillaries and nerve endings.

Hypodermis

The hypodermis is the deepest layer of skin, located beneath the dermis, and is primarily made of fat and connective tissue.