What Are Knockout Mice? What Has Been Learned About the Role

question 22

Essay

What are knockout mice? What has been learned about the role of different G-protein coupled receptors (GPCR) in taste perception by studying knockout mice?

Identify the anatomical positioning of major brain structures relative to one another.

Describe the structural components of the midbrain and their functions.

Understand the importance and function of the optic nerves and their pathways.

Recognize the emergence and characteristics of cranial nerves in relation to brain structures.

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Definitions:

Nucleolus

Somewhat rounded, dense, well-defined nuclear body with no surrounding membrane; contains ribosomal RNA and protein. Plural: Nucleoli.

Endoplasmic Reticulum

An organelle in eukaryotic cells that plays a key role in protein and lipid synthesis and transport.

Nuclear Envelope

Double membrane structure surrounding and enclosing the nucleus.

Chromosomes

Structures made of DNA and protein that contain the genes and are found in the nucleus of eukaryotic cells.