In Bird Embryos, the Pathway for Cell Migration into the Blastocoel

question 5

Multiple Choice

In bird embryos, the pathway for cell migration into the blastocoel is formed by the ____, while in frog embryos, the pathway for cell migration into the blastopore is formed by the ____.

• A) archenteron; dorsal lip of the blastopore
• B) epiblast; dorsal lip of the blastopore
• C) primitive groove; ventral lip of the blastopore
• D) primitive groove; dorsal lip of the blastopore
• E) hypoblast; ventral lip of the blastopore

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Definitions:

Semantic Memory

General knowledge, as opposed to episodic memory.

Thalamus

An area near the center of the brain involved in the relay of sensory information to the cortex and in the functions of sleep and attention.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood. It controls the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Memory Processes

The mental functions involved in acquiring, storing, and retrieving information.