A Blastocyst Is a

question 18

Multiple Choice

A blastocyst is a

• A)Ball of cells.
• B)Type of abortion procedure.
• C)Concept the pro-life camp uses to scare women.
• D)Ovum.

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Definitions:

Chemoattractive Molecules

Chemical substances that attract cells or organisms towards them, often playing a role in cell migration and tissue formation.

Chemorepulsive Molecules

Chemical factors that repel growing axons or migrating cells, guiding them to their appropriate locations during neural development.

Netrins

A family of proteins involved in the guidance of neural development and the growth of neurons in the brain and spinal cord.

Semaphorins

Class of chemorepulsive molecules that deflect axons from inappropriate regions.