Developmental Mechanisms Problem Set

Problem 9: Structure of the blastula

The sheet of cells in the blastula of a developing animal embryo is called the:

A. blastocoel
B. blastoderm
The blastula is composed of the sheet of cells on the outside called the blastoderm and a cavity on the inside called the blastocoel.
C. blastoplast
D. blastopore
E. mesenchyme


The Biology Project
Department of Biochemistry and Molecular Biophysics
The University of Arizona
Thursday, October 30, 1997
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