Examlex
Which of the following are not photosynthetic pigments?
Morula
Mass of 12 or more cells resulting from the early cleavage divisions of the zygote.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to, and removing waste from, the fetus.
Trophoblast
A layer of cells surrounding the blastocyst in early development that provides nutrients to the embryo and develops into part of the placenta.
Inner Cell Mass
The inner cell mass is a group of cells inside the primordial embryo that will eventually develop into the fetus.
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