Examlex
Which of the following reagents react with 2-butyne to form (Z) -2-butene
1) H2/Lindlar catalyst
2) (sia) 2BH followed by CH3COOH
3) Na/NH3
Umbilical Cord
The flexible cordlike structure containing blood vessels and attaching a human or mammalian fetus to the placenta during gestation.
Mucous Connective Tissue
A type of connective tissue found in various parts of the embryonic body and in the umbilical cord, characterized by a jelly-like matrix and sparse fibroblasts.
Mesenchymal Cells
Undifferentiated cells found in many parts of the body capable of developing into bones, cartilages, blood vessels, and connective tissues.
Embryonic
Pertaining to an embryo or the development of an organism in the early stages before birth.
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