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Q. Which is the extraembryonic membrane whose function is to store nitrogen wastes of the embryo? Is this function present in placental mammalian embryos?
The allantois is the extraembryonic membrane whose function is to store the excreted matter of the embryo and in placental mammals the allantois is present but it doesn't exert that function since the embryonic wastes are collected by the mother's body through the placenta.
IMPLAN TA TIO N - Attachement of blastocyst on the endometrium of the uterus is called implantation. Generally it occurs 7th day after fertilisation. (6-10 days). Blas
For each of the cases that follow, list as many properties of the equilibrium state as you can, specially the constrains placed on the equilibrium state of the system by its surrou
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A climate classification system divides regions according to _____?
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