Answer:
True.
Explanation:
This is true because Meteorites originate range from 4.5 billion years old to 200 million years old.
Answer:
Hope I'm not too late, the answer is plasia.
The correct answer is the trophoblast forms two distinct layers.
Under usual conditions, fertilization takes place in one of the fallopian tubes, then the fertilized egg starts to produce its path towards the uterus. By about the fifth day of conception, the embryo ultimately reaches the uterus and gets the implant in the uterine lining or endometrium.
During week II of implantation, the trophoblast layer gets involved by combining with the uterine wall, and during this time the layer of trophoblast differentiates and proliferates into two different layers, that is, cytotrophoblast and syncytiotrophoblast.
Is there a picture or options that go with this question?
A viral vector can be used to inject the host Bactria with the desired isolated gene segment.