#Question id: 7269
#Unit 5. Developmental Biology
Following statements are regarding to gastrulation in chick embryo.
A.
During gastrulation, future mesodermal and endodermal cells migrate from the
epiblast through the primitive streak into the interior of the blastoderm.
B.
An aggregation of cells, known as Hensen’s node, forms at the posterior end of
the streak.
C.
As the streak extends, cells of the epiblast move toward the primitive streak,
through it, and then outward again underneath the surface to give rise
internally to the mesoderm and endoderm, the latter displacing a lower layer of
cells called the endoblast.
D.
Cells that remain in the epiblast form the endoderm.
Which of the following statements are correct?
#Question id: 15678
#Unit 2. Cellular Organization
#Question id: 4475
#Unit 3. Fundamental Processes
Choose correct order of various DNA elements relative to the transcription start site;
#Question id: 12105
#Unit 10. Ecological Principles
#Question id: 2306
#Unit 2. Cellular Organization
The cells of the Eukarya can grow larger than the cells of the Bacteria or the Archaea because: