#Question id: 28426
#Unit 5. Developmental Biology
A sheet of cells that grows anteriorly from Koller’s sickle combines with the primary hypoblast to form the complete hypoblast layer is termed as___
#Question id: 5102
#Unit 5. Developmental Biology
Why was the evolution of the extraembryonic membranes crucial for colonization of land by the vertebrates? Extraembryonic membranes ________.
#Question id: 23225
#Unit 2. Cellular Organization
#Question id: 4050
#Unit 3. Fundamental Processes
An antibody was produced and used in an immunohistochemical assay to detect the location of RNA polymerase II in a thin section of a liver biopsy. The section was stained with the antibody that had been labeled with a fluorescent tag, and then viewed under a fluorescent microscope. State where you would expect to find positive staining if the enzyme is present.
#Question id: 33289
#Unit 2. Cellular Organization