#Question id: 5131
#Unit 5. Developmental Biology
Differentiated cells express the genes and proteins characteristic of their final identity in the adult, and that identity can be altered only under special circumstances. How does the concept of differentiation, as described here, differ from the concept of determination?
#Question id: 5132
#Unit 5. Developmental Biology
Upon secretion of wnt, When Wnt attaches to the Frizzled receptor on a responding cell, the cell secretes Notum, a hydrolase that associates with glypican and then cleaves off Wnt’s attached lipids in a process of deacylation or delipidation. This process:
#Question id: 5133
#Unit 5. Developmental Biology
Identify the correct ligands in both receptor serine kinase pathway.
#Question id: 5134
#Unit 5. Developmental Biology
Match the following cleavage patterns with the species in which they occur.
Species Cleavage Pattern
A. Flatworm i. Meroblastic discoidal
B. Frog ii. Meroblastic superficial
C. Birds iii. Holoblastic displaced radial
D. Insect iv. Holoblastic spiral
#Question id: 5135
#Unit 5. Developmental Biology
In xenopus, result of tissue transplantation during early and late gastrulae
(A) Cells of early newt gastrula exhibit conditional development.
(B) Cells of early newt gastrula exhibit autonomous development
(C) Cells of late newt gastrula exhibit conditional development.
(D) Cells of late gastrula exhibit autonomous development.
The correct inferences are:
#Question id: 5136
#Unit 5. Developmental Biology
Some statements regarding to hippo pathway.
A. The Hippo signal transduction pathway have a dedicated ligand or receptor
B. Hippo stands for one of several important kinases that are critical for organ size control
C. It was first identified in Drosophila, where its loss resulted in a “hippopotamus”-shaped phenotype due to excessive growth
D. Gain of Hippo causes cells to divide significantly faster while slowing apoptosis
E. overexpression of its main transcriptional effector, Yorkie causes cells to divide significantly faster while slowing apoptosis
Which of the following combination are incorrect?