Which of the following is not related with the spot of invagination during gastrulation?

TLS Online TPP Program

#Question id: 3289

#Unit 11. Evolution and Behavior

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

TLS Online TPP Program

#Question id: 20275

#Unit 7. System Physiology – Animal

Vasopressin has two actions, one on the kidney and the other on vascular smooth muscle, Contraction of vascular smooth muscle are mediated by different receptors, different intracellular mechanisms, and different second messengers,

a. The receptor for ADH on vascular smooth muscle is a V1 receptor

b. The receptor for ADH on the vascular smooth muscle is a V2 receptor

c. The second messenger for this action is IP3/Ca2+ 

d. The second messenger is cAMP.

Which of the above is/are correct? 

TLS Online TPP Program

#Question id: 24283

#Unit 4. Cell Communication and Cell Signaling

Which type of cell junction is found in plants? 

TLS Online TPP Program

#Question id: 3050

#Unit 2. Cellular Organization

Agar is well suited as a solidifying agent because

A. it has been melted in boiling water

B. it can be cooled to about 40 to 42°C before hardening

C. it will not melt again until the temperature rises to about 80 to 90°C.

D. most microorganisms cannot degrade it.

TLS Online TPP Program

#Question id: 3901

#Unit 3. Fundamental Processes

Francois Jacob and Jacques Monod are responsible for