Only two of the ethylene receptors in Arabidopsis have intrinsic histidine kinase activity, these receptors are_______

TLS Online TPP Program

#Question id: 1624

#Unit 4. Cell Communication and Cell Signaling

Acute inflammation can be initiated by:

TLS Online TPP Program

#Question id: 16144

#Unit 4. Cell Communication and Cell Signaling

  _______are motile phagocytic cells they play their most important role in the defense against multicellular parasitic organisms, including worms. They can be found clustering around invading worms, whose membranes are damaged by the activity of proteins released from its granules. it may also secrete cytokines that regulate B and T lymphocytes, thereby influencing the adaptive immune response.

TLS Online TPP Program

#Question id: 1801

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the earliest site of hematopoiesis in the embryo?

TLS Online TPP Program

#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:

TLS Online TPP Program

#Question id: 33334

#Unit 2. Cellular Organization

During one generation, all cellular constituents increase proportionally; cells are thus said to be in: 

a. Log phase

b. Lag phase

c. Balanced growth phase

d. Stationary Phase