Which of the following are true regarding the splicing of tRNA 

a.RnaseP cuts at 5’ end 

b.RnaseD cuts at 3’ end 

c.Base modification followed by CCA addition by specific polymerase

d.And then final script of 78 bp formed

TLS Online TPP Program

#Question id: 1234

#Unit 4. Cell Communication and Cell Signaling

Which of the following mutations would likely have a similar cancer-promoting effect as the RasD mutation?

a. mutation in Grb2 so that it cannot bind Sos

b. mutation in Sos so that it binds Ras independent of Grb2

c. mutation in GAP so that it cannot bind Ras

d. mutation in EGF receptor so that it binds GRB2 independent of EGF

TLS Online TPP Program

#Question id: 1233

#Unit 4. Cell Communication and Cell Signaling

Transphosphorylation (cross-phosphorylation) of receptor tyrosine kinases

a. inhibits catalytic activity.

b. promotes transphosphorylation of additional tyrosine residues.

c. triggers release of the ligand.

d. generates binding sites for signaling molecules.

TLS Online TPP Program

#Question id: 1016

#Unit 4. Cell Communication and Cell Signaling

Lyme disease is an example of a disease

TLS Online TPP Program

#Question id: 1017

#Unit 4. Cell Communication and Cell Signaling

The outbreak of measles within the last few years was due to

TLS Online TPP Program

#Question id: 1018

#Unit 4. Cell Communication and Cell Signaling

Diseases such as ulcers and cardiovascular disease

TLS Online TPP Program

#Question id: 1019

#Unit 4. Cell Communication and Cell Signaling

Bacteria are present on the body