Increase in cGMP and Ca2+ stimulates flagellar movement in the sperm by activating__ 

a) mitochondrial GTP-generating apparatus 

b) mitochondrial ATP-generating apparatus

c) Na+/K+ ATPase

d) dynein ATPase

TLS Online TPP Program

#Question id: 3865

#Unit 3. Fundamental Processes

Which of the following statements about E. coli RNA polymerase is false?

TLS Online TPP Program

#Question id: 31059

#Unit 4. Cell Communication and Cell Signaling

Activated MAP kinase phosphorylates the HER1 EGF receptor on a threonine residue near the juxtamembrane domain. Phosphorylation of this threonine residue: 

TLS Online TPP Program

#Question id: 12947

#Unit 13. Methods in Biology

Match the following-

A. G- proteins.                    1.src

B. Growth factors.            2.erbB

C. Protein kinases.           3. N-ras

D. Growth factor receptor.   4.hst

TLS Online TPP Program

#Question id: 4451

#Unit 3. Fundamental Processes

Promoter consensus sequence was derived by aligning 300 sequences known to function as s70 promoters and ascertaining the most common base found at each position in the –35 and –10 hexamers are,

TLS Online TPP Program

#Question id: 1638

#Unit 4. Cell Communication and Cell Signaling

Intracellular parasites within macrophages are killed more readily in the presence of: