Which of the following statements about evolution of behavior is correct?

A) Natural selection will favor behavior that enhances survival and reproduction.

B) An animal may show behavior that maximizes reproductive fitness.

C) If a behavior is less than optimal, it is not completely evolved but will eventually,become optimal.

TLS Online TPP Program

#Question id: 31041

#Unit 4. Cell Communication and Cell Signaling

Which of the following statement is incorrect regarding HER2?

TLS Online TPP Program

#Question id: 31042

#Unit 4. Cell Communication and Cell Signaling

Monomeric Ras proteins are GTPase “switch” proteins. Ras activation is accelerated by: 

TLS Online TPP Program

#Question id: 31043

#Unit 4. Cell Communication and Cell Signaling

An SH2 domain is able to bind to a short target sequence of polypeptide that contains:

TLS Online TPP Program

#Question id: 31044

#Unit 4. Cell Communication and Cell Signaling

In which manner Ras is different from Gα proteins?

TLS Online TPP Program

#Question id: 31045

#Unit 4. Cell Communication and Cell Signaling

Ras proteins (RasD) contain a mutation at position 12. Replacement of the normal glycine 12 with any other amino acid-

TLS Online TPP Program

#Question id: 31046

#Unit 4. Cell Communication and Cell Signaling

Ras induces a kinase cascade that includes Raf, MEK, and MAP kinase. Which of the following is a dual-specificity protein kinase?