Which of the following is NOT a part of the MAP kinase pathway? (Select all correct choices.)
A. A receptor kinase is activated by binding to
a growth factor and phosphorylates receptor
cytoplasmic domains.
B. The activated receptor kinase dimer
activates the RAS protein to bind to a GTP.
C. The activated RAS protein activates
protein kinases in the signal-transduction
pathway.
D. A series of protein kinases amplify the
signal to the nucleus where genes
responsible for cell division are switched on.
E. A pyrophosphatase enzyme terminates the
cellular response.
E
You might also like to view...
Male crickets create sounds that we call "chirps" by rubbing one wing against the other. A female cricket is attracted to the chirps and mates with the male once she locates him. Is this an example of communication?
A. Yes, because one individual produced information. B. Yes, because one individual received information. C. Yes, because information from the sender altered the receiver's behavior. D. Yes, because the exchange of information resulted in a benefit to the sender. E. Yes, because the exchange of information resulted in a benefit to the receiver.
Aquaporins are ____
a. cells that are specialized for water transport b. transport channels for water c. the entry point of filtrate into a nephron d. transport channels for ions e. the exit channel for urine out of a nephron
Most burrowing animals of estuaries exchange gases with their environment through their skin
Indicate whether the statement is true or false
Gastric bypass surgery
a. is more effective than standard weight loss methods. b. reduces the size of the patient's stomach and small intestine. c. reduces the amount of ghrelin secreted, so the patient feels less hungry. d. may increase the risk of vitamin and mineral deficiency. e. does all of these