#Question id: 19991
#Unit 2. Cellular Organization
#Question id: 1207
#Unit 4. Cell Communication and Cell Signaling
Ryanodine and IP3 receptors are found on .......... membranes, whereas epinephrine and glucagon receptors are found on ........... membranes.
#Question id: 2610
#Unit 2. Cellular Organization
Binding of RNA polymerase over promoter synthesizes
#Question id: 4089
#Unit 3. Fundamental Processes
An investigator incubates an unprocessed RNA molecule containing an intron in an extract absent of any protein. Correct splicing of the RNA is observed, but only when guanosine is present. What can the investigator conclude about the RNA molecule?
a. It contains a ribozyme.
b. Self-splicing has occurred.
c. It contains a group II intron.
d. It contains a group I intron.
#Question id: 23110
#Unit 2. Cellular Organization