#Question id: 1226
#Unit 4. Cell Communication and Cell Signaling
GTPase switch proteins
a. are active when bound to GDP but inactive when bound to GTP.
b. are active when bound to GTP but inactive when bound to GDP.
c. are converted from the inactive to active state by a guanine nucleotide exchange factor (GEF).
d. synthesizes GTP from GDP.
#Question id: 4512
#Unit 3. Fundamental Processes
Some pre-mRNAs can be spliced in more than one way. Thus, mRNAs containing different selections of exons can be generated from a given pre-mRNA, called
#Question id: 14763
#Unit 2. Cellular Organization
#Question id: 11412
#Unit 10. Ecological Principles
following is criteria to qualify Hot spot.
a) r-selected species
b) High numbers of endemic species
c) Many different types of habitats
d) k- selected species
#Question id: 961
#Unit 1. Molecules and their Interaction Relevant to Biology
Which type of organisms can eliminate excess nitrogen by the direct excretion of ammonia?