What happens when Ras proteins become stuck in their “on” state?
a. Cellar responses are slowed.
b. Additional ions are catalyzed.
c. There is unregulated cell division.
d. There is an increase in protein synthesis.
e. Ligand-gated channels close off the membrane.
c
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What does it mean when we say, "This scientific study was published in a peer-reviewed journal"?
A. This study was evaluated by qualified and impartial experts before being published. B. This study can now be viewed on the Internet. C. This study was not evaluated by other scientists. D. This study was published in a newspaper.
Phanerochaete chrysosporium
A. is a wood-decay fungus. B. is a lichen that serves as food for reindeer. C. is the cause of lung disease. D. is an hallucinogenic mushroom. E. is a rust that causes oak trees to shed their leaves prematurely.
In a chemical synapse, what is the name of the gap between the sending and receiving cells?
A) synaptic terminal B) action potential C) synaptic cleft D) myelin sheath
Certain bacteria and fungi that are important in nutrient recycling because they release nutrients from dead organisms back into the ecosystem are
A) carnivores. B) detritus feeders. C) autotrophs. D) decomposers. E) recyclers.