#Question id: 2193
#Unit 2. Cellular Organization
A membrane is examined using freeze-fracture and freeze-etch analysis. The surfaces are shown to have almost no pits or bumps. Which of the following is the most likely source of the membrane?
#Question id: 7766
#Unit 5. Developmental Biology
The relationship between shortened telomeres and stem cell
depletion has been seen in degenerative diseases such as mouse muscular
dystrophy,
I) When____ is activated by damaged telomeres, DNA replication halts, and if the repair doesn’t work, apoptosis is initiated. If the cell is a stem cell or some other rapidly replicating cell, this will reduce the numbers of cells produced, and the lack of stem cells will produce an “aged” phenotype.
#Question id: 14862
#Unit 6. System Physiology – Plant
#Question id: 19178
#Unit 13. Methods in Biology
#Question id: 10470
#Unit 6. System Physiology – Plant
when the environmental stimuli associated with high CO2 demand inside the leaf are transduced into