#Question id: 12295
#Unit 10. Ecological Principles
#Question id: 3324
#Unit 11. Evolution and Behavior
If only 20 males and 20 female grizzlies exist today, but only 10 of the males and 6 female breed, what are effective population size?
#Question id: 20541
#Unit 12. Applied Biology
#Question id: 3792
#Unit 3. Fundamental Processes
Strain introduced by unwinding DNA at the replication forks is relieved by
#Question id: 11798
#Unit 6. System Physiology – Plant
Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;