#Question id: 19339
#Unit 12. Applied Biology
#Question id: 18376
#Unit 12. Applied Biology
#Question id: 10899
#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;
#Question id: 1418
#Unit 4. Cell Communication and Cell Signaling
Apoptosis can be induced by a mitochondrial protein being released into the cytosol. This protein binds directly to what in the cytosol?
#Question id: 2624
#Unit 2. Cellular Organization
What is negative regulation of lac operon