TLS Online TPP Program

#Question id: 11798


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;

#Section 6: Plant, Animal and Microbial Biotechnology
  1. transfer cells, tonoplast cell, and Xylem parenchyma
  2. ordinary companion cells,  transfer cells,  and intermediary cells
  3. tapered lignified cell, ordinary cell, and intermediary companion cells
  4. tonoplast cell, phloem parenchyma and ordinary companion cells