#Question id: 14340
#Section 5: Bioprocess Engineering and Process Biotechnology
#Question id: 8919
#Section 6: Plant, Animal and Microbial Biotechnology
#Question id: 11798
#Section 6: Plant, Animal and Microbial Biotechnology
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: 14153
#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
#Question id: 92
#Section 2: General Biology
Monosaccharide derivatives in which an amino group replaces one of the hydroxyl groups may have important roles in