48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma...
48. The thick secondary cell walls of sclerenchyma cells are chemically distinct from parenchyma and collenchyma cells. Sclerenchyma cells contain all of the following EXCEPT a. lignin. b. cellulose c. hemicellulose d. pectin e. dextrin 49. Which of the following contains dissolved sugars? a. Xylem b. Phloem c. Stoma d. Mesophyll e. Stipules 50. Insectivorous plants: a. typically grow in nutrient-rich soil enhance a poor supply of CO2 through capturing prey c. use modified leaves to trap their prey d. require symbiotic insects and insect larvae to digest their prey e. require microorganisms to digest their prey