__________________ Cells Lack Cytoplasm at Maturity,are Tough and Thick-Walled,and Serve

Q10: Which of the following form the gritty

Q11: The _ of materials moved through the

Q12: The _ is a type of vascular

Q13: The two leaflike organs which may flank

Q14: _ are outgrowths of the epidermis that

Q16: Which type of vascular tissue conducts carbohydrates?<br>A)Collenchyma

Q17: In some plants,roots may arise along the

Q18: Branch roots arise from the:<br>A)cortex<br>B)pericycle<br>C)root hairs<br>D)Casparian strip

Q19: Specialized parenchyma cells,known as _ cells,occur along

Q20: Leaf blades grow larger as a result