Suppose that you are asked to observe a micrograph of a leaf cross section and distinguish between the upper and lower epidermis. How would you make this decision?

How sclerenchyma of the hypodermia in the pinus needle helps?

What are the differences in the structure and organization of the dermal, vascular, and ground tissue of the plant organs, leaves, stem and roots.

describe the difference in color between the leaf which was fully exposed to sunlight and the one which was covered with black paper

The pith and the cortex are made up of parenchyma cells. Describe the many functions of these cells. LAB 5: PLANT ANATOMY: VEGETATIVE STRUCTURE VASCULAR PLANTS

Which statement about transdermal drugs is true? a. For maximum effectiveness, the skin should not be cleansed with soap once it has been exposed to a transdermal drug. b. Transdermal drugs are preferred because they exert only a local effect. c. For maximum effectiveness, transdermal patches should be reapplied to the same location when reapplied. d. Transdermal drugs provide more consistent blood levels than oral and injection forms.

Structure and functions of root hair cells?

Where in the leaves is thephotosynthetic tissue oftenlocated?

We observed onion (Allium) root tip through the light microscope.  We were asked "Was your onion root tip actively growing prior to being preserved?"  What should I expect to see if it was actively growing?

Secondary growth in stems involves two meristems.  Identify and describe these two meristems, explain what tissues they are responsible for producing (including their functions), and explain the direction of cell division in which those tissues are produced in relation to the epidermis.  For the last part of this question referring to the direction of cell division, make sure to address why cell division is occurring in two different planes.  Also, as part of your answer, name and explain the functions of the tissues from the center of the stem to the dermal layer, in order, for a stem conducting secondary growth.