The sodium-potassium ion pump will __________. pump three sodium ions out of the cell for every two ions of potassium it brings into the cell. A neuron will not respond to a second stimulus of equal strength to the first stimulus to which it has already responded because __________.
To answer that question, let's start by taking a look at the structure of your skin. While your skin is made of three layers including the subcutis and the dermis, hot showers affect the outermost layer, the epidermis.The epidermis is mostly composed of skin cells loaded with keratin, the same substance that makes up your hair and nails.o answer that question, let's start by taking a look at the structure of your skin. While your skin is made of three layers including the subcutis and the dermis, hot showers affect the outermost layer, the epidermis.
The epidermis is the primary outer protective covering of the plant body. Cells of the epidermis are also modified to form stomata and hairs of various kinds. Epidermis waxy layer cuticle The epidermis (usually one layer of cells deep) covers the entire stem, leaf, and root of the young plant. The cells are living, have thick primary cell walls, and are covered on their outer surface by a special cuticle with an outer waxy layer. The cells are tightly interlocked in different patterns. upper epidermis of a leaf epidermis of a stem 50 Âµm Stomata guard cells air space 5 Âµm Stomata are openings in the epidermis, mainly on the lower surface of the leaf, that