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How does the external surface and covering of the cell compare with the walls of plant cells?
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What is the collection of carbohydrate groups on a human cell's external surface called?
external cells
What kind of tissue closely packed cells covering a surface?
It seems to be a protective tissue.
What is the effects of the exchange of oxygen and carbon dioxide between internal leaf cells and the external environment?
the surface of these cells are moist and the stomatas are open
Tightly bound sheet of cells lining any external or internal surface in multicellular organisms?
epithelium
The waxy covering of cells?
The epidermis is the waxy layers of some cells
What is the collection of carbohydrate groups on a human cell's external surface called?
external cells
What kind of tissue closely packed cells covering a surface?
It seems to be a protective tissue.
What is free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
What is the free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
What is the effects of the exchange of oxygen and carbon dioxide between internal leaf cells and the external environment?
the surface of these cells are moist and the stomatas are open
Tightly bound sheet of cells lining any external or internal surface in multicellular organisms?
epithelium
Which immunoglobulin class is attached to the external surface of B cells and acts as an antigen receptor of the B cell?
B cells do not contain any antibodies on their surface. Generally, B cells produce all the antibodies in the body is in need of; as instructed by T helper cells (CD4+ cells).
How do you compare the surface are to volume ratio of cells of different size?
You need to:* Calculate the surface area * Calculate the volume * Divide the surface area by the volume
Why are the cells of epithelial tissue tightly placed against each other?
It is because cells of epithelial tissues are found covering numerous internal and external surfaces of the body and may also be modified to form glandular structures.
What is a definition of an epidermis?
ep·i·der·mis /ˌepiˈdərmis/NounThe outer layer of cells covering an organism, in particular.The surface epithelium of the skin of an animal, overlying the dermis.Synonymscuticle - scarfskin
What two factors cause epidermal cells to die?
Low blood supply and low keratin cause epidermal cells to die. Epidermal cells make up the epidermis, the outer layer of the skin covering the exterior body surface of vertebrates.
What comes in and out of the cells.?
thin covering
