In all organisms, the basic unit of structure and function is
A) the atom. B) the macromolecule.
C) the cell. D) the molecule.
C
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Select the correct definition about tissue grafts.
A) Isografts are between identical twins. B) Allografts are between different species. C) Xenografts are between individuals of the same species. D) Autografts are between two genetically identical individuals.
The clumping of red blood cells that occurs when transfused blood is of an
incompatible type is called ______________ . Fill in the blank(s) with correct word
The cranial nerve involved in chewing food is the
A) trochlear (IV). B) trigeminal (V). C) abducens (VI). D) facial (VII). E) vestibulocochlear (VIII)
Which cells of the skin are filled with a tough, fibrous protein and account for most of the epidermal cells of the skin?
A) Dermatocytes B) Langerhans cells C) Keratinocytes D) Melanocytes