?What are the basic units of organization of all organisms?
a. organelles
b. organs
c. molecules
d. cells
Answer: d. cells
Anatomy & Physiology
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A motor unit is
A) a motor neuron and the muscle fibers connected to it. B) the functional unit of a muscle fiber. C) many myofibrils in a sarcolemma. D) many motor end plates at a neuromuscular junction.
Anatomy & Physiology
A constant blood supply to this organ is a priority of the circulatory system:
a. heart. b. kidney. c. brain. d. muscle. e. liver.
Anatomy & Physiology
A(n) ________ is the region of the molecule that is recognized by antibodies
A) major histocompatibility complex (MHC) B) antigen C) epitope D) antibody monomer E) hapten
Anatomy & Physiology
Steroids are a type of ________.
A. lipid B. sugar C. protein D. nucleic acid
Anatomy & Physiology