The specificity of an antibody for its antigen is determined by the
a. structure of the arm region of the "Y."
b. structure of the tail region of the "Y."
c. Fc region of the antibody.
d. variability between the arm and tail region of the "Y".
e. process of optimization during development.
A
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The __________ division of the ANS is most commonly associated with the preparation of the body for emergencies
Fill in the blank with correct word.
Which of the following is NOT a correct comparison of cardiac myocytes to other muscle cell types?
A) Like some smooth muscle cells, cardiac myocytes are electrically coupled. B) Like skeletal muscle, contraction of cardiac muscle is under autonomic nervous control. C) Like smooth muscle cells, some cardiac myocytes have pacemaker potentials. D) Like smooth muscle cells, cardiac muscle is under hormonal control. E) Like skeletal muscle cells, actin and myosin are organized into sarcomeres.
Periodontal disease is a bacterial infection of the _____.?
A) ?gums B) ?liver C) ?peritoneum D) ?pancreas