A sarcomere consists of ()
A. 1/2 I band + A band + 1/2 I band
B. 1/2 A band + I band + 1/2 A band
C. 1/2 I band + 1/2 A band
D. 1/2 I band + A band
E. I band + A band
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Transmission electron microscope shows ()
A. small structures within cells or tissues
B. surface views of cells or organs
C. structures within nucleus
D. structures within organelles
E. structures within biomembrane
The basic histological and functional unit of the kidney is the ()
A. glomerulus
B. filtration membrane
C. nephron
D. podocyte
E. renal corpuscle
Which is NOT a component of the nephron? ()
A. The proximal tubule
B. The distal tubule
C. The thin segment
D. The collecting tubule
E. The renal corpuscle
The parenchyma of the lung is ()
A. bronchial tree and connected alveoli
B. pulmonary arteries and veins and their branches
C. lymphatic vessels
D. nerves
E. connective tissue