Which test tubes were used to determine the optimal pH for pepsin activity?

A) tubes 2, 3, and 4
B) tubes 2, 5, and 6
C) tubes 4, 5, and 6
D) tubes 1, 2, and 3


B) tubes 2, 5, and 6

Anatomy & Physiology

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Sperm production occurs in the

A) ductus deferens. B) seminiferous tubules. C) epididymis. D) seminal glands. E) rete testis.

Anatomy & Physiology

Between the ages of 20 and 80, we lose about ________ percent of our renal function

A) 40 B) 50 C) 30 D) 25

Anatomy & Physiology

Vesicles that are produced by the ER-Golgi network may be released from the cell using the process of

A) Exocytosis. B) Endocytosis. C) Phagocytosis. D) Both B and C

Anatomy & Physiology

Which of the following contain synovial fluid?

A. bursae B. tendon sheaths C. articular cartilage D. both A and B E. all of the above

Anatomy & Physiology