When is ossification of the appendicular skeleton complete?
A. By about age 6
B. The timing of ossification varies widely from person to person.
C. Before birth
D. By the time one is a teenager
E. When a person is in his or her 20s
Answer: E
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A dye (with small, water-soluble particles) is injected into the renal artery and blood is then pumped artificially. A glomerulus and surrounding structures are then inspected for dye. Which structures and substances will contain dye?
A. Afferent arteriole, glomerular capsule, and urine only B. Afferent arteriole, glomerular capsule, efferent arteriole, urine, and lymph C. Afferent arteriole only D. Afferent arteriole, glomerular capsule, and efferent arteriole only
What is the potential yield of ATP molecules for each FADH2 molecule entering the electron transport system?
A) 1.5 B) 2.5 C) 3 D) 1 E) 2
You examine an articulated skeleton in the laboratory and determine the skeleton to be a female since ________
A) the angle of the female pubic arch is smaller than in a male B) the distance between the female ischial spines is greater than in a male C) the distance between the female ischial tuberosities is less than in a male D) the female iliac bones are less flared than in a male E) the female pelvis as a whole is deeper, and the bones are heavier and thicker than in a male
A drug that interferes with the active transport of Ca2+ from the sarcoplasm back into the sarcoplasmic reticulum would result in
A. fibrosis of the muscle. B. relaxation of the muscle fiber. C. an imbalance of blood calcium. D. contraction with no relaxation. E. muscle hypertrophy.