Most of the body weight of an average human is what substance?
A. Lipids
B. Carbohydrates
C. Minerals
D. Protein
E. Water
Answer: E
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The ____ and ____ enable the kidneys to produce urine of varying concentrations and volumes depending on the body's needs
a. Na+-K+ ATPase pump, co-transport carriers b. juxtaglomerular apparatus, vasa recta c. podocytes, peritubular capillaries d. medullary vertical osmotic gradient, vasopressin e. renin-angiotensin-aldosterone system, renal pyramids
One of the function of Sarcoplasmic Reticulum is in the regulation of intracellular calcium in muscle fibers?
a. true b. false
A student's dietary intake includes 100 grams of fat and a total of 2000 kilocalories. What percentage of the total kilocalories in this student's diet comes from fat?
A. 10% B. 20% C. 37% D. 45% E. 50%
Which of the following structures has the active sites to which the heads of the thick filaments will bind?
A. Myosin B. Troponin C. Actin D. Tropomyosin E. Sarcoplasm