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
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
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%