If a lever operates at a mechanical disadvantage, it means that the ________.
A) load is far from the fulcrum and the effort is applied near the fulcrum
B) lever system is useless
C) effort is farther than the load from the fulcrum
D) load is near the fulcrum and the effort is at the distal end
A) load is far from the fulcrum and the effort is applied near the fulcrum
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Which of the following is not a function of the lymphatic system?
a. Defense against disease b. Return of fluid to the circulatory system c. Transport of fat molecules d. Regulation of sodium balance e. Return of proteins to the circulatory system
Disorders in which the lymphoid system attacks self antigens are called ________.
A. AIDS B. autoimmune diseases C. lymphomas D. SCIDS
If atom X has an atomic number of 74 it would have which of the following?
A) 37 protons and 37 neutrons B) 37 protons and 37 electrons C) 37 electrons D) 74 protons
Saturated fats _______ than unsaturated fats
A) have fewer hydrogen atoms bonded to carbon atoms B) contain more water C) have more glycerol D) have more single carbon-carbon bonds