True or False? The affinity of adult hemoglobin for oxygen is greater than the affinity of fetal hemoglobin for oxygen.
Answer the following statement true (T) or false (F)
False
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In the retina, the __________ cells are the second-order neurons of the visual pathway whose axons form the optic nerve.
Fill in the blank(s) with the appropriate word(s).
If a young woman consumes 1,200 ml of O2 in a six-minute basal metabolic rate test period, her BMR is
a. 72 kcal/hour b. 57.6 kcal/hour c. 12 kcal/hour d. 4 kcal/hour e. none of these
Which of the following most accurately describes how foreign substances can activate complement?
A. Foreign proteins are phagocytized by macrophages and directly activate complement. B. Foreign substances can bind to spontaneously activated C3 and stabilize it. C. Both "Antibodies can bind to foreign antigens and activate complement through the classical pathway" and "Foreign substances can bind to spontaneously activated C3 and stabilize it" are correct. D. Foreign proteins bind to C1 and activate it. E. Antibodies can bind to foreign antigens and activate complement through the classical pathway.
Phospholipids are important components of the plasma membrane. What does "B" represent on the diagram?
A. Polar (hydrophilic) region B. Oxygen C. Nonpolar (hydrophobic) region D. Nitrogen E. Phosphorus