At what location does the filtrate leave the blood?
a. peritubular capillaries
b. afferent arteriole
c. efferent arteriole
d. glomerulus
Answer: d. glomerulus
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Mendel’s paired factors unite during the formation of reproductive cells
__________________ Indicate whether the statement is true or false.
How does a prokaryotic cell differ from a eukaryotic cell?
a. A prokaryotic cell has no membrane-enclosed organelles. b. A prokaryotic cell has a plasma membrane. c. A prokaryotic cell contains organelles. d. A prokaryotic cell has a nucleus. e. A prokaryotic cell has DNA
In the staphylococcus aureus, all of the following are cell wall virulence factors EXCEPT
A. Superantigen exotoxins B. capsule C. Protein A D. Fibronectin-binding protein
A pressurized airplane cabin and an oxygen tent over a patient in a hospital both address the need of a person for oxygen. How do these compare?
Select one: a. The oxygen tent increases the air pressure to increase the PO2. b. Airplane cabin pressure lowers the partial pressures for normal breathing. c. Both use the same mechanism to force hemoglobin to increase affinity for oxygen. d. The oxygen tent increases concentration of O2 while the airplane maintains total air pressure without changing concentrations. e. Both increase the PO2 in order to force the exchange of oxygen for carbon dioxide.