The enlarged cell in this image is a Gaucher cell, found in individuals suffering from Gaucher disease. Gaucher cells are actually _____
1.nonfunctional lysosomes containing glucosylceramides
2.lysosomes lacking an active form of one enzyme
3.macrophages lacking an active form of one enzyme
4.nonfunctional macrophages containing glucosylceramides
4
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During a particularly slow afternoon in the lab, you and your colleagues decide to play another round of Whose Heart Is This? The heart you are given has a pair of atria, but only a single, undivided ventricle. What type of animal did this heart belong to before it was given to you?
a. fish b. reptile c. amphibian d. mammal
What is an asteroid?
a. dust and small rock orbiting around the sun b. a ball of ice with a tail c. a small planet d. a small sun with weak solar emissions e. debris from a large planet
In humans, an X-linked disorder called coloboma iridia (a fissure in the iris) is a recessive trait. A
normal couple has an afflicted daughter. The husband sues the wife for divorce on the grounds of infidelity. Would you vote in his favor? What will be an ideal response?
The Haldane effect describes the increase in the affinity of hemoglobin for CO2 in the presence of a lowered
A) pH. B) PCO2. C) concentration of bicarbonate (HCO3-). D) temperature. E) PO2.