The inability to break down galactose is the genetic disorder called ____________. Fill in the blank(s) with the appropriate word(s)
ANS: galactosemia
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Anabolic pathways of metabolism are pathways that ________________________
A. build complex molecules from simple ones B. release stored chemical energy C. take place primarily in skeletal muscle D. make large quantities of ATP
The oxygen needed for respiration moves from the lungs and into capillaries by simple diffusion. Once in the capillaries, what molecule or other component of blood is responsible for transporting oxygen in the circulatory system?
A. There is no transport molecule; oxygen remains free in the blood. B. white blood cells C. hemoglobin D. cadherins
Dissolved oxygen is highest in which body of water?
a. warm eutrophic lake b. slow-moving tropical river c. pool within a cool forest stream d. white water stretch of a cold river e. dissolved oxygen should be the same in all waters
The differential survival rates associated with birth weights in Figure 19-5 illustrate:
a. balanced polymorphism.
b. genetic drift.
c. neutral variation.
d. stabilizing selection.
e. disruptive selection