The transporter indicated by the letter "A" in
the above figure represents
a. an active Br transporter.
b. a sodium-potassium transporter.
c. a passive potassium transporter.
d. a calcium-phosphorus transporter.
e. none of these.
B
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Four of the five bones listed below are parts of the
same anatomical area. Select the exception. a. humerus b. fibula c. radius d. clavicle e. scapula
ATP is composed of a sugar, the organic base adenine, and:
A. phenylalanine B. three nitrate groups C. two phosphate groups D. three phosphate groups
The storage organ indicated by the letter "C" is called the ____
a. mouth b. crop c. gizzard d. rumen e. cloaca
You have a series of cells, some of which are cancerous. How might you determine which cells are cancerous?
A. Identify the cells that are not dividing uncontrollably. B. Identify the cells that have increased rates of cell death. C. Identify the cells with abnormal chromosome number or structure. D. Identify the cells that utilize Ras protein for growth inhibitory signals.