How do large polar molecules, such as the protein hormones secreted by endocrine cells or bacteria ingested by white blood cells, leave or enter the cell?
a. by the process known as vesicular transport
b. by the process of osmosis
c. by selective passive transport
d. by the help of large lipid carriers
e. by the help of large protein carriers
a
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Your fingertips are highly sensitive, yet geographically small areas of your body. You expect the area of the somatosensory cortex that receives afferent stimuli from them to be quite small as well.
Answer the following statement true (T) or false (F)
Vital centers for the control of heart rate, respiration, and blood pressure are located in the ________
A) cerebrum B) medulla oblongata C) midbrain D) pons
The functional blood supply that oxygenates the myocardium is provided by the right and left coronary arteries
Indicate whether the statement is true or false
What organ(s) is(are) nervous in structure but endocrine in function?
A) gonads B) thyroid C) posterior pituitary D) anterior pituitary E) thymus