Which of the following lymphatic structures do NOT display the outer cortex/inner medulla pattern?
a. tonsils
b. spleen
c. thymus
d. tonsils and spleen
Ans: d. tonsils and spleen
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This type of membrane protein extends across the entire lipid bilayer of the plasma membrane touching both intracellular fluid and the extracellular fluid
a) complement protein b) transmembrane protein c) peripheral protein d) lipoprotein e) All of these choices are correct.
Cardiovascular diseases typically affect
A) young children. B) young women. C) old men. D) old men and old women. E) young men.
Electrons
A. are the subatomic particles most involved in bonding behavior of atoms. B. have a positive charge of one. C. comprise the majority of the mass of an atom. D. do not participate in the bonding of atoms. E. are located in the nucleus of an atom.
What is a hormone?
A. a chemical released from a nerve cell that affects nearby cells across a synapse B. a chemical released from an endocrine gland that affects target cells without entering the bloodstream C. a chemical found in the blood that catalyzes the destruction of ingested toxins and foreign substances D. a chemical excreted from sweat gland that signals other individuals about the physiological status of the body E. a chemical regulator secreted from an endocrine gland that travels through the bloodstream to affect target cells