Keeping the internal environment within a tolerable range is called _____.
A) stimulation
B) homeostasis
C) balance
D) response
E) compensation
Answer: B) homeostasis
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Which of the molecules listed in question 5 are involved in translation?
A. DNA, B. mRNA, C. tRNA, D. Amino Acids
Which of the following is NOT a function of the lymph vascular system?
a. collecting water and solutes from blood capillaries b. picking up fats absorbed by the small intestines c. being a major site for T and B cell activation d. transporting foreign materials to lymph nodes e. returning water and solutes to general circulation
It is important that the atrioventricular (AV) node produce a delay between the contraction of the atria and the contraction of the ventricles because this allows the
A) ventricles to contract in smooth synchrony. B) heart to rest for a brief period of time. C) ventricles to fill to capacity. D) atria to contract in smooth synchrony.
People with allergies do not produce IgE.
Answer the following statement true (T) or false (F)