The role of nutrition in the improvement of spina bifida is an example of a _____ effect
A. cumulative
B. polygenic
C. epigenetic
D. penetrative
E. phenotypic
C
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The ____ produces gastrin that activates secretion of HCl and pepsinogen within itself
a. mouth b. liver c. large intestine d. small intestine e. stomach
Uterine contractions are most likely an example of
a. a unique human reproductive phenomena. b. negative feedback. c. positive feedback. d. programmed events. e. positive feedback and programmed events.
Respiratory exchange requires a membrane that is or
does all of the following EXCEPT a. is thin. b. is moist. c. is permeable to gases. d. separates partial pressure gradients of O2 and of CO2. e. all of these.
Retention of the full genomic structure during cell differentiation is termed DNA constancy
Indicate whether the statement is true or false