The normal function of a gene is to
a. encorde a protein
b. prevent illness
c. mutate into other cells
d. determine personality

The spleen contains lymphocytes that make

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

When you have proper posture, your back is arched. a. true b. false