Describe some of the environmental risk factors associated with ASDs
What will be an ideal response?
Potential answers include the uterine environment during pregnancy, complications during pregnancy and delivery, maternal exposure to thalidomide, and maternal development of rubella (German measles) during pregnancy. Vaccines have been discussed as a potential environmental trigger, but there is no scientific evidence to support this theory.
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Import substitution is an important strategy for economic growth because
A) domestic (local) production is supported. B) all imports are able to compete on a level playing field. C) consumers pay less for imported goods. D) import processing zones function as engines of economic development. E) both domestic (local) production is supported and consumers pay less for imported goods.
The carbohydrate(s) found in nucleic acids is/are
A. ribose. B. glucose. C. galactose. D. deoxyribose. E. ribose AND deoxyribose.
What is the most common reason that new mutations are lost from a population?
A) Most mutations are caused by exposure to environmental mutagens that result in many mutations in the same individual, leading to death. B) Most mutations are silent. C) All new mutations result in lower reproductive fitness. D) Populations are of a finite size and new mutations can be lost by chance.
Stages of the cell cycle (G1, S, G2) during which growth and DNA synthesis occur when the nucleus is not actively dividing.
What will be an ideal response?