Kali and Kelly are identical twins. What caused this?
A. A single zygote split into two.
B. A single zygote was fertilized twice.
C. Two separate zygotes were fertilized by the same sperm.
D. Two separate zygotes were fertilized at two separate times within the same month.
Answer: A
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A. malnutrition B. undernutrition C. starvation D. caloric restriction
By the year 2000, more than half of all calorie consumption in the United States was from ______.
A. proteins alone B. fats alone C. carbohydrates alone D. carbohydrates and fats
A time period for adults is characterized by assessment: "Where is my life going?" and "Why am I doing this?". During which state is this reassessment brought up?
A. Early 20s B. Early 30s C. Late 30s D. Early 40s
Electroconvulsive therapy is primarily used in the treatment of depression
Indicate whether the statement is true or false