The presence of a copper-colored pigment called ___________ has an effect on the darkness of a person's skin like melanin
Fill in the blank(s) with correct word
carotene
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Mass production gave rise to a culture of
A. competitiveness. B. consumption. C. creativity. D. instant communication. E. expansion.
Which of the following is true of erythroblastosis fetalis?
A. It is a recessive genetic abnormality in which the retina of the eye lacks the cones that are necessary for color vision and for seeing fine details. B. It is a late-onset genetic disease characterized by a loss of motor control resulting in jerky movements and is associated with psychiatric symptoms. C. It is a hemolytic disease affecting unborn or newborn infants and is caused by the destruction of the infant's Rh+ blood by the mother's anti-Rh antibodies. D. It is a genetic disease caused by the absence of the enzyme responsible for the conversion of the amino acid phenylalanine to tyrosine.
Nests built in a particular shape by a single species of bird are examples of __________
A. material culture B. cultural adaptation C. instinctual behavior D. learned behavior
It was the expanding influence and power of eastern Asian states that probably had the greatest impact worldwide in the last several hundred years
Indicate whether the statement is true or false