Phenylketonuria (PKU) is a genetic disorder in which __________
A) the body produces too much of the amino acid phenylalanine
B) the body cannot break down the amino acid phenylalanine
C) a lack of phenylalanine, if not supplemented, causes intellectual disability
D) a missing enzyme can be supplied by a protein-rich diet
Answer: B
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Gerard is making some chicken soup. His roommate tastes it and tells Gerard it is perfect, but Gerard thinks it needs more salt. He adds just a little salt and thinks that now it tastes fine. However, his roommate tastes it again and tells Gerard that now it is ruined because it has too much salt. Based on research conducted by psychophysicists you should conclude that compared to his roommate,
Gerard has: a. a lower absolute threshold for the taste of salt b. a lower perceptual invariance for the taste of salt c. a higher difference threshold for the taste of salt d. a higher absolute threshold for the taste of salt
No period of development is a critical or sensitive period unless a combination of maturation and experience make it so
Indicate whether this statement is true or false.
Explain the role of a zeitgeber and give some examples including the most potent for humans.
What will be an ideal response?
Provide an overview of primary sex characteristics and secondary sex characteristics
What will be an ideal response?