Because lipids are nonpolar, they must be wrapped by other molecules to be transported through the blood. This combined molecule is known as a ________.
Fill in the blank(s) with the appropriate word(s).
lipoprotein
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Phenylketonuria (PKU) is a genetic disease caused by mutation of the PAH gene, which normally produces the enzyme phenylalanine hydroxase. This enzyme is essential for the conversion of the amino acid phenylalanine into tyrosine. Without the enzyme, phenylalanine builds up in the blood and tissues of various body regions. It can produce severe skin discolorations and foul odor, but also intellectual disabilities and behavioral problems. Some people may experience only one type of PKU symptoms and not the others. PKU is an example of
A. incomplete penetrance. B. pleiotropy. C. genetic heterogeneity. D. complete penetrance.
____________________ and ____________________ are collectively referred to as thyroid hormone
Fill in the blank(s) with correct word
In what tissue would you expect to find very little if any extracellular matrix?
A. Nervous tissue B. Immune tissue C. Epithelial tissue D. Connective tissue E. Muscle tissue
Local hyperpolarization in a synapse is called a(an)
A. excitatory postsynaptic potential. B. resting membrane potential. C. inhibitory postsynaptic potential. D. gap junction potential. E. action potential.