Which feature of a 15q deletion is present in both Angelman syndrome and Prader-Willi syndrome?
A. Light skin, eye, and hair coloring
B. Continuous smiling and jerky gait
C. Excessive appetite and weight gain
D. Progressive tremors and seizure activity
A) light skin, eye, and hair coloring
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When cysteine-tRNAcys is treated with nickel hydride, alanine-tRNAcys is the product. Alanine-tRNAcys will base pair with which codon?
[insert Figure TB17.1 here] A. UGC B. GCU C. AUG D. AGU
A decrease in cortisol triggers secretion of CRH (corticotropin-releasing hormone) by the hypothalamus which then stimulates secretion of ____ by the anterior pituitary
a. cortisol b. adrenocorticotropic hormone c. adrenal cortex-stimulating hormone d. cortisol-stimulating hormone e. aldosterone
When reactants and products are being formed at an equal rate in a chemical reaction the reaction is
1.endergonic. 2.exergonic. 3.at equilibrium. 4.resting. 5.catabolic.
Most O2 is transported in the blood
a. dissolved in the plasma. b. as bicarbonate ions. c. bound to hemoglobin. d. as carbon dioxide. e. bound to bicarbonate ions.