Umami taste receptors are sensitive to
A. aspartic acid, glutamic acid, and MSG.
B. sodium or potassium salts.
C. sugars.
D. alkaloids and spoiled foods.
E. acids.
Answer: A
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Chromosome abnormalities include having a number other than 46, a chromosome that has an inverted sequence, and different chromosome types that exchange parts.
Answer the following statement true (T) or false (F)
Ovarian cancer is the deadliest of the reproductive cancers because it
A) is the most aggressive. B) is usually not diagnosed early. C) does not respond to any chemotherapy medications. D) affects the elderly population. E) is the most resistant to radiation therapy.
Which of the following is incorrect pertaining to the anatomy of the lung and/or pleura?
A) The parietal pleural generally extends three ribs inferior to the lung. B) The bifurcation of the trachea occurs approximately at the level of the sternal angle. C) The right main bronchus is wider and more vertical than the left. D) Each main bronchus supplies a lung. E) The right lung has a horizontal fissure.
In simple inheritance,
A) phenotypic characteristics are determined by a single pair of alleles. B) phenotypic characteristics are determined by multiple alleles. C) phenotypic characteristics are determined by the action of two genes. D) phenotypic characteristics are controlled by regulator genes on a chromosome other than the one that has the structural genes. E) phenotypic characteristics are determined by the genes on the Y chromosome.