Identify the phase of cell division in which the nuclear envelope disappears and the chromatids become attached to the spindle fibers.
A) anaphase
B) prophase
C) interphase
D) telophase
E) metaphase
B) prophase
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Which list contains all four types of amino acids?
A. Ionic, covalent, hydrogen, and intramolecular B. Polar, nonpolar, ionic, and hydrophobic C. Charged, polar, nonpolar, and those with special functions D. Glutamate, aspartate, arginine, and thymine
The drug spironolactone causes increased reabsorption of K+. In doing so, it must ________.
A. block bicarbonate reabsorption B. activate Na+/K+ pumps C. stimulate hypertension D. inhibit the actions of aldosterone
Which of the following is not under dual control of the ANS?
A. Gastrointestinal motility B. Salivary gland activity C. Adrenal medulla activity D. Pupil diameter E. Heart rate
Premature aging is called
A. progeria. B. lactation. C. parturition. D. Alzheimer's disease. E. dementia.