About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 mg per 100 ml of blood, although it may rise to 130 mg per 100 ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range, despite uneven intake of sugar, is due to the bodily process called:
a. adaptation
b. homeostasis
c. inheritance
d. metabolism
e. development
b
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A thin ribbon of a silver alloy 2.00-cm wide and 0.015 0-mm thick carries a current of 6.98 A perpendicular to a magnetic field. The Hall voltage is found to be 1.24 × 10^?4 V when the magnetic field is 2.50 T. Calculate n, the number of charge carriers per cubic meter
In choosing between sound waves and radio waves, which has the greater speed?
A) sound wave B) radio wave C) both the same D) need more information
What is the role, if any, of aerosols in climate? Explain
What will be an ideal response?
Electrons are accelerated through a potential difference of 90.0 kV and directed at a tungsten target to produce x-rays. What is the shortest wavelength of the x-rays produced?
A. 669 pm B. 508 pm C. 72.6 pm D. 13.8 pm E. 14.3 pm