About twelve to twenty-four hours after the previous meal, a person's blood-sugar level normally varies from 60 to 90 milligrams per 100 milliliters of blood, though it may rise to 130 mg/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 body's ability to carry out ______.
A. adaptation
B. inheritance
C. metabolism
D. homeostasis
E. evolution
Answer: D
You might also like to view...
Restriction endonucleases are a class of enzymes produced by bacteria.
Answer the following statement true (T) or false (F)
What cellular structure assembles amino acids
into polypeptides?
a. Golgi bodies b. mitochondria c. ribosomes d. centrioles e. lysosomes
In statistics, what is a sample?
A) the mean of a population to be studied B) a small subgroup of a population to be studied C) the correlation between the two different experimental factors D) a range of values with a high probability of containing the true mean
In the pressure-flow mechanism, loading of sucrose from companion cells to sieve-tube elements takes place through _____
A) plasmodesmata B) facilitated diffusion C) sucrose-H+ symporters D) sucrose-H+ antiporters