Starch and cellulose are examples of ________
A) lipids
B) carbohydrates
C) sterols
D) nucleic acids
E) proteins
B
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The separation of the continental crust and its submergence beneath the sea are significant sources of
danger created by earthquakes. Indicate whether the statement is true or false.
Which of the following is true?
A) The [H+] in the intermembrane space and in the interior of the mitochondrion are equal. B) The [H+] in the intermembrane space is always higher than that in the interior of the mitochondrion. C) The [H+] in the intermembrane space is always lower than that in the interior of the mitochondrion. D) The [H+] in the intermembrane space is sometimes higher and sometimes lower than that in the interior of the mitochondrion.
About half the world's forests are protected from cutting
Indicate whether the statement is true or false.
Which of the following is the SI unit of radiation activity?
A) the becquerel B) the curie C) the millicurie D) the roentgen