Replacement fertility rate is the:
A) average number of children that would be born to a woman over her lifetime.
B) number of childbirths per one thousand people per year.
C) number of children a woman must have on average to ensure that one daughter survives to reproductive age.
D) fertility rate that is not high enough to replace an area's population.
C) number of children a woman must have on average to ensure that one daughter survives to reproductive age.
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Proteins are made of smaller molecules (monomers) called _______
Fill in the blank(s) with the appropriate word(s).
The cyanobacterium Trichodesmium ________.
A. fixes a significant amount of N2 in oceanic environments B. uses nitrite as a source of nitrogen C. is a spherical organism D. fixes N2 during the day
When a runner or other long-distance athlete hits the "wall," the individual is experiencing oxygen debt in muscle cells. In those cells, the pyruvate generated in glycolysis would be expected to be converted to
A) fat. B) lactic acid. C) glucose. D) carbon dioxide. E) water.
True/False: Self proteins of infected cells are not recognized by cytotoxic T-cells.
What will be an ideal response?