The rapid onset of overproduction of immature white blood cells is known as:
a. anemia.
b. hemolytic anemia.
c. leukemia.
d. thrombocytopenia.
e. pernicious anemia.
ANSWER: c
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a. exergonic; exothermic b. endergonic; endothermic c. endergonic; exergonic d. exergonic; endergonic e. exergonic; endothermic
If meiosis did NOT occur in sexual
reproducing organisms,
a. growth of the zygote would be halted. b. mitosis would be sufficient. c. gametes would be haploids. d. the chromosome number would double each generation. e. eggs would be haploid, but sperm would be diploid.
If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions _____
A) is 10 times higher in the cytoplasm than in the mitochondrial matrix B) is 10 times higher in the mitochondrial matrix than in the cytoplasm C) in the cytoplasm is 7/8 the concentration in the mitochondrial matrix D) in the cytoplasm is 8/7 the concentration in the mitochondrial matrix
Which of the following is not recycled in an ecosystem?
a) Nitrogen b) Sulfur c) Carbon d) Energy