Sphagnum moss plays an important role in the global carbon cycle because it stores large amounts of organic carbon
A. true
B. false
A
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Which stages of meiosis is most poorly understood?
a. how daughter cells are cleaved b. how homologous chromosomes are separated c. how homologous chromosomes pair d. the mechanism of crossing-over e. how the regulatory pathways of meiosis operate
Strong selection against the dominant phenotype
a. reduces the equilibrium frequency of the dominant genotypes b. completely eliminates the dominant genotypes c. has no effect on the dominant genotypes
In fetal circulation, most blood is shunted away from the lungs. Why is this the case?
A) The lungs have their own circulation. B) The lungs don't need any blood. C) The lungs do not form until right before birth. D) The fetus receives oxygen at the placenta, and the lungs are not yet fully functional.
The G + C content of a cell is used in classification of (Archaea/Gram-positive/Gram-negative) prokaryotes.
Fill in the blank(s) with the appropriate word(s).