Spartina alterniflora allocates more ________ to outcompete Juncus gerardi
A) carbon to root biomass
B) carbon to leafs
C) nutrients to herbivores
D) water to root biomass
B
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Which of the following statements DOES NOT characterize decomposers?
A. They feed on nonliving organic matter. B. They play an important role in nutrient cycling. C. They break down wastes. D. They release nutrients that other organisms can use. E. They synthesize organic molecules.
Sickle cell anemia is caused by a missense mutation. Indicate whether the statement is true or false
T cells
A) mature in the bone marrow. B) circulate in low numbers in the blood. C) produce antibodies. D) function in helping other immune cells.
You have isolated a mutant in which a fraction of the new cells die soon after cell division and a fraction of the living cells have an extra copy of one or more chromosomes
When you grow the cells under conditions in which they transit the cell cycle more slowly, the defect disappears, suggesting that the mitotic spindle and segregation machinery are normal. Propose a basis for the defect.