Which of the following about soil with low pH is false?
a. Aluminum is more soluble.
b. Calcium phosphate becomes less soluble.
c. Acidic soil can be found in Pygmy forest in California.
d. Potassium is leached more readily from the soil.
e. Manganese may be available in toxic concentrations.
b
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It has been hypothesized that fungi and plants have a mutualistic relationship because plants make sugars available for the fungi's use. What is the best evidence in support of this hypothesis?
A) Fungi survive better when they are associated with plants. B) Radioactively labeled sugars produced by plants eventually show up in the fungi with which they are associated. C) Fungi associated with plants have the ability to undergo photosynthesis and produce their own sugars, while those not associated with plants do not produce their own sugars. D) Radioactive labeling experiments show that plants pass crucial raw materials to the fungus for manufacturing sugars.
Which of these is an incorrect comparison between flagella and cilia?
A. Flagella are longer structures than cilia. B. Flagella have essentially the same internal structure of cytoskeleton proteins as cilia. C. Flagella are used for propulsion, while cilia are used to attach cells to other cells or surfaces. D. Flagella and cilia are both used for types of cellular movement. E. Flagella are found in all three domains of organisms, while cilia are found only in Eukarya.
The defense response against a mismatched transfusion is called ____
a. precipitation b. immunization c. agglutination d. ABO typing e. transfusion allergy
Fragile sites appear as ____________________ or ____________________ at specific sites on a chromosome.Fill in the blank(s) with the appropriate word(s)