The relationship between plant roots and fungi can best be described as
A. predation.
B. mutualism.
C. an association.
D. parasitism.
Answer: B
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Mycoplasma
A. lack peptidoglycan. B. are the smallest free-living organisms. C. have sterols in their membranes. D. are killed by penicillin. E. lack peptidoglycan, are the smallest free-living organisms AND have sterols in their membranes.
Which of the following are required for evolution to occur?
a. genetic variability in a population b. selection for adaptive traits c. high level of individual fitness d. sexual reproduction e. genetic variability in a population and selection for adaptive traits
Glucose is absorbed through the membranes of the
small intestine primarily by a. osmosis. b. bulk flow. c. transport proteins. d. endocytosis. e. facilitated diffusion.
What type of cloning is used to create a new individual?
a. Reproductive b. Genetic c. Pharmaceutical d. Prophylactic e. Therapeutic