The use of modern molecular techniques has provided a mechanism for growing some of the microorganisms previously referred to as unculturable.
Answer the following statement true (T) or false (F)
True
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Which of the following is needed as a reactant for the first step of the citric acid cycle?
a. Malic acid b. Succinyl CoA c. Oxaloacetic acid d. Citric acid
Because of the environmental impact of inorganic fertilizers, scientists are working to engineer plants that more efficiently acquire phosphate. Which options below are likely to achieve that goal? (check all that apply)
_____ Plants that express more phosphatase. _____ Plants that make mycorrhizal associations with fungi. _____ Plants that grow less complex root systems. _____ Smart plants that can sense phosphate levels. _____ Plants that secrete less organic acid.
The letter “A” in the above figure represents
a. sclerenchyma fibers. b. parenchyma. c. xylem. d. epidermis. e. phloem.
Variation within and among species would increase dramatically if the environment were homogeneous
Indicate whether the statement is true or false