Identify two plant macronutrients and two micronutrients and provide a physiological role for each.c What will be an ideal response?
A list of macronutrients, micronutrients, and their functions is shown in Table 36-1.
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Why is the water solubility of different nitrogen species of importance to agriculturalists? What processes in the nitrogen cycle are LEAST beneficial to agricultural production of crops?
What will be an ideal response?
A diploid (2n) hyphal cell of Neurospora crassa will take the next step in its life cycle by ________
a. breaking open to disperse spores b. undergoing meiosis to produce ascospores c. undergoing mitosis to produce more 2n hyphal cells d. finding a compatible strain and completing cytoplasmic fusion
In a shoot, where is the apical meristem located?
a. in the terminal bud b. in the center c. in the immature leaves d. in the leaf hair e. in the ground tissue
Sexual reproduction in eukaryotes increases genetic variation. In prokaryotes, transformation, transduction, and conjugation are mechanisms that increase genetic variation
A fundamental difference between the generations of genetic variation in the two domains is: A) Eukaryotes are able to generate mutations in response to environmental stress while prokaryotes only generate random variation. B) Eukaryotic variation occurs primarily within a single generation while prokaryotic variation occurs over many generations. C) Crossing over is a major mechanism in creating genetic variation in prokaryotes while independent assortment is a major mechanism is eukaryotes. D) Eukaryotic genetic variation occurs with vertical gene transfer while prokaryotic genetic variation occurs with horizontal gene transfer.