It is generally accepted that independent mutation rather than gene duplication is the mechanism for evolution of most new genes
Indicate whether the statement is true or false.
Answer: FALSE
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Chondrocytes in a matrix with many elastic fibers.
What will be an ideal response?
Members of the genus Actinomyces are either straight or slightly curved rods, or slender filaments with true branching.
Answer the following statement true (T) or false (F)
Which event will not occur during the fall overturn? a. There is a brief burst of primary production
b. Nutrient rich water moves upward. c. Nutrients come to the surface of the water. d. Oxygen rich water will move upwards. e. The thermocline disappears.
A group of plant geneticists discovers a mutant plant that has a deficiency in gibberellin production
All other hormones, including auxins, cytokinins, florigens, ethylene, and abscisic acid, are produced in normal quantities and are not directly affected by this mutation. Based on this scenario, the mutant plant most likely exhibits A) stomata that don't close. B) a lack of gravitropism in the roots. C) a lack of phototropism in the shoots. D) a dwarf growth pattern (very short stem). E) delayed senescence.