The genus Arthrobacter has a distinctive growth cycle in which branched rod-shaped bacteria are produced in the exponential phase, and cocci are found in stationary phase cultures.
Answer the following statement true (T) or false (F)
True
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Why are conifers and cycads considered gymnosperms?
A. They have true vascular tissue but do not form seeds. B. The female gametophyte is not completely enclosed in sporophyte tissue at the time of pollination. C. The fruit is not fleshy. D. The pollen is wind dispersed. E. Pollination and fertilization occur at different times.
Kidney function is measured by the____
a. amount of urine produced over a 24-hour period b. rate of filtration c. rate of tubular secretion d. rate of absorption e. volume of urination produced overnight
The central nervous system of vertebrate animals consists of
A. all nerves in the body. B. the spinal cord. C. the brain. D. the brain and spinal cord. E. nerves originating at sensory receptors.
Biology developed as a science later than physics because:
A) it is more difficult to come up with ways of describing nature. B) biologists had to invent rules of the living world before they could describe the forms. C) the living world is tremendously diverse compared to the non-living world. D) biology is less complex than physics.