In nutrient-rich water, photosynthetic protists may undergo population explosions known as __________.
Fill in the blank(s) with the appropriate word(s).
algal blooms
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Which of the following characteristics of transcription is the same for DNA replication?
A. The process has distinct initiation, elongation, and termination phases. B. Just one of the two strands of a DNA segment serves as a template. C. Only certain genes serve as templates at any given time. D. Nascent strands dissociate from the template. E. All of the choices given are the same for both transcription and DNA replication.
The process by which bacteria and fungi break down
nitrogenous materials forming NH4+ is a. nitrification. b. ammonification. c. denitrification. d. nitrogen fixation. e. respiration.
Fluid is filtered out of the bloodstream into the surrounding interstitial fluid at the arteriole end of systemic capillaries because
A) the osmotic pressure of the interstitial fluid is greater than that of the blood. B) the hydrostatic pressure of the blood is less than that of the interstitial fluid. C) the hydrostatic pressure of the blood is greater than the osmotic pressure of the blood. D) the osmotic pressure of the interstitial fluid is greater than the hydrostatic pressure of the blood. E) the osmotic pressure of the blood is greater than the hydrostatic pressure of the interstitial fluid.
Streptococcus pneumoniae is
A. called the meningococcus. B. in the viridans group. C. a gram positive diplococcus with a capsule. D. a pathogen with endotoxin. E. All of the choices are correct.