Which feature is necessary for a scientific hypothesis?
What will be an ideal response?
It is falsifiable
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Recommend what type of data should be collected and analyzed in a systems biology approach to investigate how a non-pathogenic bacterial strain becomes pathogenic. Describe what scientific fields and methods would be involved in your recommendation
What will be an ideal response?
Match the following items with the correct phrases.
_______1. In the nitrogen cycle, bacteria called ____________________ convert atmospheric nitrogen gas into ammonia in the soil. _______2. ____________________ live in the root nodules of legumes such as alfalfa and clover. _______3. ____________________ are capable of converting the nitrogen within a dead plant or animal into ammonia in the soil. _______4. In the nitrogen cycle, soil organisms called ____________________ convert ammonia into nitrites, and nitrites into nitrates. _______5. In the nitrogen cycle, soil organisms called ____________________ convert the nitrogen in nitrates to nitrogen gas in the atmosphere. a. cyanobacteria b. denitrifying bacteria c. nitrifying bacteria d. nitrogen-fixing bacteria e. saprophytes
ATP is the organic molecule that is the main energy source for cell processes and is made with the energy released from the breakdown of glucose.
a. true b. false
Animal cells are permeable to water and urea but NOT to sucrose. The inside of a cell contains 1 M sucrose and 1 M urea and the outside 1 M sucrose and 2 M urea. The solution inside with respect to outside the cell is
A. hypotonic. B. hypertonic. C. isotonic. D. turgid. E. saturated.