When using ________ as a terminal electron acceptor, Thiobacillus can sequentially reduce nitrate to nitrogen gas in a process called ________. Certain Thiobacillus species can also chemolithotrophically use ________ as an electron donor.
What will be an ideal response?
nitrate, denitrification, ferrous iron
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During photosynthesis plants make glucose (C6H12O6) from CO2 and water using light. This is an example of:
a. endothermic reaction b. endergonic reaction c. a decrease in entropy d. non-spontaneous reaction e. all the above
Trace a drop of blood as it enters the vena cava and travels through the heart and body. Include the major vessels and the heart chambers and valves in your answer
What will be an ideal response?
Peristalsis is ________.
a) the process by which the chest cavity is enlarged to allow inhalation b) the distinguishing characteristic between chordates and vertebrates c) a series of muscular contractions that moves food through the digestive tract d) an infection of the bronchioles, resulting in reduced air flow to the lungs.
A chemical imbalance in the blood can cause the heart to stop pumping blood, which will have a detrimental effect on other organs. This observation can be attributed to:
A. emergent properties B. reductionism C. equilibrium state D. evolutionary conservation