________ matter (particularly humus) makes soil dark or black
Fill in the blank(s) with correct word
Organic
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The only known "solution" to the loss of efficiency caused by rubisco-oxygenating RuBP is to raise the concentration of CO2 at the enzyme, using ATP generated by the thylakoid. Which of the following is likely most correct of such plants?
A. They are tolerant of shade. B. They require bright, sunny habitats. C. They do not produce O2. D. They do not produce reactive O2 species. E. They require high CO2 levels.
The neurotransmitter released from the nerve terminus at the neuromuscular junction is __________.
A. troponin B. Ca2+ C. tropomyosin D. acetylcholine
Organisms that use photosynthesis to capture energy and make their own organic compounds are known as producers or ____________________.
Fill in the blank(s) with the appropriate word(s).
Which tool did we use in class to re-root a phylogenetic tree?
A. Consensus tree program B. PHYLIP C. Figtree