________ carry a signal across the synapse between two adjacent nerve cells
Fill in the blank with correct word.
Answer: Neurotransmitters
Biology & Microbiology
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The sensor kinase for the OmpF: OmpC two-component regulatory system is
A. the MicF RNA. B. the OmpK protein. C. the EnvZ protein. D. None of the choices are correct.
Biology & Microbiology
In vertebrates, which of the following is not a function of calcium?
A. blood clotting B. muscle contraction C. transport of oxygen to the body's cells D. cell membrane permeability E. strengthening of bone
Biology & Microbiology
The first stage of the ovarian cycle is the _____________
Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
The pigment responsible for the red-yellow coloration seen in leaves during the color change in autumn is
A. carotenoid. B. chlorophyll a. C. chlorophyll b. D. phytol. E. porphyrin.
Biology & Microbiology