Which of the following statements correctly describes the relationship between DNA, RNA, and transcription factors?
A) There is only one transcription factor for each region of DNA encoding RNA.
B) Transcription factors must always bind close to the transcription start site.
C) Phosphorylation is one way of regulating interactions between proteins required for transcription of DNA.
D) Transcription factors carry out the process of transcription themselves.
Answer: C
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The molecule responsible for making cyclic AMP is called
A) adenylate cyclase. B) adenosine. C) anandamide. D) adenosine synthase. E) G-protein.
Which of the following is NOT a common effect of glucocorticoid stimulation?
a) Protein and fat breakdown b) Glucose formation c) Depression of immune responses d) Reduction of inflammation e) Increased production of all types of blood cells
The _____ matter of the spinal cord consists of my elinated axons and the _____ matter consists of cell bodies of neurons and dendrites
Fill in the blank(s) with correct word.
Neurotransmitters
A. cause the production of action potentials in the postsynaptic membrane. B. do not affect membrane channels in the postsynaptic membrane. C. bind irreversibly to the receptor molecules of the postsynaptic membrane. D. remain in the synaptic cleft for long periods of time. E. stimulate presynaptic terminals.