Modern humans are classified as belonging to the species ________
Fill in the blank(s) with correct word
Homo sapiens
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The structure(s) critical to the function of a chemical synapse include
_____ gap junctions. _____ neurotransmitters. _____ vesicles. _____ voltage-gated Ca2+ channels. _____ electrical signals.
Neurons known as "pacemaker" cells:
A) are the output cells for oscillator circuits B) have inherent spontaneous rhythms C) control heart heart D) None of the above
The medulla of the adrenal gland produces eninephrine (i.e. adrenaline).
a. true b. false
Sexual reproduction _____________________.
A. leads to uniform characteristics within a population B. results in new combinations of genetic traits C. creates genetic clones D. requires less tissue differentiation than asexual reproduction E. produces genetic clones and requires less tissue differentiation than asexual reproduction