The "cuddle hormone," secreted in greater quantities following sexual contact, is
a. testosterone.
b. estrogen.
c. follicle stimulating hormone.
d. melatonin.
e. oxytocin.
E
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During inspiration (a.k.a. inhalation) of air into the lung of a mammal
A. the chest cavity has a positive pressure. B. the diaphragm moves upward. C. the diaphragm contracts. D. the rib cage moves down. E. the intercostal muscles relax.
The subdiscipline of genomics that seeks to identify similarities and differences between genomes of different strains and species is called ________ genomics.
Fill in the blank(s) with the appropriate word(s).
Why is there a synaptic delay in gustatory receptors that is not seen in olfactory receptors?
a) gustatory receptors have a different threshold from olfactory receptors b) gustatory receptors have a separate cell & sensory neuron c) gustatory receptors have non-excitable membranes d) olfactory receptors have a different threshold
A typical AA battery has a potential of 1.5V. One can think of the potential in a neuron as having similarities to that of a battery.How does the resting potential of a typical neuron compare to that of a 1.5 V AA alkaline battery?
A. A typical neuron has a resting potential of -70V, or about 50 times the voltage of the battery. B. A typical neuron has a resting potential of -70mV, or about 5% the voltage of the battery. C. A typical neuron has a resting potential of +70V, or about 50 times the voltage of the battery. D. A typical neuron has a resting potential of +70mV, or about 5% the voltage of the battery.