The "cuddle hormone," secreted in greater quantities following sexual contact, is

a. testosterone.
b. estrogen.
c. follicle stimulating hormone.
d. melatonin.
e. oxytocin.


E

Biology & Microbiology

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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.

Biology & Microbiology

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).

Biology & Microbiology

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

Biology & Microbiology

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.

Biology & Microbiology