When voltage -gated K+ channels of a resting neuron open,
A) K+ enters the neuron.
B) K+ leaves the neuron and the neuron depolarizes.
C) K+ enters the neuron and the neuron depolarizes.
D) K+ leaves the neuron.
E) the neuron depolarizes.
D) K+ leaves the neuron.
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________ is the division of the cytoplasm during cell division.
Fill in the blank(s) with the appropriate word(s).
The integrating center for neural control of blood pressure resides in the
A) cerebellum. B) pons variolli. C) hypothalamus. D) cerebrum. E) medulla oblongata.
________ stimulates Ca2+ deposition by osteoblasts and Ca2+ excretion by the kidneys.
A. Parathyroid hormone B. Thyroid hormones C. Calcitonin D. Aldosterone
One function of the integumentary system is to act as a barrier to bacteria, however there are many microbes that already live on or in our bodies without causing infections
Some treatments for acne include specific oral antibiotics, such as erythromycin and tetracycline, to reduce the amount of Propionibacterium acnes on the skin and in the follicles. Knowing there are both ‘good' and ‘bad' bacterial forms of P. acnes, which of the following statements about using antibiotics is true? Check all that apply. What will be an ideal response?