When the cell is NOT sending signals, the electrical difference between the inside and outside of a neuronal membrane is specifically referred to as the

A. action potential.
B. graded potential.
C. resting potential.
D. membrane potential.
E. reversal potential.


C. resting potential.

Biology & Microbiology

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The first step of an action potential, when the membrane potential of a neuron shifts from negative to positive due to inward movement of sodium ions, is referred to as ________

Fill in the blank(s) with correct word

Biology & Microbiology

The average human body at rest burns about ________ Calories per hour

A) 500 B) 5,000 C) 70 D) 1,000 E) 1

Biology & Microbiology

Identify the correct order of events for a person who has contracted an HIV infection.a. The immune system reduces the virus levels in the blood.b. HIV infected cells proliferate, increasing the number of infected helper T cells.c. Patient experiences mild flu-like symptoms.d. A deficiency in the number of helper T cells causes the patient to develop additional health problems.e. The blood contains a high amount of the virus.f. The virus mutates so it is not recognizable by the immune system.

A. d - e - c - a - b - f B. e - c - a - b - f - d C. d - c - a - b - f - e D. e - c - b - a - f - d E. e - a - b - c - f - d

Biology & Microbiology

All of the following pertain to transcription except

A) Required RNA polymerase B) Requires a template DNA strand C) Requires a promoter D) Occurs on a ribosome in the cytoplasm E) Occurs before translation

Biology & Microbiology