Which process does not require a concentration gradient?
A. Facilitated diffusion
B. Active transport
C. Osmosis
D. Diffusion
Answer: B
Anatomy & Physiology
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Anterograde transport is the movement of materials from synaptic knobs to the cell body
Indicate whether this statement is true or false.
Anatomy & Physiology
Which cells produce myelin in the brain and spinal cord?
A) Schwann cells B) Microglia C) Astrocytes D) Oligodendrocytes
Anatomy & Physiology
Positive feedback helps to restore normal function when one of the body's physiological variables gets out of balance
Indicate whether the statement is true or false
Anatomy & Physiology
Regulatory-protein transcription factors bind to ________ and activate ________, which tells the RNA polymerase ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology