what is the first step in endocytosis?
What will be an ideal response?
plasma membrane folds inward, producing a deep, narrow furrow
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____________________ are the receptors that display the least amount of adaptation
Fill in the blank(s) with correct word
Which factor, when increased, increases metabolic rate to the greatest extent?
A. skeletal muscle activity B. mental activity C. dietary caloric intake D. environmental temperature E. blood glucose levels
Depression of the ribs increases the lateral dimensions of the thoracic cavity
Indicate whether this statement is true or false.
The embryonic origin of the posterior pituitary gland is
A. epithelium from the oral cavity. B. nervous tissue from the area of the hypothalamus. C. an outpocket of the nasal cavity. D. glandular tissue from the cerebrum.