Which molecule determines the fluidity of the plasma membrane?
A.
Protein
B.
Cholesterol
C.
Phospholipid
B
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The epidermis in the thin skin contains ________ layer(s) and in the thick skin contains ________ layers
A) 1; 2 B) 2; 3 C) 3; 4 D) 4; 5 E) 5; 6
How did the pressure in the left intrapleural cavity change when the valve was opened?
A. It went from a negative number to zero. B. It went from a positive number to a negative number. C. It went from a positive number to a negative number and the pressure in the intrapleural cavity equalized with the atmospheric pressure. D. It went from a negative number to zero and the pressure in the intrapleural cavity equalized with the atmospheric pressure. E. The pressure in the intrapleural cavity equalized with the atmospheric pressure.
Gross anatomy refers to the study of
A. structures formed by cells. B. structures visible to the unaided eye. C. structures not visible to the unaided eye. D. cells.
Strength training causes ________.
A. muscle atrophy B. a decrease in blood vessels to a muscle C. muscle hypertrophy D. a decrease in the number of mitochondria in a muscle cell