What would be an example of a cell maintaining homeostasis at the cellular level?
A) a cell of the intestine secretes digestive enzymes
B) a muscle cell contracts
C) a sperm fertilizes an egg
D) a cell takes up potassium to maintain the proper cytoplasmic potassium concentration
E) a cell divides to become two cells
D
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The time period of the embryo is two weeks gestation to ________.
Fill in the blank(s) with the appropriate word(s).
Under the microscope, the Gram stain revealed dark blue/purple spheres in a cluster and were identified as ____________________________________________ morphology
Fill in the blank(s) with correct word
A sensory receptor generates action potentials if disturbed by an environmental change or ____________________
Fill in the blank(s) with correct word
Hair and nails are composed of collagen.
Answer the following statement true (T) or false (F)