A fish detects vibrations in the water by means of its ____, which contains numerous ____.
A. lateral line, hair cells
B. ear, statocysts
C. swim bladder, stretch receptors
D. skin, mechanoreceptors
E. lateral line, thermoreceptors
A. lateral line, hair cells
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One characteristic of life and living systems is that they are able to adapt. In general, cells interact with other cells and their environment through the action of their _____
A) plasma membrane and extracellular matrix B) microtubular tracks C) hormones D) intracellular electrical currents
Erythropoietin
a. is the most common blood protein. b. is secreted by the liver. c. stimulates the red bone marrow to generate red blood cells. d. is an enzyme that functions in blood clotting. e. increases the ability of plasma to transport carbon dioxide.
In the cell cycle, cells can progress from G1 to S to G2, and to mitosis and cytokinesis. The timing of these events is controlled by which of the following?
a) cyclins b) cyclin-dependent protein kinases (Cdks) c) actin myofilaments d) centrosome e) cyclin-Cdk complexes
When making sugar, where does the supply of H, C, and O each come from