What molecule in the nucleus contains instructions for making proteins?
A) histone molecules
B) DNA
C) RNA
D) ATP
E) enzymes
Answer: B
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In research, what are two important features of model organisms? Provide an example of a model organism in physiological research
What will be an ideal response?
Which hormone, produced by the pituitary gland, is responsible for decreased urination?
A) Luteinizing hormone B) Antidiuretic hormone C) Prolactin D) Adrenocorticotropic hormone
A lipophilic chemical messenger uses a second messenger system to alter the activity of a target cell
Indicate whether the statement is true or false
During exchange at the capillaries, what can cross the endothelial cells, diffusing through the plasma membranes?
A. Proteins B. Large water-soluble substances C. Hormones D. Red blood cells E. Lipid-soluble substances