Collagen fibers are to the extracellular matrix as ________ is to the cell wall.
Fill in the blank(s) with the appropriate word(s).
cellulose
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Antidiuretic hormone (ADH) decreases the amount of water absorbed by the kidneys and increases the volume of urine output.
a. true b. false
Gene targeting is currently being used in all of the following applications except:a
study of immune system function. b. investigations into cancer. c. study of respiratory diseases. d. forensic science. e. the study of development of embryos.
Which hormone stimulates both leaf abscission and fruit ripening?
a. abscisic acid b. auxin c. cytokinin d. ethylene e. gibberellin
Independent of whether an organism is an endotherm or ectoderm, the LEAST reliable indicator of an animal's metabolic rate is the amount of _____
A) food eaten in one day B) heat generated in one day C) oxygen used in mitochondria in one day D) water consumed in one day