Methylene blue
(a) is used to kill cells that are moving too quickly to observe.
(b) detoxifies cells so they are safe to handle.
(c) is used as food for Physarum cells.
(d) is a biological stain used to increase contrast of transparent cells.
(d) is a biological stain used to increase contrast of transparent cells.
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The process of transcription refers to the use of information encoded in ____ to make ____
a. RNA; a DNA strand b. DNA; a polypeptide c. DNA; a complementary RNA copy d. a polypeptide; RNA e. RNA; a polypeptide
Vitaminsare ____
a. organic substances b. inorganic substances c. required in small amounts for normal metabolism d. organic substances that are required in small amounts for normal metabolism e. inorganic substances that are required in small amounts for normal metabolism
MRSA is an acronym for __________.
Fill in the blank(s) with the appropriate word(s).
Which of the following mechanisms is not directly involved in inactivating an activated RTK?
(a) dephosphorylation by serine/threonine phosphatases (b) dephosphorylation by protein tyrosine phosphatases (c) removal of the RTK from the plasma membrane by endocytosis (d) digestion of the RTK in lysosomes