junction between cells formed by the joining of two adjacent plasma membranes; it lends strength and allows ions, sugars, and small molecules to pass between cells.
What will be an ideal response?
gap junction
Biology & Microbiology
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a. simple columnar b. all of the choices c. simple cuboidal d. simple squamous
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Embryonic plants are nourished by nutrients in endosperm and the ____, but not by nutrients in fruits
a. cotyledons b. seed coat c. germ d. bran e. ovary wall
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_________ speciation occurs within a species in a single geographic area.
Fill in the blank(s) with the appropriate word(s).
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The use of a positive selection marker in the development of Golden Rice 2 allowed the transgenic plants to grow on ________, which is usually unusable by plants
A) fructose 6-phosphate B) xylose 6-phosphate C) mannose 6-phosphate D) glucose 6-phosphate
Biology & Microbiology