When the cell wall is removed from a Gram-negative bacterium without removing the outer membrane, the resulting form is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
spheroplast
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Which is not true of cadherin proteins?
A. They are cell adhesion molecules. B. An endodermal cadherin can only bind to an endodermal cadherin. C. They maintain the different germ cell layers. D. They establish morphogenic fields. E. They ensure that certain cells will move together.
What happens when a seed absorbs water and causes the plant embryo to release gibberellin?
a. Glucose levels decrease as a direct effect of gibberellin on the endosperm. b. The aleurone starts expressing amylase inhibiting transcriptional repressors. c. A protein-rich layer of cells surrounding endosperm starts growing in response to the hormone. d. The endosperm absorbs the hormone. e. Amylase is released from the aleurone and breaks down starch in endosperm.
Which plants are best adapted for very dry, hot environments such as deserts?
A) C2 plants B) C3 plants C) C4 plants D) CAM plants
If you were building a hypothesis test to determine whether or not the price elasticity of demand for your product is -3.0, which of the following would be a natural null hypothesis?
A. H0: Price Elasticity of Demand = 1 B. H0: Price Elasticity of Demand = -1 C. H0: Price Elasticity of Demand = 0 D. H0: Price Elasticity of Demand = -3.0