The sheaths that surround neurons are composed of
a. amino acids.
b. lipids.
c. cholesterol.
d. carbohydrates
e. polysaccharides.
B
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When will E. coli turn on their genes to harvest glucose from lactose? a. When there is starch in the gut
b. When there is lactose in the gut. c. When there is fat in the gut. d. When there is glucose in the gut. e. When there is protein in the gut.
Which of the following correctly describes a reaction that has reached chemical equilibrium?
A) The rate of the forward reaction is equal to the rate of the reverse reaction. B) All of the reactants have been converted to the products of the reaction. C) All of the products have been converted to the reactants of the reaction. D) Both the forward and the reverse reactions have stopped, with no net effect on the concentration of the reactants and the products.
This cellular structure lacks a membrane:
endoplasmic reticulum chloroplast nucleus nucleoid Golgi body
A fungal filament in which all the nuclei are genetically similar is said to be a ________.
Fill in the blank(s) with the appropriate word(s).