The correct sequence of plant cell wall layers, beginning with the outermost layer and progressing
inward to the plasma membrane is ____.
a. secondary cell wall, middle lamella, primary cell wall
b. middle lamella, primary cell wall, secondary cell wall
c. middle lamella, secondary cell wall, primary cell wall
d. secondary cell wall, primary cell wall, middle lamella
e. primary cell wall, middle lamella, primary cell wall
B
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Which of the following is NOT a necessary component of a "true" circulatory system?
A. blood or hemolymph B. blood vessels C. one or more hearts D. capillaries E. All of these choices are components of a true circulatory system.
A student drops his notes, and his papers scatter. The fact that the papers scatter and do not remain neatly stacked is an illustration of
A) the first law of thermodynamics. B) the second law of thermodynamics. C) an increase in entropy. D) both choices A and B E) both choices B and C
Erythropoietin is a hormone secreted by the spleen that results in an increased production of red blood cells
Indicate whether the statement is true or false
Leuconostoc species have the ability to grow in high concentrations of sugar, making them a major problem in sugar refineries during the production of heavy syrup.
Answer the following statement true (T) or false (F)