Which of the following is part of the apoplast?
A. Cell wall
B. Plasma membrane
C. Plasmodesma
D. Cytoplasm
Ans: A. Cell wall
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Which class has two shells hinged at the dorsal side and lack a radula?
a. Monoplacophora b. Gastropods c. Scaphopoda d. Bivalvia
Slow weathering of sedimentary rock makes "new" ________ available in the exchange pool found in soil
A) phosphorus B) nitrogen C) high-energy carbohydrates D) PCBs E) oxygen
According to recent genetic research, the complexity of an organism
A) is directly correlated with the number of protein-coding genes in its genome. B) is inversely related to the number of protein-coding genes in its genome. C) has more to do with how genes are used or regulated than with which genes are present.
The condition in which walls of the alveoli break down, thereby creating fewer and larger chambers, is called ________
A) TB B) bronchitis C) influenza D) emphysema