Only small amounts of enzymes are required for reactions within cells because enzymes
a. fragile
b. reused
c. small molecules
d. constantly synthesized

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Great Question! The Answer To This Question Would Be "B"

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in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.