________ is a trace mineral that is a component of hemoglobin, myoglobin, and cytochromes.
A) Magnesium
B) Calcium
C) Zinc
D) Copper
E) Iron
E) Iron
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The complete set of genetic instructions in an individual is the ________.
Fill in the blank(s) with the appropriate word(s).
Marjorie suffers from phlebitis. She has
A. extra capillaries in her legs. B. inflammation of her arteries. C. too much phlegm in her throat. D. inflammation of her veins.
About 40% of the energy released through catabolism is used to convert ADP to ATP. What happens to the remaining 60% of energy?
A) It is destroyed during the catabolic activities. B) It is used to convert RNA to DNA. C) It is immediately used in anabolic processes. D) It escapes as heat to warm the tissues. E) It transforms into mechanical energy.
Explain how the ionic compound sodium chloride dissolves in water
A) The positive poles of water molecules are attracted to the negatively charged chloride ions, and the negative poles of water molecules are attracted to the positively charged sodium ions. B) The positive poles of water molecules are attracted to the positively charged chloride ions, and the negative poles of water molecules are attracted to the negatively charged sodium ions. C) The negative poles of water molecules are attracted to the negatively charged chloride ions, and the positive poles of water molecules are attracted to the positively charged sodium ions. D) The negative poles of water molecules are attracted to the positively charged chloride ions, and the positive poles of water molecules are attracted to the negatively charged sodium ions. E) Sodium chloride is hydrophobic so it does not dissolve in water.