Which of the following statements about polysaccharides are true?
A) Polysaccharides contain hundreds of thousands of monosaccharide subunits.
B) Polysaccharides are only composed of one type of monomeric unit.
C) Polysaccharides are insoluble.
D) All of the above are true.
E) None of the above are true.
Question 2
The density of air at 25C and 1 atmosphere of pressure is about . What happens to the density of air as the temperature is increased? When the pressure is increased?
A) temperature increase causes density to decrease; pressure increase causes density to increase
B) temperature increase causes density to decrease; pressure increase causes density to decrease
C) temperature increase causes density to increase; pressure increase causes density to increase
D) temperature increase causes density to increase; pressure increase causes density to decrease