1.Lipids
a.Yield less energy per gram than do carbohydrates
b.Include cartilage and chitin
c.Include fats consisting of one fatty-acid molecule and threeglycerol molecules
d.Are composed of monosaccharides
e.None of the above
2.The endoplasmic reticulum
a Serves as the internal transportation system of a cell
b Is the inner membrane of the mitochondria
c Is characterized by the presence of ribosomes throughout
d Manufactures ATP
e Is found in the nucleus as well as in the cytoplasm
3.
Photosynthesis is associated with all of the followingEXCEPT
a Chloroplasts
b Plastids
c Grana
d Thylakoid
e Vacuoles
4.
Which type of organelle can break down substances without oxygenand in a low pH environment?
a Peroxisome
b Lysosome
c Central vacuole
d Mitochondria
5.
Which statement is true of plasma membranes?
a They have molecules on their surfaces that identify them
b They are essentially impermeable
c They are basically static, nonchanging structures
d They are hydrophilic barriers between cells
e They function primarily through the activity of theircarbohydrates
