c . Nucleolus
d . Smooth endoplasmic reticulum
e . Nucleus
3 . Which of the following is not a major component of the plasma membrane ?
a . phospholipids
b . glycoproteins
c . proteins
d . DNA
4 . The rough endoplasmic reticulum is the area in a cell where Membrane proteins and secretory proteins are synthesized .
5 . The chloroplast functions in
a . lipid storage
b . protein synthesis
c . photosynthesis
d . DNA replication
6 . Cell membranes are made of two phospholipid layers called a
a . bilayer
b . hydrophilic
c . polarity