Uneb uace biology paper one and two 2008

Uneb uace biology paper one and two 2008

1. In the body, proteins may combine with acids or bases depending on the
a. Temperature of the medium
b. Hydrogen ion concentration in the medium
c. Number of solvent molecules present in the medium
d. Number of amino acid molecules in the protein.
2. The epithelia type lining the mammalian alveoli is
a. Columnar
b. Cuboid
c. Stratified
d. squamous