Compared with normal hemoglobin, the hemoglobin of a person with sickle cell disease
a.
is longer.
b.
is shorter.
c.
has a different sequence of amino acids.
d.
is sickle-shaped.
e.
has the same sequence of amino acids.

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Where can a dna be found in a prokaryotic cell

About how much of the cell mass is watet