-- Perihelion . . . Point in Earth's orbit where we're closest to the sun.
We get there sometime during the first few days of January.
-- Aphelion . . . Point in Earth's orbit where we're farthest from the sun.
We get there sometime during the first few days of July.
-- Perigee . . . Point in the orbit of the Moon or any artificial satellite
where it's closest to the Earth.
-- Apogee . . . Point in the orbit of the Moon or any artificial satellite
where it's farthest from the Earth.
Ovalbumin is the component of egg white which is responsible for foam formation.
Ovalbumin is the main protein component of the egg white and it is responsible for creating the foam structure when the egg whites are beaten. The physical stress caused by beating the egg white, causes the protein ovalbumin to denature and unfold. This denaturation, along with the mixing of air in the egg white, causes the formation of foam.
Answer:
cell membrane
Explanation:
There are thousands of proteins embedded in the cell's lipid bilayer
