Proteins are made of amino acids. what elements make up amino acids? look up the structures of the 20 amino acids in your textbook and list the 5 elements present.

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?