Haemoglobin contains iron, which means most worm blood – including that of earthworms and leeches – is red.What causes red worms in wastewater?Midges are often seen in large mating swarms over water. They lay their eggs in the water and in about ten days these eggs hatch to form larvae,...
red blood cells C. chlorophyll D. plasma Which gas readily combines with haemoglobin of the blood when inhaled? What are the various types of cells in human blood? What type of blood cell contains hemoglobin and carries oxygen? What organ produces red blood cells...
Universal pH paper is a special type of paper that contains an indicator that can change color when exposed to an acid or base. The colors that the paper can change, depending on the pH, include red, yellow, green, blue, or purple....
This on/off oxygen switch is made possible with help from complex larger molecules. The first is haem, a flat ring structure that holds an iron atom at its centre. Haem is held closely by proteins known as globin, and this combination forms haemoglobin, which is itself packaged up in redb...