We need carrier proteins for steroid hormones because they help in the transportation from the cell they were released from to their target cell.
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They are examples of precipitation
Answer:
haemoglobin
Explanation:
Inside the air sacs, oxygen moves across paper-thin walls to tiny blood vessels called capillaries and into your blood. A protein called haemoglobin in the red blood cells then carries the oxygen around your body
a major connective tissue. loose, fibrous, tight is the answer is synovial membrane