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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Answer:
An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium. Fascia, connective tissue outside the epimysium, surrounds and separates the muscles.
Explanation:
Answer:
La fricción, fuerza de roce o fuerza de rozamiento es una fuerza existente entre dos superficies que se encuentren en contacto, y que se opone al movimiento, o sea, tiene dirección contraria al movimiento.
This is an example le of commensalism.The burdock seeds benefit and the cow is unharmed.
Trophic cascades are powerful indirect interactions that can control entire ecosystems
