They're assembled in the endoplasmic reticulum. It's the organelle where lipid components of the cell membrane are assembled, as well as proteins and other materials are exported from the cell.
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A red blood cell placed in pure water would "BURST"
This is because water would move in the red blood cell and become hypotonic. It does not have enough space so thats why it bursts.
When she is Lacking food, she might have bulimia nervous or Anorexia, types of eating disorder.
She is have osteoporosis due to the Lack of Calcium.
D. hormones would be the correct answer, which are chemical substances produced by gakbdd
<span>Chemicals are used for the communication between two cells whether the communication is from surface to surface or direct or through receptors. So the chemicals that send instructions to cells are A, T, C, and G in DNA which is four nucleotide bases called as adenine, thymine, cytosine and guanine.</span>