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Outline the process of mitosis

Meiosis is the process of cell division that produces two identical diploid cells, and consists of four stages. The first stage is called prophase, where the chromosomes condense and cross over to form bival...
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Answered by Anastasia R. • Biology tutor
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How does the hormone ADH control urine output?

ADH is a hormone that decreases the urine output in humans. It is produced by the hypothalamus and secreted by the posterior pituitary gland. The production is controlled by osmoreceptors and baroreceptors i...
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Answered by Ben F. • Biology tutor
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Describe and explain the function of the cell membrane?

The cell membrane consists of a mosaic of proteins and a phospholipid bilayer, with the hydrophobic fatty acid tails orientated inwards and the hydrophilic phosphate heads outwards. The main function is to c...
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The pancreas contains areas called the islets of Langerhans. What are the two types of cells in this area and what hormone does each produce?

The islets of Langerhans contain alpha and beta cells. Alpha cells produce and secrete glucagon. Beta cells produce and secrete insulin.
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Answered by Harrison S. • Biology tutor
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Explain the process of transcription.

Transcription is the process by which a complementary mRNA copy is made of the specific region of the DNA molecule which codes for a polypeptide (about 17 base pairs). A specific region of the DNA molecule, ...
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Answered by Flora T. • Biology tutor
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