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Biology
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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 baroreceptor...

BF
Answered by Ben F. Biology tutor
2947 Views

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 t...

TD
2833 Views

What is the difference between DNA and mRNA

DNA is a double stranded construct of genetic information with nucleotides: Adenine, thymine, guanine, and cytosine. DNA contains deoxyribose.

mRNA is a single stranded transcribed version of a DNA...

AT
Answered by Alexander T. Biology tutor
2109 Views

Bacteria can develop resistance to antibiotics. Explain how this may be prevented.

The overuse and misuse of antibiotics promotes antibiotic resistance. A common misconception is that antibiotics can be used to treat colds and the flu, which are actually caused by viruses. Therefore, by...

MT
Answered by Max T. Biology tutor
3150 Views

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.

HS
Answered by Harrison S. Biology tutor
2775 Views

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