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a. the Human Genome Project. HGP or Human Genome Project's goal is to sequence all chemical base pairs of the human DNA. </span>This scientific research project has revealed that there could be an approximate of 20,500 human genes.
Answer: New vaccines are offered each year because the virus changes.
Explanation: The flue viral strain constantly changes its genetic make up, a process called antigenic drift. As the virus replicates there are small changes that creates new strains which evolve to a completely different influenza virus requiring a new type of vaccine each year.
Answer:
A mitochondrion is a double-membrane-bound organelle found in most eukaryotic organisms. Mitochondria generate most of the cell's supply of adenosine triphosphate, used as a source of chemical energy. They were first discovered by Albert von Kölliker in 1880 in the voluntary muscles of insects.
Answer:
Parathyroid glands.
Explanation:
The parathyroid glands are small endocrine glands that are located behind the thyroid gland in the neck. Its primary function is to secrete a parathyroid hormone (PTH), responsible for controlling and maintaining the balance of calcium and phosphorus in the blood within certain limits. This helps to achieve proper functioning of the muscles and nerves, and also helps maintain strong bones.
Explanation:
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