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Describe the polymerase chain reaction

The first step of PCR requires the target gene to be located using primers. Primers are short nucleotide sequences that are the complementary to either side of the target gene. The DNA sample containing the ...
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Answered by Tolu T. • Biology tutor
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Explain how applying increasing pressure to a Pacinian corpuscle produces a larger change in membrane potential.

When pressure is applied to a Pacinian corpuscle the membrane is distorted, opening the stretch-mediated Na+ channels. This then allows Na+ ions to move in down their concentration gradient which increases t...
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Answered by Madeleine C. • Biology tutor
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What is a monoclonal antibody?

An antibody is a specific protein produced in response to an antigen.A monoclonal antibody is an antibody that has been produced from one specific type of white blood cell. Every antibody produced by this wh...
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Answered by Danial B. • Biology tutor
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What's the difference between an animal cell and a plant cell?

A cell is a basic unit of life. An organelle is a structure inside a cell with a special function. Most animal cells have the following parts: a nucleus, cytoplasm, a cell membrane, mitochondria and ribosome...
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Answered by Iman S. • Biology tutor
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Discuss how model organisms have been useful in understanding named aspects of regenerative biology and/or regenerative medicine.

A model organism is a non-human species that is studied to understand biological phenomena. They are used when human experiments are difficult or unethical. One of the model organisms that was the focus of r...
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Answered by Alicja B. • Biology tutor
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