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What are the functions of white blood cells?

The main role of white blood cells is to protect the body against invasion by disease-causing microorganisms (pathogens), such as bacteria or viruses. They do this in 2 main ways: phagocytosis and antibody p...
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Answered by Neha K. Biology tutor
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What are the stages of mitosis?

There are 5 stages of mitosis. Prophase, Metaphase, Anaphase, Telophase and Cytokinesis. An easy mnemonic is P ee (on the) MAT C at. Prophase - 3 things occur: 1) Chromatin condenses and tightly coils to for...
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Answered by Neha K. Biology tutor
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Explain how you would expect glycogen levels in the liver to change after a meal, and why it would change in that way.

Glycogen levels are expected to increase in the liver after a meal. This is due to the digestion of the meal leading to an increase in blood sugar levels, triggering insulin release from the pancreas. Insuli...
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Answered by Daniela M. Biology tutor
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How does an enzyme work?

Enzymes are proteins, which are made up of long chains of aminoacids. Proteins have a primary structure (the sequence of aminoacids in the chain), a secondary structure (specific 3D shapes of the chain forme...
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Answered by Cezar B. Biology tutor
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How does the electron transport chain work?

The electron transport chain is a collection of proteins ( complexes ), of which there are 4 types, whose purpose is to pump protons into the intermembrane space. These protons will be used by the ATP syntha...
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Answered by Cezar B. Biology tutor
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