The arctic/polar biome
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It’s the second one!!
and the first answer!!
Question
<em>Define enzyme concentration.</em>
Answer:
<em>Substrate concentration is the amount of substrate present that can be turned into product and is most commonly measured in molarity (moles per liter). The concentration of substrates is often used to measure enzyme activity, which is based on the rate of a reaction (product formed over time).</em>
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Cilia or flagella aid with movement in unicellular organisms
Answer:
Iris Diaphragm controls the amount of light reaching the specimen. It is located above the condenser and below the stage. Most high quality microscopes include an Abbe condenser with an iris diaphragm. Combined, they control both the focus and quantity of light applied to the specimen.
Explanation:
