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lakkis [162]
2 years ago
13

Enzymes are biological catalysts. Explain what they do in living systems

Biology
1 answer:
Marizza181 [45]2 years ago
7 0

An enzyme lowers the activation energy of a reaction so it can take place within living organism, so an enzyme is a biological catalyst.

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State two reasons that indicates that burning and respiration are similar process
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Answer: Both Respiration and Burning uses oxygen. Both Respiration and Burning produces energy. Both Respiration and Burning gives out carbon dioxide as the end product.

Explanation: The overall chemical reactions of both Respiration and Burning are the same.

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The double-stranded DNA molecule of the newly discovered Elradicus libanii was found by electron microscopy to have a length of
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10 or 10.5 = 1micromter

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Water obtained from natural resources does not show neutral pH. What is the reason behind this?
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Explain why the intracellular and extracellular surfaces of the phospholipid bilayer are polar.
yulyashka [42]

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A single phospholipid molecule has a phosphate group on one end, called the “head,” and two side-by-side chains of fatty acids that make up the lipid “tails. ” The phosphate group is negatively charged, making the head polar and hydrophilic, or “water loving.” The phosphate heads are thus attracted to the water.

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3 0
2 years ago
Why saturated solution prepared at higher temperature gives crystal on cooling​
charle [14.2K]

Answer:

Cristal is formed when the solution is cooling because the solvent can't keep all the molecules of the substance and these molecules are beginning to leave the solvent and form solid crystals.

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