Unit 2 Assessment - Chemistry of Life

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What is Hydrolysis?

Back

Hydrolysis is a chemical reaction in which water is used to break down a compound. It is the opposite of dehydration synthesis.

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What is Dehydration Synthesis?

Back

Dehydration synthesis is a chemical reaction that involves the removal of water to form a new bond between molecules.

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What is a saturated fat?

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A saturated fat is a type of fat that has no double bonds between carbon atoms, meaning it is saturated with hydrogen atoms.

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What is a monounsaturated fat?

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A monounsaturated fat is a type of fat that has one double bond in its fatty acid chain.

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What is a polyunsaturated fat?

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A polyunsaturated fat is a type of fat that has more than one double bond in its fatty acid chain.

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What causes water's surface tension?

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Water's surface tension is caused by hydrogen bonds between water molecules, resulting in cohesion.

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What is a phylogenetic tree?

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A phylogenetic tree is a diagram that shows the evolutionary relationships among various biological species based on their genetic characteristics.

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What does it mean for a molecule to be polar?

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A polar molecule has a distribution of electrical charge that leads to a slight positive charge on one side and a slight negative charge on the other.

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What is the significance of water being a polar molecule?

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The polarity of water allows it to form hydrogen bonds, which are crucial for many biological processes.

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What is cohesion in the context of water?

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Cohesion refers to the attraction between water molecules, which allows them to stick together.