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20
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What is biochemistry?
Biochemistry is the study of chemical reactions that happen in living organisms.
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20
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Describe a synthesis reaction with an example.
Small molecules join to form a bigger one; example: protein synthesis.
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baam
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gift
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gift
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baam
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20
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What is dehydration synthesis?
Dehydration synthesis builds bonds by removing water, used in synthesis.
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20
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What does the atomic number of an element represent?
The number of protons in an atom.
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What kind of reaction requires energy?
Endergonic reactions require energy.
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Give one example of a chemical reaction in a living organism.
Enzymes break down food during digestion.
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20
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Why are synthesis reactions important for living organisms?
They build molecules like proteins and muscles needed for life functions.
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20
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What is the difference between covalent and ionic bonds?
Covalent bonds share electrons; ionic bonds transfer electrons.
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What is hydrolysis, and when does it occur?
Hydrolysis breaks bonds by adding water, occurs during decomposition/digestion.
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How are anabolic and catabolic reactions different?
Anabolic builds molecules and uses energy; catabolic breaks molecules and releases energy.
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20
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What is a compound? Give one example.
A compound is two or more elements bonded together, like H₂O (water).
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20
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What are trace elements, and why are they important?
Trace elements are needed in tiny amounts but are essential for health (e.g., iron, zinc).
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thief
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shark
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thief
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What is an exchange reaction?
Parts of molecules switch places; example: ATP transferring phosphate.
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seesaw
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lifesaver
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