Biochemistry Module 1 past paper..docx

Biochemistry Module 1 past paper.
What do Biochemists study? - ANS >> 1. The relationship between structure and function of
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B biomolecules

2. Chemical reactions of organisms
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3. Communication within and among organisms
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Smaller elements are favored because they can form stable covalent bonds. T or F - ANS >> True.
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B Strong bonds form by significant overlap of atoms, such as carbon and hydrogen, allowing them to
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B share electrons. B




What is the bond angle of a Linear molecule? - ANS >> 180 degrees
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What is the bond angle of a Trigonal Planar? - ANS >> 120 degrees
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What is the bond angle of a Trigonal Pyramidal? - ANS >> 107.5 degrees
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what is the bond angle of Tetrahedral? - ANS >> 109.5 degrees
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What is carbon referred to in the chemical world? - ANS >> The superglue
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What does organic chemistry study? - ANS >> Focuses on the chemical and physical properties of
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B carbon compounds B




What does inorganic chemistry study? - ANS >> The field dealing with metals, minerals, and other
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B non-organic compounds B




How many bonds can a Carbon form? - ANS >> 4! Due to having 4 valence electrons
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What is a long chain of carbons called? - ANS >> Polymers
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What is a cyclic compound? - ANS >> Carbons joined together in a closed chain
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What are carbon compounds called? - ANS >> Alkanes
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Condensed structures give a better idea of a molecules structure, compared to chemical formula. T or
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B F - ANS >> T
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