UNIT 4 bio review guide Flashcards
(43 cards)
Q: What makes a molecule organic?
A: It contains both carbon (C) and hydrogen (H).
Q: What makes a molecule inorganic?
A: It lacks either carbon (C) or hydrogen (H).
Q: Is oil organic or inorganic?
A: Organic.
Q: Is water organic or inorganic?
A: Inorganic.
Q: Is sugar organic or inorganic?
A: Organic.
Q: Is carbon dioxide organic or inorganic?
A: Inorganic.
Q: Is protein organic or inorganic?
A: Organic.
Q: Is DNA organic or inorganic?
A: Organic.
Q: Are salts organic or inorganic?
A: Inorganic.
Q: Are living organisms composed of organic, inorganic substances, or both?
A: Both. They are made of water (inorganic) and organic molecules like proteins, nucleic acids, lipids, and carbohydrates.
Q: What is dehydration synthesis?
A: The joining of two or more monomers through the release of water.
Q: What is an example of dehydration synthesis?
A: Glucose + Glucose → Starch + H₂O.
Q: What is hydrolysis?
A: The splitting of a polymer with the addition of water.
Q: What is an example of hydrolysis?
A: Starch + H₂O → Glucose + Glucose.
Q: What are the four major classes of biomolecules?
A: Carbohydrates, proteins, lipids, and nucleic acids.
Q: Are biomolecules organic or inorganic?
A: Organic.
Q: What elements are found in proteins?
A: Carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).
Q: What elements are found in carbohydrates?
A: Carbon (C), hydrogen (H), and oxygen (O).
Q: What elements are found in lipids?
A: Carbon (C), hydrogen (H), and oxygen (O).
Q: What elements are found in nucleic acids?
A: Carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P).
Q: What are the building blocks of lipids?
A: Glycerol and fatty acids.
Q: What are the building blocks of carbohydrates?
A: Monosaccharides (simple sugars, like glucose).
Q: What are the building blocks of proteins?
A: Amino acids.
Q: What is the function of carbohydrates?
A: Quick energy and structural support.
