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Explore the properties of water, carbohydrates, lipids, proteins, nucleic acids & more. Learn how these molecules function in biological systems.
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Properties of H2O and Macromolecules Nucleic Acids & Miscellaneous Properties Of H2O Carbs Lipids Proteins Q $100 Q $100 Q $100 Q $100 Q $100 Q $200 Q $200 Q $200 Q $200 Q $200 Q $300 Q $300 Q $300 Q $300 Q $300 Q $400 Q $400 Q $400 Q $400 Q $400 Q $500 Q $500 Q $500 Q $500 Q $500
$100 Question Water is polar. What does this mean? Because water is very polar, it is the universal _____
$100 Answer Water molecules have 2 hydrogen atoms and 1 oxygen atom. Polarity means a clear positive end and negative end. Solvent
$200 Question Water is cohesive. What does this mean? Give an example of how this helps organisms.
$200 Answer Water molecules are attracted to each other. This causes surface tension and water droplets on waxy leaves
$300 Question Water is adhesive. What does this mean? Give an example of how this helps organisms.
$300 Answer Water molecules can be attracted to certain surfaces. This allows capillary action
$400 Question Water is _____ dense as a solid. What does this mean? Give an example of how this helps organisms.
$400 Answer Ice floats instead of sinking. This prevents flooding, and allows for lakes to remain only partially frozen in winter.
$500 Question What property of water does each example belong to? -meniscus -ice floating -water traveling from the roots of a plant up to the leaves -water droplets on a waxy leaf
$500 Answer -meniscus: ADHESION -ice floating: H2o LESS DENSE AS SOLID -water traveling from the roots of a plant up to the leaves: ADHESION -a bug sitting on the surface of H2O: COHESION
$100 Question Name an example of a carbohydrate
$100 Answer Bread, rice, pasta, potatoes, Crackers, glucose, cellulose
$200 Question What are the building blocks of carbohydrates?
$200 Answer Monosaccharides
$300 Question Monosaccharide means One simple sugar. What is The name for a carb made Of more than 2 simple sugars?
$300 Answer Polysaccharide
$400 Question List the 2 functions of carbs
$400 Answer -key source of energy -provide structural support in plant cells
$500 Question -What elements are found in carbs? And in what ratio?
$500 Answer Carbon, Hydrogen Oxygen 1: 2: 1
$100 Question • Name an example of a lipid
$100 Answer oils, fats, waxes
$200 Question What are the building blocks of lipids? Hint: composed of glycerol and 3 fatty acids
$200 Answer Triglycerides
$300 Question • Lipids are non-polar. What does this mean?
$300 Answer No clear positive or negative end. Not soluble in water; will not mix
$400 Question What is the function of lipids?
$400 Answer Lipids STORE energy
$500 Question What elements are found in lipids?
$500 Answer C H Carbon and hydrogen. The energy is stored in the bonds between these atoms. Energy released when bonds break
$100 Question Name an example of a protein
$100 Answer Meat, eggs, nuts, enzymes, hemoglobin
$200 Question What are proteins made of?
$200 Answer Amino acids
$300 Question Amino acids are held/linked together by _____ bonds
$300 Answer Peptide bonds
$400 Question There are 3 functions of proteins. Name 2
$400 Answer -enzymes (allow chemical reactions in your body to occur) -structure -defense
$500 Question What are the elements found in proteins?
$500 Answer CHON Carbon, Hydrogen, Oxygen, Nitrogen
$100 Question What is one example of a nucleic acid? Hint: _NA
$100 Answer DNA, RNA
$200 Question Macromolecules are made of _____________, which are linked together by _____________
$200 Answer Polymers, monomers
$300 Question What are nucleic acids made of?
$300 Answer Nucleotides
$400 Question All macromolecules are made in a process called ______________
$400 Answer Polymerization
$500 Question What is the function of Nucleic acids?
