Chapter 3 P 38-51 Flashcards
(20 cards)
What is a macromolecule?
DNA, polymer, proteins, RNA
Cells link monomers together to make polymers through what reaction?
Dehydration reaction
What is a reverse reaction of a Dehydration reaction?
Hydrolysis
If a reaction is producing water what is the reaction called?
Dehydration reaction
What is a monosaccharide?
Carbohydrate
What are the 4 categories of biomolecules in all living things?
Carbohydrates, lipids, proteins, and nucleic acids
What is the most common saccharide?
Sucrose or table sugar
Is fructose a monosaccharide or a simple sugar?
Both
What is starch? Polymer, monomer, carbohydrate, protein, lipid, or nucleic acid?
Polymer/carbohydrate
When glucose comes together to form glycogen what is formed?
Water and a bond are formed
Are lipids hydrophobic or hydrophilic?
Hydrophobic
What is fat made of?
Glycerol molecules and 3 fatty acid molecules and dehydration reaction
What is the difference between saturated and unsaturated fat?
Saturated fat has the most # of hydrogen atoms and is straight, unsaturated fat has the least amount of hydrogen atoms and is bent
What fats are solid at room temperature?
Saturated fats
Amino acids are linked together to form ____ also known as ____
Polypeptides, proteins
What does cholesterol do in the body (p. 45)?
Component of cell membranes; forms steroids and hromones like testosterone and estrogen
Name two things that proteins do in the body (p. 46 figure 3.15)
Provide support help movement transport stuff around and as enzymes promote chemical reactions
Amino acids are (i) hydrophilic (ii) hydrophobic (iii) both
See figure 3.16 - they are usually both
What biomolecules will contain phosphorous?
Nucleic acids (see fig 3.22)
When two amino acids are linked together by _____ a ____ is formed and ______ is a by-product
Dehydration reaction, dipeptide, water