2-3 Carbon Compounds The Chemistry of Life, Carbon Compounds 2-3 KEY CONCEPTS: What macromolecules are important to living things? What are the functions of each group of macromolecules? 2-3 Carbon Compounds MACROMOLECULES important to living things! 1._____________ Carbohydrates Proteins 2. _____________ Lipids 3. _____________ (Fats, oils, waxes, steroids) Nucleic acids 4._____________ 2-3 Carbon Compounds CARBOHYDRATES contain Carbon, Hydrogen, & Oxygen (with a ratio of 1 C: 2 H: 1 O) Molecules made up of only one sugar molecule are monosaccharides called ________________ Example: GLUCOSE C6H12O6 Important MONOSACCHARIDES 2-3 Carbon Compounds C6H12O6 C5H10O5 ALL HAVE Ratio of… 1 2 H: __ 1 O __C: __ C5H10O5 2-3 Carbon Compounds Monosaccharides can be joined together using dehydration synthesis to make ____________________ ________________ POLYSACCHARIDES made of ___________ MANY SUGAR molecules. 2-3 Carbon Compounds Examples of IMPORTANT POLYSACCHARIDES STARCH ___________ CELLULOSE ___________ GLYCOGEN ___________ 2-3 Carbon Compounds WHAT DO CARBOHYDRATES DO? 2-3 Carbon Compounds CARBOHYDRATES SUPPLY ENERGY Cells use GLUCOSE energy needs for their ________ 2-3 Carbon Compounds CARBOHYDRATES SUPPLY ENERGY ANIMAL cells store glucose GLYCOGEN as _________. 2-3 Carbon Compounds CARBOHYDRATES SUPPLY ENERGY PLANT cells Store glucose STARCH . as ______ 2-3 Carbon Compounds CARBOHYDRATES are STRUCTURAL PLANTS also use glucose to make CELLULOSE ___________ Cellulose makes STURDY plants _______ 2-3 Carbon Compounds CARBOHYDRATES HELP with CELL IDENTIFICATION GLYCOPROTEINS (proteins with sugars attached) on the surface of cells help cells _____________ recognize “self” 2-3 Carbon Compounds GLYCOPROTEINS are important for: BLOOD TYPES ORGAN REJECTION RECOGNIZING GERMS 2-3 Carbon Compounds MACROMOLECULES important to living things! 1._____________ Carbohydrates Proteins 2. _____________ 3. _____________ (Fats, oils, waxes, steroids) 4. _____________ 2-3 Carbon Compounds PROTEINS contain: Carbon ________, Hydrogen _________, Oxygen _______, and Nitrogen _________ and are built from AMINO ACID __________ subunits 2-3 Carbon Compounds R-group is different for The _______ each AMINO ACID 20 different There are ___ ANIMO ACIDS used by cells proteins . to make _______ 2-3 Carbon Compounds What kind of chemical reaction is used to join amino acid subunits to make proteins? dehydration ____________ synthesis ____________ Hint: water out & put together 2-3 Carbon Compounds The sequence of amino acids in the protein chain is determined DNA code by the __________ 2-3 Carbon Compounds Proteins have a 3D shape “Like wants to be near like” hydrophobic The ____________ hydrophilic and ____________ R-Groups make it fold up. Van der Waals forces & the Then ____________ hydrogen bonds hold it together. 2-3 Carbon Compounds WHAT DO PROTEINS DO? 2-3 Carbon Compounds GLYCOPROTEINS (SUGARS attached to proteins) on the surface of cells help cells recognize “self” ____________ 2-3 Carbon Compounds GLYCOPROTEINS are important for: BLOOD TYPES ORGAN REJECTION RECOGNIZING GERMS 2-3 Carbon Compounds PROTEINS ARE STRUCTURAL Proteins and ___________ Phospholipids _______ are the main components in cell membranes. 2-3 Carbon Compounds PROTEINS ARE STRUCTURAL Proteins combine with DNA which _____ wrap up into chromosomes ___________ 2-3 Carbon Compounds PROTEINS ACT AS ENZYMES ENZYMES help chemical reactions happen faster ____________ 2-3 Carbon Compounds PROTEINS CONTROL GENES ON and ____ OFF by turning them ____ 2-3 Carbon Compounds PROTEINS FIGHT GERMS ANTIBODIES ____________ are proteins that attack and kill germs 2-3 Carbon Compounds PROTEINS help in TRANSPORT Proteins in cell membranes help out move molecules ___ in of cells & ___ 2-3 Carbon Compounds PROTEINS help in TRANSPORT HEMOGLOBIN in red blood cells ____________ carry oxygen to all body cells 2-3 Carbon Compounds PROTEINS help with MOVEMENT MUSCLES Body _________, FLAGELLA and __________, MITOTIC SPINDLE __________________ are made of PROTEINS 2-3 Carbon Compounds PROTEINS act as HORMONES Eating food puts GLUCOSE in your bloodstream INSULIN is a protein hormone that ___________ controls blood sugar levels in the body . 2-3 Carbon Compounds INSULIN causes cells To store glucose _______ 2-3 Carbon Compounds DIABETES People with __________ can’t make insulin and their TOO high Blood sugar stays _________ because cells can’t store glucose. Insulin shots can Replace the missing Insulin. 2-3 Carbon Compounds MACROMOLECULES important to living things! 1._____________ Carbohydrates Proteins 2. _____________ Lipids 3. _____________ (Fats, oils, waxes, steroids) 4. _____________ 2-3 Carbon Compounds Lipids are made mainly from Carbon Hydrogen ________ and __________ oxygen atoms) (very few _______ 2-3 Carbon Compounds WHAT DO LIPIDS DO? 2-3 Carbon Compounds PHOSPHOLIPIDS (lipid tails + glycerol/phosphate head) Polar head ________ Non-polar tails ___________ 2-3 Carbon Compounds PHOSPHOLIPIDS & STEROIDS join with PROTEINS to make cell membranes . ____________ 2-3 Carbon Compounds LIPIDS can be used to store energy ________. 2-3 Carbon Compounds LIPIDS INSULATE LIPIDS form myelin ______ which is insulation on nerve cells) ______ 2-3 Carbon Compounds LIPIDS INSULATE Help maintain body heat _________ which helps with homeostasis . __________ 2-3 Carbon Compounds LIPIDS can be HORMONES STEROIDS like _________ TESTOSTERONE _____________, ESTROGEN ___________, and PROGESTERONE _____________are steroid hormones involved in reproduction 2-3 Carbon Compounds MACROMOLECULES important to living things! 1._____________ Carbohydrates Proteins 2. _____________ Lipids 3. _____________ (Fats, oils, waxes, steroids) Nucleic acids 4._____________ 2-3 Carbon Compounds NUCLEIC ACIDS contain: are built from CARBON _______, NUCLEOTIDE ___________ HYDROGEN _________, subunits OXYGEN _______, PHOSPHORUS ___________ NITROGEN and ________ 2-3 Carbon Compounds NUCLEOTIDES sugar &/or Changing the _______ nitrogen base produces and ____________ different nucleotide subunits 2-3 Carbon Compounds NUCLEOTIDES 2 SUGARS can be used: ____________ DEOXYRIBOSE (DNA) ________ RIBOSE (RNA) 2-3 Carbon Compounds 5 NITROGEN BASES ADENINE _____________ GUANINE _____________ CYTOSINE _____________ THYMINE _____________ _____________ URACIL = = = = = A G C T (only in DNA) U (only in RNA) 2-3 Carbon Compounds MAKING DNA: Nitrogen bases: A, T, C, or G _____________ DNA has NO _____ Uracil SUGAR DEOXYRIBOSE = “______________” 2-3 Carbon Compounds MAKING RNA: These Nitrogen bases A, U, C, or G _____________ Image by: Riedell RNA has NO Thymine _______ SUGAR RIBOSE = “________” 2-3 Carbon Compounds What kind of chemical reaction do you think is used to join nucleotide subunits to make nucleic acids? Dehydration ____________ ____________ synthesis Hint: water out & put together 2-3 Carbon Compounds 2 KINDS of NUCLEIC ACIDS Deoxyribonucleic acid DNA= __________________ DOUBLE ________ STRANDED SUBUNITS: A, T, G, C (has No “U”) 2-3 Carbon Compounds DNA molecule forms a HELIX or “twisted ladder” ADENINE bonds THYMINE __________ _________ with CYTOSINE GUANINE _________ bonds __________ with 2-3 Carbon Compounds 2 KINDS of NUCLEIC ACIDS Ribonucleic acid RNA= ________________ SINGLE STRANDED _______ Subunits: A, U, G, C (has NO “T”) 2-3 Carbon Compounds WHAT DO NUCLEIC ACIDS DO? 2-3 Carbon Compounds ONE SPECIAL KIND of NUCLEOTIDE is used by cells to Store and transport ENERGY RIBOSE RIBOSE Sugar =_____________ ADENINE Nitrogen base =__________ 3 PHOSPHATE groups +___ ATP 2-3 Carbon Compounds DNA stores _____ genetic ______ information ________ in cells More about this in Chapters 7, 10, 11, 12, and 14 2-3 Carbon Compounds RNA CARRIES INFORMATION from DNA in nucleus out to cell PROTEIN SYNTHESIS Helps with _________________ 2-3 Carbon Compounds Concept Map Section 2-3 Carbon Compounds include that consist of that consist of that consist of that consist of which contain which contain which contain which contain Go to Section: 2-3 Carbon Compounds Concept Map Section 2-3 Carbon Compounds include Carbohydrates Lipids Nucleic acids Proteins that consist of that consist of that consist of that consist of Sugars and starches Fats and oils Nucleotides Amino Acids which contain which contain Carbon, hydrogen, oxygen Go to Section: Carbon, hydrogen, oxygen which contain which contain Carbon,hydrogen, oxygen, nitrogen, phosphorus Carbon, hydrogen,oxygen, nitrogen,