Week TWO Name:__________________________ Theory:__________ Total:___________ “2x2”’s___________ Diagrams:___________ YOU CAN DO THIS! 1. A. Originally the term ____organic_________ referred to the belief that such compounds could only be made by living things. B. What kind of compounds do organic chemists study today? Carbon compounds C. What does tetravalent mean? 4 bonds D. What element is always tetravalent? Carbon 2. A. What is a hydrocarbon made up from? HINT: 2 elements Hydrogen and Carbon B. What are Carbohydrates made up from? HINT: 3 elements carbon, hydrogen, and oxygen C. What is the carbohydrate ratio? 1:2:1 D. __Lipids____ are diverse organic elements that include fats, waxes, phospholipids and steroids. 3. A. What is the name of the most numerous and complex molecules in living organisms? Proteins B.C.D List 3 of the common proteins, AND where they are found in the body 1. 2. 3. Keratin(hair,fingernail), hemoglobin (blood), ovalbumin (egg whites), actin and myosin (muscle), insulin and glucagon (pancreas), lysozyme (tears), and collagen (connective tissue). 4. A. Describe the process of dehydration synthesis. When two monosacchairdes combine, it’s the taking out of water B. A double sugar is referred to as a ____________. Disaccharide C. Describe the process of hydrolysis. Disaccharides can be broken down into their simpler sugars D. What is another name for Glycogen? Animal starch 5. A. What is maltose composed of? AND give one example. Two glucose molecules. Beer, malts, malted milk balls. B. What is Sucrose composed of? AND give on example. Glucose and fructose. Found in plants, table sugar C. What is Lactose composed of? AND give on example. Glucose and galactose. Infant mammals milk, D. What are the exoskeletons of insects made from? Chitin 6. A. Name the three components of Benedicts Reagent. HINT: there are 3 Sodium citrate, sodium bicarbonate, and copper sulfate B. What is the Benedict’s test used to identify? Reducing sugars C. For the Benedict’s test, what color will the solution remain if there is no reducing sugar present? Blue D. For the Benedict’s test, what are the three colors the solution will turn in the presence of reducing sugars? HINT: Very small amount, Low amount, and moderate amount. Very small amount- green, low amount- yellow, and moderate amount- orange. 7. A. Which two reagents are extremely corrosive? Benedict’s reagent and Biuret’s reagent. B. What is the molecular formula for iodine-potassium iodide? I2KI C. What is iodine-potassium iodide used for to distinguish? Starch from other carbohydrates D. When dealing with counterfeit money, _amylose_____ turns blue in the presence of iodine. 8. A. How can you tell if money is counterfeit using an iodine pen? The money will turn blue if it is counterfeit because of the presence of starch. B. __Triglycerides______________ are more commonly referred to as fats, and are the most abundant lipids in living organisms. C. If an unsaturated fatty acid has one double bond, it is known as _monounsaturated____________________ D. If more than one double bond is present, the fatty acid is known as _polyunsaturated_________________. 9. A. What is cerumin? A waxy secretion better known as earwax, traps foreign substances that potentially may never enter the ear. B. What color does Sudan lll turn when combined with lipid molecules? Brilliant orange C. Define Hydrophobic. HINT: 2 words Water-fearing D. What was the “secret ingredient” when Mege-Mouries successfully developed a substitute for margarine butter? Bits of cow’s udder 10. A. List 5 essential amino acids in humans: Histidine, leucine, lysine, methionine, phenylalanine, isoleucine, threonine, tryptophan, valine, arginine B. A _peptide_____ bond is a covalent bond that forms between the amino group of one amino acid and the carboxyl group of another amino acid. C. Amino Acids are linked by __peptide_______ __bonds_________ D. What is the purpose of the Biuret test? Detect the presence of a protein. 11. A. What color does Biuret’s reageant turn in the presence of proteins? Violet B. Proteins are composed of building blocks known as _amino_________ __acids_________. C. How many amino acids are there? 20 D. Name the 5 amino acids with ionized R groups. Glutamic acid, lysine, histidine, arginine, and aspartic acid. 12. A. Why are shrimp pink? When shrimp are boiled, the proteins break down (denature) and the carotenoid becomes visible. B. Define biological balance. HINT: two words Biological Balance C. Define Cell. Smallest unit of biological organization. D. What does the cell theory state? All living things are composed of cells and that the cell is the basic unit of structure and function of all living things. 13. A. Define unicellular. HINT: Unicycle one cell B. Give an example of a colonial organism. Volvox. C. What is the difference between prokaryotic and eukaryotic cells? Prokaryotic cells lack a nucleus, and eukaryotic cells have a nucleus. D. Which type of cells do humans have? HINT: prokaryotic or eukaryotic? Eukaryotic 14. A. What’s another name for ancient bacteria? Archaebacteria B. C. D. Name the three types of archaebacterial AND where they are located. 15. A. What’s another name for true bacteria? Eubacteria B. Name the three shapes that bacteria come in. Spherical, rod-shaped, and spiral C. Define cyanobacteria. Blue-green algae, photosynthetic eubacteria. D. What colors can cyanobacteria be? HINT: there are 4 colors 16. A. Name the 3 basic types of bacteria. HINT: think about the 3 shapes Bacillus, Coccus, Spirillum B. _Elodea_________ is a common plant that lives in freshwater habitats such as ponds and lakes. C. The plant kingdom contains approximately _280,000______________ species of multicellular, photosynthetic autotrophs. D. What type of cells make up the “strings” in celery? Collenchyma cells 17. A. How many years ago did eukaryotic cells originate? 2 billion years ago. B. Which kingdom includes a diverse group of mostly multicellular heterotrophic organisms? Kingdom Fungi C. Give 3 examples from the Kingdom Fungi. Mushrooms, truffles, morels, rusts, bread mold, ringworm, and yeast. D. How many species of multicellular heterotrophs are in Kingdom Animalia? 1.5 million 18,19, and 20 Matching. a. b. c. d. e. f. g. h. i. j. Cell wall Cytoplasm Ribosome Pili Capsule Fimbriae Nucleus Nucleoplasm Chromatin Mitochondrian k. Central vacuole l. Middle lamellae _b__ semifluid medium within a cell __c__ Site of protein synthesis __g____ The control center of the cell ___f__ __e____ Short hair like structures that aid in attachment A protective slime-like area lying outside the cell wall that helps bacterium __d___ Rigid hair like structures important for attachment and the exchange of genetic information. __a__ In eubacteria, a peptidoglycan envelope that provides protection and shape _h__ cytoplasm within the nucleus _k___ In plant cells, large fluid-filled sac that helps maintain shape of cell and stores metabolites _l___ Region between adjacent plant cells that cements the cell walls together _J__ Site of aerobic cellular respiration _i___ Diffuses threadlike strands composed of DNA and proteins BONUS: What did Kathryn teach herself how to do? What does she have to hold on to in order to start? What is the nickname Kathryn was given, based on an element from the periodic table? Draw an Amino Acid structure.