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- DNA/ RNA polymerase, NAD synthetase, nucleoside triphosphate, adenosine deaminase 8. Describe mitochondria and chloroplasts. What are their functions? How do the ribosomes in these organelles differ from the ribosomes in the cytoplasm and on the endoplasmic reticulum of the eukaryotic cell? Mitochondria Chloroplasts Function Function Generate chemical energy needed to power the cell's biochemical reactions; produce heat, citric acid cycle • Allow plants to capture the of the sun energy • Allows plants to change sizeMatching I. Match the terms below with the corresponding subsequent item. a. carboxyl b. cristae a. microfilament d. nuclear pore complex e. rough endoplasmic reticulum f. sulfhydryl g. phosphate h. vacuole i. hydroxyl j. Golgi apparatus k. carbonyl 1. granum m. stroma n. amino o. cell wall 76. thick liquid that surrounds thylakoids 7. –s-H 78. a stack of thylakoids 79. 80. involved in muscle contraction 81. -0-P-O Water is a dominant molecule of living things. Each of these terms is connected to aspects of water. Match the term to the description. I. a. attractive to water molecules. b. movement from a high concentration to low concentration. c. high concentration of solutes. d. creates an electrochemical gradient. e. low concentration of solutes. f. non-polar and unattractive to water. g. movement of water across a membrane. h. same concentration of solutes. 82. hypertonic. 83. isotonic. 84. osmosisBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following functions describes the enzyme Peptidase?* A. removal of H2O B. remove phosphate from a substrate C. cleave phosphodiester bond D. cleave amino bonds 2. In the final step of glycolysis, identify the name of the enzyme that converts phosphoenolpyruvate into pyruvate* A. hexokinase B. pyruvate kinase C. aldolase D. Phosphofructokinase-1
- BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Enzymes have known attributes and functions. Which of the following is NOT its common attribute or function? A. enzymes are specific B. enzymes may be used many times for a specific reaction C. enzymes provide activation energy for reactions D. enzyme activity can be regulated 2. Evaluate the following statements and identify the best that can describe how a lysozyme works.? A. It cuts the bond in a polysaccharide, by holding six sugars in a row in its active site, and adding a water molecule, causing hydrolysis. B. It is responsible for the cleaving of amino acid chains via the ping-pong mechanism. C. It cleaves the phosphodiester bond in nucleic acids, via hydrolysis. D. It hydrolyzes bonds in lipids, causing a split in a fatty acid chain.PART II: Short Answer 21. Explain what it means for an active site to have electronic and shape complementary. Give hypothetical examples of each. A researcher is studying three different synthetic collagens. Collagen A is made of (Pro-Gly- Hyp)10, Collagen B is made of (Pro-Gly-Flp)10, and Collagen C is made of (Pro-Gly-Thr)io. Based on the collagen studies we did in class, which one (A, B, or C) B a) b) ( is the most like normal collagen - would be the most stable and why - because it contain fluorine which is very electronegative would be the least stable and why- c is the least stableCells with membrane ethers also may have (Select all that apply): Group of answer choices 1. 80S ribosomes 2. peptidoglycan 3. phytanyl 4. monolayers 5. pseudomurein
- Please ASAP. thanku. dysfunction of this organelle leads to accumulation of damaged proteins in the cell. A. Golgi complex B. Proteasome C. Mitochondria D. Lysosome 2.Kindly answer 8, 9, 9 and 108. The biochemical function for the cholesterol present in cell membranes isa. Cell recognitionb. Regulate membrane rigidityc. Impart polarity to the interior membraned. Prevent tight packing of fatty acid chains9. Passive transport mechanism requires both the aid of proteins and the expenditure of cellular energy. While Facilitated and Active mechanism both needs protein in order to transport drugs or ions across a membrane channel. Water transporta. Both statements are INCORRECTb. Neither is CORRECTc. Only the 1st statement is INCORRECTd. Only the 2nd statement is CORRECT9. Which of the following membrane transport mechanism requires both the aid of proteinsand the expenditure of cellular energy?a. Water transportb. Active transportc. Passive transportd. Facilitated transport10. Which of the following types of membrane lipids has steroid structure?a. Cholesterolb. Globosidesc. Triacylglycerold. Sphingoglycolipids18:33 A docs.google.com Mitochondria are: Site of cellular respiration Involved in the production of ATP Involved in apoptosis O All of the above are correct The cis face of the Golgi complex is closest to: Plasma membrane Endoplasmic reticulum Ribosomes Lysosome The Golgi complex is the organelle that Synthesize proteins Glycosylates (modifies) glycoproteins Synthesize lipids All of the above
- MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following functions describes the enzyme Peptidase? A. remove phosphate from a substrate B. removal of H2O C. cleave phosphodiester bond D. cleave amino bondsBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Enzymes have known attributes and functions. Which of the following is NOT its common attribute or function? A. enzymes are specific B. enzymes may be used many times for a specific reaction C. enzymes provide activation energy for reactions D. enzyme activity can be regulated 2. Evaluate the following statements and identify the best that can describe how a lysozyme works.? A. It cuts the bond in a polysaccharide, by holding six sugars in a row in its active site, and adding a water molecule, causing hydrolysis. B. It is responsible for the cleaving of amino acid chains via the ping-pong mechanism. C. It cleaves the phosphodiester bond in nucleic acids, via hydrolysis. D. It hydrolyzes bonds in lipids, causing a split in a fatty acid chain.1.5 Cells without cell walls •Cell wall essential in shape and integrity of the cell •Lysis (Fig 4.32a): Wall Add lysozyme to the cell Lysozyme hydrolizes peptidoglycan at the glycosidic bonds Weakening of cell wall occurs Water enters the cell Cell bursts-lysis a Membrane H₂O enters Fig 4.32 (a) Test the integrity of the cell Lysozyme digests wall H₂O enters کرم H₂O enters Lysis Low solute solution