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Lysosomes are organelles that contain powerful enzymes to assist in destroying cellular debris and the breakdown of proteins and lysozymes are one of the proteolytic enzymes found in lysosomes that catalyze (breakdown) the protein wall of bacteria, especially gram positive bacteria, making lysozymes a vital part of our first-line defense against bacterial infection. Dr. Winston Morrow
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∙ 13y ago
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What will happen if a bacterial cell is placed in distilled water with lysozyme?
lysozyme will diffuse in to the cell
Which linkage breaks lysozyme in bacterial cell wall?
Bacterial cell walls contain a layer of peptidoglycan, which is the specific site that lysozyme attacks.The layer contains alternating molecules called N-acetylglucosamine and N-acetylmuramic acid.These molecules form a strong chain that acts as the backbone for the cell wall. The link between the two is cleaved by lysozyme. Once this chain is broken by lysozyme, it results in bacterial death.
What is a membrane-bound sacs that contain hydrolytic enzymes which digest complex organelle molecules?
lysosome
Why is Lysozyme is not effective against viruses?
Lysozyme (or muramidase) acts against peptidoglycan, as that found in bacterial cell walls but not in viruses. It stresses and breaks the glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine, two alternating monosaccharides of the sugar component of peptidoglycan.
What is the recycling of worn out organelles?
The lysosome
What is the secretion that kills bacteria?
Depends on where you're talking about. Eyes = lysosyme (enzyme that destroys lysosome in cell walls) GIT = hydrochloric acid
What is the antimicrobial enzyme found in tears?
lysozyme
What will happen if a bacterial cell is placed in distilled water with lysozyme?
lysozyme will diffuse in to the cell
Which linkage breaks lysozyme in bacterial cell wall?
Bacterial cell walls contain a layer of peptidoglycan, which is the specific site that lysozyme attacks.The layer contains alternating molecules called N-acetylglucosamine and N-acetylmuramic acid.These molecules form a strong chain that acts as the backbone for the cell wall. The link between the two is cleaved by lysozyme. Once this chain is broken by lysozyme, it results in bacterial death.
What is a membrane-bound sacs that contain hydrolytic enzymes which digest complex organelle molecules?
lysosome
What is the difference between ligase and lyase?
ligase mean to join..eg DNA ligase is used to join okazaki fragments ..&lyase mens to break down..lysozyme in our saliva & tears is lyase which disssolves bacterial cell wall
What can you test with Lysozyme?
basically...
Why is Lysozyme is not effective against viruses?
Lysozyme (or muramidase) acts against peptidoglycan, as that found in bacterial cell walls but not in viruses. It stresses and breaks the glycosidic bond between N-acetylmuramic acid and N-acetylglucosamine, two alternating monosaccharides of the sugar component of peptidoglycan.
Discuss the difference between a membranous organelle and a nonmembranous organelle?
Membranous: endoplasmic reticulum, Golgi apparatus, lysosome, mitochondrion, plasma membrane, nucleus. Nonmembranous: centriole, nucleolus, ribosome. The difference between these two: Membranous has a definite boundary created by a membrane whereas a nonmembranous is an organelle without a specific boundary.
What is the relationship between lysosome and Golgi?
golgi makes lysosomes. haven't you heard of Google?
What is Phagocytosis.?
Phagocytosis is the cellular process of engulfing solid particles by the cell membrane to form an internal phagosome, or "food vacuole." The phagosome is usually delivered to the lysosome, an organelle involved in the breakdown of cellular components, which fuses with the phagosome. ------------------------------------------- The process where a Phagocyte 'disposes' of a pathogen is called phagocytosis, when a bacteria attaches to a phagocyte, using ligands, The phagocyte forms Pseudopods (cytoplasmic arms) that envelope the pathogen, the Psuedopodia then fuse, creating a membrane, enclosing the pathogen forming a phagosome, this moves deeper within the cell to then form with a lysosome forming a phagolysosome (not really imaginitive naming i know, but scientists aren't known for their imaginative naming ). the lysosome contains enzymes (you guessed it, lysozyme) the lysozyme destroys the bacterial cell walls allowing hydrolytic enzymes to digest the rest of the pathogen.Sources : Collins AS Biology for AQA textbookPhagocytosis is a process by which certain living cells called phagocytes ingest other cells or particles
What is the recycling of worn out organelles?
The lysosome
