А. CELLULAR STRUCTURE AND BIOMOLECULE 1 & 2. Give two unique properties of the organelles emphasized by the endosymbiotic theory.
Q: 6. How would an increase in blood pressure affect the delivery of nutrients to body cells?
A: The blood is the medium that exchanges gases and nutrients with the cells. Blood flows through…
Q: 5. Discuss the nucleus and explain its immense functions.
A:
Q: 15. Describe 4 functions of cytoskeletal proteins. А.
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A: Types of cell death : 1. Apoptosis 2. Autophagy 3. Necrosis
Q: B- Remember the main function of the following for 3.only: 1- Checkpoint during cell division 2-…
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Q: 11. Phagocytosis, pinocytosis, and receptor-mediated endocytosis all involve C the export of…
A: Introduction :- Pinocytosis is the process of live cells ingesting liquid droplets. Endocytosis is…
Q: b. How is the DNA information used to make proteins for ongoing cellular processes and cellular…
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Q: 1: What material(s) is/are transported by the cells within the red oval?
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Q: Differntiate between cytotaxonomy and chemotaxonomy?
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A: Inflammation is a sort of immunological response that creates during the time of injury or invasion…
Q: II. CELL FEATURE OBSERVATION The following questions pertains to the features of cells. Provide the…
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Q: 10. (a) How are malignant neoplastic cells/ tissues different from normal cells/ apoptosis tissues?…
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Q: 3. (a) What are the different methods of cell lysis? Discuss in detail.
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A: The cytoskeleton is a structure that helps cells maintain their shape and internal organization, and…
Q: b. Individuals with these cancers may be treated with one of the following chemotherapeutic drugs.…
A: In cancer the uncontrolled cell division and growth occurs that it leads to the uncontrol cell…
Q: Explain the concept map depicted below. Explain how etiological agents/lifestyle/environment can…
A: Necrosis : It is the death of the body tissue . It occurs when too little blood flows through the…
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Q: 9. What is cellular regeneration? How is mitosis related to this process?
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Q: 2- When a liver is partially resecieu occur cellular adaptation by -hyperplasia. 3- The mitochondria…
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Q: 4. Write a short paragraph on mutations and how they may alter protein synthesis and function.
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Q: Define cell. Name three basic cell features in all living organisms. (found both in prokaryotes and…
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Q: 5) Briefly explain why the formation of a tumour can pose a risk to a person's homeostasis.
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Q: 13. Compare the cells in the two photomicrographs below in terms of their shape and structure(s). А…
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Q: 38. What are the principal tissue stains used in histology and describe where and what color each…
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Q: 1. Explain the importance of gluconeogenesis. Where does it occur in the cell? Which type of tissue…
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Q: (c) Discuss the process of replication of DNA.
A: When a cell divides, DNA replicates itself via the process of replication.
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Q: B. 1. 2. 3. 4. 5. 6. 7. 9. Which part of the cell controls cell activities and transmits hereditary…
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Q: a) What is the role of the lysosome in degrading proteins? What are the enzymes that…
A: a) Lysosomes are single membrane-bound organelles present in animal cells. Lysosomes have acidic…
Q: 8. Describe the fluid mosaic model of a cell mem the cell membrane and the internal endomemb…
A: Q8. Fluid Mosaic Model: S.J. Singer and Garth L. Nicolson proposed the fluid mosaic concept in 1972…
Q: 26) The principal functions of the ECM are ; EXCEPT a) Mechanical support for cell anchorage b) Cell…
A: Hi! Thank you for your question. As the first question posted by you is not clearly explained, we…
Q: The Cytoskeleton. Use the topic and relate the topic for initiation progression and…
A: Cytoskeleton : it is unique to eukaryotic cells . It is a three dimensional structure that fills the…
Q: Details Please answer the following prompt: How can two cells with the exact same genome obtain…
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Q: 15.Continuously proliferating cells include all of the following except a . Brain cells. B.Skin…
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Q: 3. List and briefly describe the steps of phagocytosis. An outlined illustration will be fine.
A: Phagocytosis is a process of a cell. Phagocytosis is done when cell want to destroy something. It…
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- Match the following structures with their definitions: (1) Golgi apparatus (2) mitochondria (3) peroxisomes (4) cilia (5) endoplasmic reticulum (6) cytoskeleton (7) vesicles (8) ribosomesA. sacs that contain enzymes that catalyze a variety of specific biochemical reactions B. structures on which protein synthesis occurs C. structures that house the reactions that release energy from nutrients D. a network of microfilaments and microtubules that supports and shapes a cell E. a structure that adds sugars to certain proteins and processes them for secretion F. membrane-bounded sacs G. a network of membranous channels and sacs where lipids and proteins are synthesized H. hairlike structures that extend from certain cell surfaces and wave abouMatch the following structures with their definitions: (1) Golgi apparatus (2) mitochondria (3) peroxisomes (4) cilia (5) endoplasmic reticulum (6) cytoskeleton (7) vesicles (8) ribosomes A. sacs that contain enzymes thatcatalyze a variety of specific biochemical reactionsB. structures on which protein synthesis occursC. structures that house the reactions that release energy from nutrientsD. a network of microfilaments and microtubules that supports and shapes a cellE. a structure that adds sugars to certain proteins and processes them for secretionF. membrane-bounded sacsG. a network of membranous channels and sacs where lipids and proteinsare synthesizedH. hairlike structures that extend from certain cell surfaces and wave about.Tab. 20.1. Pathological structural changes of cell organelles (1) (2) (3) (4) (5) (6) Swelling Normal (1) Change in structure Membrane changes Matrix changes (6) (5) c) e) -> (4) Mitochondria Matrix-type d) Crista-type (2) b) n Rough Endoplasmic Reticulum Z Vesiculation Ribosome lysis Vacuolation Ballooning f) (3) Type of disturbance Causes Outcomes
- 63. Which of the following statements is/are true about collagen? a) It gives epithelial layers tensile strength and allows them to stretch. b) It requires hydroxylation of particular amino acids post-translationally. c) It is present in different epithelial cell types in different forms, such that it serves as a usual marker for the origin of difference cancers. d) a and c e) a, b and c2_53392678751... material, separate from the DNA in the nucleus, and can make copies * .of themselves the lysosomes and peroxisomes. the endoplasmic reticulum. the mitochondria. the ribosomes. نقطة واحدة * :The range of the blood pH is 7.0 to 7.50 7.30 to 7.40 7.40 to 7.53 7.35 to 7.45 نقطة واحدة The . . are the rarest form of white blood cells and are involved in >1) Answer the following questions about a Vegetarian diet: a) If applicable, what specific tissue or organelle would be affected by the diet. If no research is available, hypothesize which tissue or organelle may be affected and why. b) Which nutrient (macro or micro) is the focus of this diet? c) List the foods that would contain the nutrients that are the main focus of the diet.
- Mention three proteoglycan that form he major component of connective tissue.In addition to vitamin A (retinoic acid), which other fat-soluble vitamin has been shown to make lysosomal membranes more unstable and vulnerable to rupture (when the cytosol is acidic)? vitamin E (in the form of a-tocopheryl succinate) vitamin B12 (in the form of cyanocobalamin) vitamin C (in the form of ascorbic acid) vitamin B2 (in the form of riboflavin) vitamin B1 (in the form of thiamine)100. Hemocytes are stem cells which become plasma cells of the White Blood Cell System. These cells produce a type of proteins called antibodies. These antibodies attack viruses and bacteria. Such cell products are: a) synthesized by the ribosomes, b) synthesized into the endoplasmic reticulum, c) transported by vesicles into the Golgi apparatus, d) released by the Golgi apparatus into the blood by exocytosis e) all of these steps occur.
- Give the specific terms for the following:(a)Cluster of ribosome’s found in cytoplasm(b)Extensive in folding to the inner membrane of mitochondria.(c) Stacks of closely packed thylakoids(d)Stalked particles on the inner membrane of mitochondria.5- The function of carbohydrates in the cell membrane is primarily: a) Providing structural integrity b) Assisting in the diffusion of water-soluble substances c) Serving as receptor sites for hormones d) Forming glycoproteins 6- Which of the following cellular structures is responsible for producing energy? a) Nucleus b) Golgi apparatus c) Mitochondria d) Endoplasmic reticulum 7- The region within the cell that surrounds the nucleus is called: a) Cell membrane b) Cytoplasm c) Golgi apparatus d) Endoplasmic reticulum. 8- Which of the following cellular structures is responsible for storing genetic information? a) Nucleus b) Ribosome c) Lysosome d) Vacuole 9- The organelle that is responsible for protein synthesis in a cell is: a) Nucleus b) Mitochondrial c) Ribosome d) Golgi apparatusTab. 6. Mechanisms of intracellular accumulation of substances (Intracellular Accumulations or parenchymal dystrophies) 1. Normal cell Protein mutation Complex substrate Soluble products Enzyme Abnormal metabolism Defect in protein folding, transport -X-> Lack of enzyme Fatty liver 4 Ingestion of indigestible materials Accumulation of abnormal proteins Complex substrate Lysosomal storage disease: accumulation of endogenous materials Accumulation of exogenous materials 12. 3. 4.