BIOL 108 WORKSHEET 2

Unit 3 - Activity 7 - Evaluating Advances in Cellular Biology Assignment Advances in cellular biology have had a major impact on human health worldwide. As one example, when the first cases of acquired immune deficiency syndrome (AIDS) appeared in the late 1970s, they frustrated medical researchers who were trying to find the cause of this wasting disease that could quickly compromise entire body systems. Researchers suspected the cause to be a retrovirus, a type of virus that can transform its RNA into DNA, which is subsequently incorporated into the host type of virus that can transform its RNA into DNA, which is subsequently incorporated into the host cell's genome. If host cells include the crucial T-lymphocytes that are part of the immune system, then a person infected with the virus can be left defenseless against infections.< ← In 1983, a team of researchers at the celebrated Pasteur Institute in Paris finally identified this retrovirus as the human immunodeficiency virus (HIV).…

Work 1. The main structural components of the eukaryotic cell of the animal. Fill in the table. CELL ORGANELLE FUNCTION ROLE IN BASIC PHYSIOLOGICAL PROCESSES SMOOTH ENDOPLASMIC RETICULUM ROUGH ENDOPLASMIC RETICULUM MITOCHONDRIA RIBOSOMES LYSOSOMES CYTOCENTRUM

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Cell Membrane and Cell Transport WebQuest Part I: Cell Membranes Go to the following website: www.biology4kids.com/ files/cell_membrane.html 1. How is the cell membrane similar to a plastic bag with tiny holes? 2. What two components make up the cell membrane? a. What are their functions? 3. What is the fluid mosaic model? 4. Sketch a section of the cell membrane, showing both phospholipids and proteins. Label your drawing. 5. Label the diagram of the phospholipid molecule below with the following terms: hydrophilic head, hydrophobic tail This diagram shows a Head simplified version of a phospholipid molecule. Tails

-Fill in the blanks. -You must answer (1) to (27) THANK YOU IN ADVANCE.

Give typed full explanation  The Importance of the Cell in Human Health The cell is the basic unit of life. It is a highly organized structure composed of organelles, cytoplasm, and cytoskeletal structures and surrounded by a plasma membrane. Each of these structures has a specific function necessary for the proper development and function of tissues, organs, and organ systems. Dysfunction of cellular components may not only affect the individual cell but may affect the entire organism, resulting in a clinical disorder.

UNIT 5: PROTEIN SYNTHESIS] Eryka.1 Biology Notes Out 1. Most of the work in the body is done by proteins. Describe the function of each of the proteins: a. Carrier - b. Recognition - c. Antibodies - d. Structural - e. Hormones - f. Enzymes - 2. What are polypeptides? a. What is the primary structure of a polypeptide? 3. How does the nucleus control the cell's activities? a. What is this process called? NA Structure 4. What are the three components of nucleotides?

General Biology IQuarter 1 – Module 5.1Disorders and Diseases resulting from Cell Malfunction

Knowledge Check Use of Microscopes You are going to learn how to use the most common type of microscope, the compound light microscope. K The following question will be scored. Which of the following scientific investigations may use a compound light microscope? (check all that apply) Detect the presence or absence of a nucleus (large organelle) in cells of unknown origin. L 9c3/c7405a10-23cb-11ed-b26a-dfb355b4f1e5/c785043... Determine the diversity of microbes in a lagoon to monitor recovery after pollution. Decipher whether snakes detect their prey through sound, smell, sight, touch, or a combination of senses. Identify red blood cells in a patient suspected to have sickle cell anemia, in which red blood cells are sickle shaped. Examine the corona, or protein spikes, on the outside of the COVID-19 (SARS-CoV-2) virus. MacBook Pro SUBMIT ->

MAIN IDEA: Eukaryotic cells have an extensive and dynamic framework called a cyto- skeleton. The cytoskeleton is used for cell shape, internal structure, movement, and cell division. Many cells are surrounded by and supported by a complex extracellular matrix and are able to interact with adjacent cells and the environment via cell junctions. 3. List three common components of microtubules and microfilaments. 6. Complete the paragraph to describe how organelles help cells and cell contents move around. _j help to move cell components, such as a cell's during cell division. They rapidly assemble strengthen duplicated hen needed and then disassemble. and change the shape of a eukaryotic cell. In this way they can help the cell move. Organized arrays of are found in and of eukaryotic cells. Elongated or false feet, help in amoebas' these single-celled organisms move. - Describe four examples of extracellular matrix in different organisms.

esc Decide whether each molecule in the table below could be found embedded in the outer surface of a cell membrane. For each molecule that could, decide whether the outside of the cell would lie to the right or left of the molecule as drawn. Note for advanced students: none of these molecules are actually found in cell membranes. Your goal is to use the principles of biochemistry to decide whether they could be, if for example they were synthesized and studied as drug candidates. HO. Explanation OH OH molecule OH Shellyy gezon Check NHS 20 CH3 000 000 CH3 Could be in a membrane? Oyes Ono O yes Ono g 8 yes no yes no Membrane would be to the..? + left right → + left + left + left MacBook Pro right → right → right → X 5 ? 圖 图〗 olo Ar © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility

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Gen bio1

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Instructions: Fill out the Venn diagram below on information regarding the parts of eukaryotic (plant and animal) cell and prokaryotic (bacterial) cell. Overlapping areas are cell parts that are common to both types of cells.

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Borro. B6 Pear. O Mail.. M Myo. Dayf... A ALEK. Y Ellucian.. A session.masteringbiology.com S HW 6 of 8 of an Animal Cell: Structures and Functions (BioFlix tutorial) ne cell is the basic structural and functional unit of all organisms. To understand how an organism works, you must first understand how its cells are structured nd the roles that each structure performs in the cell. Before beginning this tutorial, watch the Tour of an Animal Cell animation to learn about the general structure of an animal cell. Although animals are made up of nany different cell types (for example, nerve cells, blood cells, muscle cells), all of the cells share many basic similarities with the cell shown in the animation. Part A - Animal cell structures and functions To understand how cells function as the fundamental unit of life, you must first become familiar with the individual roles of th& cellular structures and organelles. Drag the labels on the left onto the diagram of the animal cell to…

2. Match Read about each organelle. Then match each organelle to its function/description. A. Structure that organizes motion of chromosomes. B. Stack of membranes that packages chemicals. C. Membrane that surrounds and protects the nucleus D. Membrane that surrounds and protects the cell. E Sac filled with digestive chemicals. Lysosome MRochondria Centriole Endoplasmic reticulum Vacuole Cell membrane Nucleus Cytoskeleton Ribosome Nuclear membrane Golgi apparatus Vesicle Nucleolus (Activity A continued on next page) don F. Structures that convert nutrients to energy. G. Passageways where chemicals are made. H. Everything between the nuclear membrane and the cell membrane. 1. Structure that manufactures ribosomes. J. Structure that contains DNA and regulates genes. K. Package created by the Golgi apparatus. L. Small structure that synthesizes proteins. M. Sac that stores water, nutrients, or waste products. N. Tubules and filaments that give the cell its shape. sting is prohibited.

Practice identifying organelles. Click and drag each label to identify the organelles. Smooth endoplasmic reticulum Proteasome Golgi complex Rough endoplasmic reticulum Mitochondrion Centrioles Inclusion Lysosomes Secretory vesicle Reset Zoom

Bellwork 3/23 1. Which characteristic would communicate that the organism is a eukaryote? (12b.DOK 1) a. The organism can convert solar energy into chemical energy b. The organism has a structure for movement/mobility c. The organism has membrane-bound organelles d. The organism contains DNA 2 Which organism has the following characteristics: heterotrophic, eukaryotic, unicellular or multicellular, cell wall made of chitin? (12b.DOK 1) a. Protist b. Plant C. archaebacteria d. Fungi 3. What is the basic structure of a virus? (12e.DOK 1) DNA or RNA surrounded by a protein coat A capsid surrounded by a protein coat A head and tail fibers a. b. С. d. A tiny cell surrounded by a cell wall 4. What evidence would best support the argument that a virus is nonliving? (12e.DOK 1) Its genetic material is not contained in a nucleus. It lacks mitochondria for the production of energy. It cannot reproduce without a host. It does not have a cell wall to give it support and structure. a. b. С. d.

Q4: Describe the structure of plasma membrane. Suggest the mechanism(s) by which each of the following substances is transported across cell membranes: a. CO2 b. Glucose c. C1– d. K+ e. Fat molecules

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Lecture 6-Worksheet Part 1: Below are TWO ER bound proteins. The green region is indicating the ER transfer signals. 1. Can you label the start and stop transfer signals based on the rules we just went over? 2. Draw and label these proteins. (1) (2) N N ER lumen Part 2: Sketch the orientation of this protein as it would appear in the transport vesicle and plasma membrane. membrane-enclosed organelle (e.g., ER or Golgi) vesicle plasma membrane 1₂:0. 0-9 ? CYTOSOL extracellular fluid 165

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Molecular Transport Across Membranes Workshop How does the cell membrane control movement of materials? The cellular membrane is critical to the maintenance of homeostasis in living organisms. The cell membrane separates the cell from the external environment and plays a critical role in regulating movement of material in and out of the cell. Additionally, eukaryotic cells are made complex by the presence of internal membranes that form organelles, so the cells may become specialized. These organelle membranes create compartments within the cell that can do specific functions. For this exercise, you will work in groups of four to progress through the activities. At the end of each activity, one group (chosen at random) will share how they responded and open the floor for further discussion. Model 1 - Types of Ions and Molecules in a Cell Type 4 Molecules Molecular oxygen (O,): Туре 1 Ions Type 2 Molecules Туре 3 Molecules Glucose: Water: Potassium: K* OH 0=0 D Sodium: Na+ + O- Urea:…

I. Up-close: Eukaryotic Cells and Organelles Match the organelles with the proper description: Nucleus Membrane-bound sit of protein production Rough ER Network of protein fibers that help moving Smooth ER Membrane-bound site of lipid production Ribosomes Membrane-bound site of protein processing Mitochondria Contain genetic material Lysosome Breaks down molecules and parts of cell for re-use Golgi Convert light energy into chemical energy Chloroplast Converts energy in food to a form the cell can use Cytoskeleton Translate genetic material into proteins 80°F

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V5. Which organelle is involved in the formation of lysosomes : (a) Endoplasmic Reticulum (b) Golgi Apparatus (c) Nucleus (d) Mitochondria

2. "My Life As a Protein" Write a short story about your life as a chemical message/protein that was created by the nucleus. i. ii. iii. iv. Describe your journey through the cell after the nucleus has given the instructions to have you made. Describe how each of the organelles affects your journey as you travel through the cell and ultimately, through the cell membrane. Organelles you should mention include the nucleus, nuclear membrane, nucleolus, ribosomes, endoplasmic reticulum, cytoplasm, Golgi body, and plasma/cell membrane. Be creative and describe as many organelles as you can.

The basic unit of life is the cell, and now in a modern laboratory even mammalian cells can be easily cultured in a test tube or a flask. In this unit you have learned about the biomolecules of life such as carbohydrates, lipids, proteins and nucleic acids which come together to allow cells to form and function. You are required to design a cell culture medium for maintaining mammalian cells, what are your key considerations? (hint: you need to describe the key nutrients and the underlying reason for them, and the pH of your medium).

Q.1. We are familiar with the semipermeable nature of bio-membrane, then what types of molecules would be able to pass through them and what types of molecule would be failed to pass?