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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
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- 2) Explain how the following cell transport systems work moving materials around inside the cell and other functions. Focus on structure and function, and Include how energy is used to accomplish these movements. A)Tubulin/Kinesin B)Actin/Myosini have 4 homework questions related to cell transport. i answered them with the help of my notes but just wanted to verify if my answers are correct and if they are not then an explanation would be helpful. so can you confirm if the following bolded answers are correctly selected: 1. Two molecules that can pass easily through the plasma membrane, between phospholipids, include a) oxygen and starch b) salt and water c) starch and salt d) water and oxygen e) starch and water 2. When comparing two solutions, the one with more dissolved solutes is said to be a) hypotonic b) hypertonic c) isotonic d) in equilibrium 3. Turgor pressure builds up in a(n)_________ cell when it is placed in a(n)_______ solution. a) plant, hypotonic b) plant, hypertonic c) plant or animal, isotonic d) animal, hypotonic e) animal, hypertonic 4. The scent of a burning candle fills the entire room. This process is an example of a) osmosis b) diffusion c) endocytosis d) facilitated diffusion e) none of the abovee Final Part 2 (page 2 of 25) rkanacollege.edu/mod/quiz/attempt.php?attempt=502922&cmid=3353028&page=1 Question 2 Not yet answered Points out of 1.00 P Flag question Which structure is the site of the packaging of proteins and lipids that may be shipped out of the cell? It is the "“Fed-Ex" or "UPS" organelle. Select one: O a. Golgi apparatus O b. tight junctions O c. rough ER O d. plasmodesmata Next page Previous page Time left 0:46:06 DELL -> & @ #3 $ 7 8. 2 3 4 r y W e k
- A Cell Transport Study Guide Amara Mohamad - Cell Transpo A docs.google.com/presentation/d/1rTHSAC-61C2E8sLBESlplITDoyKOX5hXDpSNLDJ23TY/edit#slide-id.SLIDES API169621999 3 1 2 3 4 I 5 Hypertonic means that the environment outside of the cell has a higher concentration of solutes than the cell itself. That will attract water molecules from the cell leading to the shrinking of the cell water concentration is greater outside the cell and the solute concentration is higher inside the interior of the cell that is hypertonic to the hypertonic surroundings. The net flow of water is into the cell In an conce equal is no chang place will er 4. The tonicity of a solution is determined by the presence of solutes that (circle one) [ ca cannot ]easily pass the cell membrane. 5. In a HYPERTONIC solution, there is a (circle ore) ( higher | lower ] amount of solutes ide ecell relative the inside of a cell. 6. In a HYPOTONIC solution, there is a (circle one) [ higher lower ] amount of solutes outside…About intermediate filaments, microfilaments and microtubules, describes:a) In detail, their structures, characteristics as well as how their monomers can form the filamentsb) Functions of them in animal cellsGive the respective structural descriptions and functions of the following: 1. Cell Membrane 2. Nucleus 3. Nucleolus 4. Smooth Endoplasmic Reticulum 5. Rough Endoplasmic Reticulum 6. Nuclear Membrane 7. Mitochondria 8. Golgi Apparatus 9. Cytoskeleton
- Answer the Guide Question: a) Each cell in an organism has all of the basic parts. Each has a function that benefits the other cells, how might the presence of different cell structures in plant and animal help them perform their functions as an organism. Explain. b) Why is the cell membrane considered as the guard of the cell? c) Why is the lysosome considered as the suicide bag of the cell?With regard to cytoskeletal structure and function, a) Outline the structure and organisation of cytoskeletal proteins in a eukaryotic, epithelial cell.18) Conduct 1-2 of these investigations and take screenshots of the data in the Lab Review Description tab for each. Note: The screenshot tool is available under the 1) Build a model of a cell, out of household materials of your choice, that shows at least 5 major cell organelles in addition to the cell membrane and nucleus. You can use the organelles you studied in the "Cell Structure" Gizmo®. Take a photo of your model and upload the image in the appropriate field. Tools icon in the upper right of the Gizmo®. Save the screenshot image file. Upload your screenshot into the field below. 19) What assumptions does the simulation make about a cell? Would a red blood cell behave in a similar way? What about a plant cell? Explain your answer.
- 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 165Which electron or light microscopy technique would you use for the following? (also explain) For visualizing the fine structure of cellular organelles and cell architecture in the cell interior using very thin cross-sections made in Epon. To obtain sequential images of a macromolecule in order to study its activity in real-time. To obtain an extremely clear three-dimensional image of the nucleus of a single cell. What is the magnification of the image in a microscope using a 20x ocular and a 100x objective?PART B: Vesicular Transport D plasma membrane nuclear envelope C ENDOCYTOSIS endoplasmic reticulum transport vesicles EXOCYTOSIS A В CYTOSOL Golgi apparatus Q-6. Choose from the following terms to label A, B, C, & D. EXTRACELLULAR SPACE [Not all of the terms are used] cis-Golgi, early endosome, late endosome, lysosome, medial cisterna, peroxisome, trans Golgi A: B: C: D: