Access to Higher Education Core Biology Assignment The name of the cell organelle‚ or structure‚ to which each of the following statements refers: a)Fully permeable layer found outside the membrane of some cells. Cell Wall b)Series of membranes in the cytoplasm through which materials can be transported and in which proteins accumulate. Endoplasmic Reticulum c)Site of ribosomal RNA synthesis. Nucleus d)Partially permeable layer about 7.5nm thick. Cell Membrane e)Structures responsible for producing
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Scientific Method: 1) What is the scientific method? The scientific method is a way to ask and answer scientific questions by making observations and doing experiments. 2) What are the steps of the scientific method? Ask a Question‚ Do Research‚ Hypothesis‚ Test Your Hypothesis by Doing an Experiment‚ Analyze Your Data‚ Draw a Conclusion‚ And Communicate Your Results. 3) Why do scientists use the scientific method? What are the benefits of using it? Scientists use this method to have a formula
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Embed Take Quizzes › Biology Chapter 4 Test File › Score Report Your Certificate ------------------------------------------------- Top of Form Bottom of Form Print or Download * Facebook * Twitter * Your Result Result » Fail | Your Answers * Print Report Correct | | | Q.1) | What must cells do in order to survive? | | | | A. | obtain and process energy | | B. | convert genetic information into proteins | | C. | keep certain biochemical
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Question 1 Identify the structure highlighted in light yellow | | plasma membrane | | | endoplasmic reticulum | | | Golgi apparatus | | | vesicle | | | vacuole | Question 2 The molecule listed below is an example of a(n) _____. | | phospholipid | | | cholesterol | | | steroid | | | fat | | | oil | Question 3 Identify Structure D | | glycoprotein | | | cholesterol | | | phospholipid bilayer of membrane | | | extracellular matrix
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the smallest unit of life and are often called the "building blocks of life". The distinction between prokaryotes and eukaryotes is considered to be the most important variation among groups of organisms. Eukaryotic cells contain membrane-bound organelles‚ such as the nucleus‚ while prokaryotic cells do not. The differences in cellular structure of prokaryotes and eukaryotes include the presence of mitochondria and chloroplasts‚ the cell wall‚ and the structure of chromosomal DNA. In this lab four
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types: Prokaryotic and Eukaryotic. While Prokaryotic and Eukaryotic cells are similar in that both types of cells are bounded by a plasma membrane‚ all contain cytosol‚ and all have chromosomes and ribosomes; they differ in the location of their DNA‚ organelles in the cytoplasm‚ and their size. All cells share certain basic features. They are bounded by a selective barrier known as the plasma membrane. All cells contain cytosol which is a semifluid‚ jelly-like substance. Also all cells have chromosomes
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where the celluar respiration takes place and most of the cells ATP. Nuc is short for Nuclus or Nucleous ‚ the is used to produce ribosomes.Golgi stands for Golgi apparatus this organelle is in controlling the modification‚ sorting‚ and secreation of cell products. Lys is short for Lysosomes ‚ this is the digestive organelle where the macromolecules are hydrolyzed. Ves is short for Vessicals. 2. What is and autogenic hypothesis of the origin of the eukaryotic cell? The autogenic hypothesis of the
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p.92\ a.1 Eukaryotic Cell vs Prokaryotic Cell All cells can be classfied into prokaryotes and eukaryotes. Prokaryotes were the only form of life on Earth for millions of years until more complicated eukaryotic cells came into being through the process of evolution. Comparison chart All attributes Differences Similarities | Eukaryotic Cell | Prokaryotic Cell | Nucleus: | Present | Absent | Number of chromosomes: | More than one | One--but not true chromosome: Plasmids | Cell Type: |
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to see when viewed with the microscope at medium power. For example‚ you will observe a large circular nucleus in each cell‚ which contains the genetic material for the cell. In each nucleus‚ are round bodies called nucleoli. The nucleolus is an organelle‚ which synthesizes small bodies called ribosomes. Ribosomes are so small you cannot see them with the light microscope. Also present in the onion cell‚ is a well-developed cell wall and a cell membrane just beneath it. Purpose: To study the structure
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developing knowledge comercially. Objectives 1. To identify prokaryote cell and eukaryote cell. 2. To compare between prokaryotic and eukaryotic cells 3. To differentiate between animal and plant cell. 4. To identify the organelles and describe the functions of each organelles. Equipment and Materials 1. Microscope 2. Methylene blue stain 3. Iodine stain 4. Glass slide 5. Cover slip 6. Knife 7. Lens paper 8. Dropper 9. Onion 10. Cheek cell 11. Prokaryote cell suspension
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