1. Match the following chemical terms with their definition: (Points : 15) Potential Matches: 1 : Has lost electrons; indicated by a positive sign‚ as in Na+ 2 : Molecule that dissociates in water to form individual ions‚ ionic compound 3 : Substances whose molecules have more than one kind of atom 4 : Positively charged particle in nucleus 5 : Function is to store energy for later use M. 6 : Alkaline 7 : Double sugar made up of two monosaccharide units 8 : A group of atoms bound together
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Synopsis – Grade 8 Science Chapter 1: Crop Production And Management Crop: Same kinds of plants cultivated on a large scale Types Kharif crops Rabi crops Season Sown in rainy season (June to September). grown during winter season (October to March) Examples soyabean‚ paddy‚ maize wheat‚ gram‚ pea Basic crop production practices Practices Preparation of soil Sowing Process Loosening and upturning of the soil. This process is known as tilling or ploughing. Placing
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one another‚ tells us to what diseases we are predisposed‚ and enables us to produce drugs for a variety of diseases? D. Gene Question 6 Which structure can occupy up to 90% of the volume in a plant cell? Correct A. central vacuole Question 7 Which cytoskeletal fibers are found in the internal structure of the cilia and flagella? D. Microtubules Question 8 In mammalian species‚ what structure propels the movement of sperm cells? A. Flagellum
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Chapter 13 study guide 1. In the absence of targeting information‚ what is the default location of proteins synthesized by cytosolic ribosomes? 2. Two membrane-bound organelles that are responsible for making and modifying proteins are? ER and Golgi- newly synthesized secretory proteins are first targeted to the ER‚ where they are folded and modified before exported to the Golgi for sorting 3. Name a few cytoplasmic proteins. 4. Name a few secretory proteins. Plasma membrane proteins
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Name: Jojo Cohen Date: 12-8-17 Cell Transportation Overview Directions: Read page 362-374 and use your notes to help you answer the following questions. 1. Illustrate and describe the structure of the cell membrane using figure 2.8 on page 362. 2. What does selectively permeable mean (pg. 363)? A: Selectively permeable means that some substances can pass through the cell membrane while others cannot pass through. 3. What is diffusion and why does it occur? A: The movement of solutes
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Task 2‚ 1.2‚ Select 1 type of tissue from each column. For each of the three chosen tissues‚ explain the benefits of cells combining together to form tissues with the specific functions. Jane Watson Glandular epithelial tissue: Glandular epithelial cells make up any glands within the body. These include sebaceous glands of the skin and glands in the intestinal lining (exocrine glands)‚ and many of the endocrine glands releasing hormones‚ such as the thyroid follicle. The function of glandular
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plant cell would mainly help the cell take in water or get rid of water‚ just like the potato did? This is also known as “osmosis.” How do you know that this organelle would help with that process? Vacuole 5) Which organelle‚ if empty‚ would cause the plant to wilt? Why is this? if the vacuole is empty the plant will because the water and the plant. 6) Name an organelle that you see in the plant cell that you did not see in the animal cell. Eukaryote 7) Why do you think an animal
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Little Celleste the cell was in the middle of his meal‚ when he thought for a minute about what he was eating‚ and how it had gotten there. The great Father Cellmas came to his mind‚ so he called out for him because he knew he could solve his answers. Since after all Father Cellmas was the man who knew all the questions you asked him about yourself. Father Cellmas was in the middle of a nap when he heard the yell of a small cell. “I wonder who is calling for me?” Father Cellmas wonders‚ and gets
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be crucial to a plants health. In an isotonic solution‚ a plant cell has no net movement of water. A word for what occurs is flaccid. When solution is isotonic the vacuole is not full and that is really bad because a plant needs its nutrients and a full vacuole makes it stand tall (turgar pressure). In a hypertonic solution‚ the vacuoles lose water; the cytoplasm shrinks and chloroplast are seen in the center of the cell. A word that describes this is plasmolysis. This is bad for a plant cell because
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The Effect of Solvent Exposure and Temperature on Beet Cell Membrane Integrity Introduction: • Cell membranes are vital to proper cellular function • Cell membranes consist of a lipid bilayer made up of phospholipids • Phospholipids are amphipathic molecules meaning they have a dual nature in that they show both hydrophilic (water-loving) and hydrophobic (water-fearing) properties • The amphipathic nature of phospholipids causes them to spontaneously form bilayers in water
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