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Jessica C. Goodwin Biology 1107 Chapter 61. TRUE or FALSE: Large, charged molecules can pass through the selectively permeable cellular membrane. 2. What affects the permeability of a membrane? 3. What does cholesterol do to the permeability to the membrane of animal cells?4. Which transport follows the concentration gradient without the requirement of ATP?5. When does passive/simple diffusion reach equilibrium? 6. What does a solution consist of? 7. The diffusion of water is known as __. 8. What is the difference between hypotonic and hypertonic solutions? 9. Molecules combine with carrier specific proteins in order to perform what type of transport?10.What type of transport moves against the concentration gradient?11.__ active transport used energy directly while __ active transport uses energy indirectly.12.Sodium-potassium pump is an example of what type of active transport?13.Bulk transport that secretes contents once it reaches the plasma membrane.14.Bulk transport that takes in substances and forms a vesicle. Name the two types.Things to remember: This exam begins with chapter 6, slide 27 The types of diffusion/transport and the energy required Review the questions in the Power PointAnswers1. False 2. The length of fatty acid tails and the percentage of saturated vs. unsaturated fatty acids and cholesterol 3. Decreases the permeability 4. Passive transport 5. When the net change of molecules stops 6. A solute and a solvent 7. Osmosis 8. A hypotonic solution has less solute concentration in the solution than inside of the cell. A hypertonic solution has more solute concentration in the solution than inside of the cell. 9. Facilitated 10.Active transport
Jessica C. Goodwin Biology 1107 11.Primary; secondary12.Primary 13.Exocytosis14.Endocytosis; phagocytosis and pinocytosis Chapter 7 1. What are the basic components of a cell? 2. TRUE or FALSE: longer, thinner cells increase the surface area of a cell. 3. The three shapes of prokaryotic cells are spherical (coccus), rod-shaped (__), or spiral (spirillum/spirochete)4. TRUE or FALSE: fimbriae is an appendage used for attachment and is often harmless to other organisms.5. Where is the DNA of a prokaryote found? 6. What is the cell wall of a prokaryote made of? 7. What component found in some prokaryotes gives an extrachromosomal DNA advantage?8. What component is used to stores water and pigment within the cell that is found in plant cells but not animal cells?9. Where is the DNA of a eukaryote found? 10.How many phospholipid bilayers surround the nucleus?11.Ribosomes are the site of __.12.In what type of cells are ribosomes largest?13.What is the difference between rough endoplasmic reticulum andsmooth endoplasmic reticulum?14.How are lysosomes activated?15.What organelle detoxifies harmful chemicals such as alcohol?16.TRUE or FALSE: plant cells have a mitochondrion and a chloroplast.17.What appendages are used for locomotion?18.TRUE or FALSE: Plant cells contain centrioles.Things to remember: Know the differences between prokaryotic cells and eukaryotic cells Know the details of each organelle Know the steps to the endomembrane systemAnswers1. Plasma membrane, cytoplasm/cytosol, DNA, ribosomes 2. True 3. Bacillus 4. False. Example: Neisseria gonorrhea is caused by this appendage 5. Nucleoid region 6. Peptidoglycan (ß- glycosidic linkages) 7. Plasmids
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