1. describe the structure (membrane) and function of the mitochondria, chloroplast, lysome and the nucleus. 2....
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1.
describe the structure (membrane) and function of the mitochondria,
chloroplast, lysome and the nucleus.
2....
Describe the color of Gram positive and Gram negative bacteria in each step of the Gram...
Describe the color of Gram positive and Gram negative bacteria in each step of the Gram staining procedure. (Be sure to account for the procedure, the reagent, and the colors of Gram negative and Gram positive bacteria in your description.)
Describe the structure, composition, function and importance of the major prokaryotic and eukaryotic structures below. Structures...
Describe the structure, composition, function and importance of the major prokaryotic and eukaryotic structures below. Structures common to all cells: Cell wall Cell membrane Cytoplasm Ribosome Nucleus/nucleoid region (genome) Flagella Structures unique to prokaryotic cells: Endospore Pilus Capsule plasmid Structures unique to eukaryotic cells: Mitochondria Chloroplast Vesicle Cytoskeleton
1. Describe several advantages of differential staining procedures compared with simple staining techniques. 2. Give the...
1. Describe several advantages of differential staining procedures compared with simple staining techniques. 2. Give the purpose of each of the following reagents in a differential staining procedure: a. Primary stain b. Counter stain c. Decolorizing agent d. Mordant 3. Why is it important for the counter stain to be a lighter color than the primary stain? 4. You have done gram staining for a gram positive bacteria, but at the end you observed pinkish-red bacteria under microscope, what was...
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G....
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G. NAA H. Flagellin I. P lasmids J. Phospholipids K. Ribosomes L. Endospores M. NAM photosynthetic bacteria found in plasma membrane 2. found in gram-positive cell wall sticky carbohydrate outside cell wall used for attachment and avoiding phagocytes 4 numerous, short hair-like appendages that help bacterial cells attach to other cells. 5, , specialized structures assist in transfer of genetic material between cells 6 structure...
Cell Structure and Function: 1. What is the basic structure of the cytoplasmic membrane, and what...
Cell Structure and Function: 1. What is the basic structure of the cytoplasmic membrane, and what are its three critical roles in bacteria? (5) 2. What is the role of peptidoglycan in the cell, what are the two polysaccharides which make up the backbone, and what is the advantage for a cell lacking peptidoglycan? (4) 3. What is the difference between Gram-negative and Gram-positive Bacteria in the crosslinking of peptidoglycan? (2) 4. How and why does the Gram stain differentially...
What are the possible flagellar arrangements on bacteria? Describe the basic structure of peptidoglycan. What is...
What are the possible flagellar arrangements on bacteria? Describe the basic structure of peptidoglycan. What is the difference between gram positive and gram negative cell wall structure? Know the procedure and sequence of performing a gram stain, and what is happening to the bacterial cell after each step. What is the significance of a bacterial cell wall? (why is it so important?) How can hypertonic solutions be used to inhibit bacterial growth? What are the 3 types of motility seen...
SWAU u sulide of the slide Questions 1. What color are Gram-positive cells supposed to be...
SWAU u sulide of the slide Questions 1. What color are Gram-positive cells supposed to be after a Gram-stain? What about Gram-negative cells? (2 pts.) a rum + - purple Gram -- pink 2. What characteristics can be determined in a Gram-stain? (2 pts) 3. List all of the things that can go happen during the Gram-staining process that could lead to an incorrect or poor result. (2pts.) 4. Why are direct gram stains ordered on clinical specimens? (2pts.) 5....
Chapter 4(microbiology) 1. What are the shapes and arrangements of bacteria cells? 2. Why is it...
Chapter 4(microbiology) 1. What are the shapes and arrangements of bacteria cells? 2. Why is it important to be able to identify the shape and arrangement of an unknown bacterial sample? 3. Differentiate between eubacteria and archaebacteria. 4. What are the differences between eukaryotes and prokaryotes? 5. Why would a microbiologist care about those differences? Be specific. 6. What are the basic parts of a prokaryote? (the parts found in all bacteria) 7. How do the cell walls of Gram...
1) Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective...
1) Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability. Ipt 2) Most antibacterial drugs disrupt or destroy bacterial cellular characteristics that are different from those of eukaryotic cells or that may not even be present in eukaryotic cells, an idea termed 'selective toxicity'. List and describe at least two cellular features of bacteria that could be targeted to inhibit or kill a bacterial pathogen lpt
1. Identify the basic shapes of bacteria and formation under the microscope. 2. Describe how bacteria...
1. Identify the basic shapes of bacteria and formation under the microscope. 2. Describe how bacteria are identified and named under the microscope. 3. Distinguish between Gram positive and Gram negative bacteria. 4. Explain the ways bacteria reproduce themselves. 5. Describe what makes prokaryotic cells different from eukaryotic cells. 6. Identify the internal and external structure of bacteria. 7. Define plasmids and how bacteria use them 8. Describe the 2 categories of bacteria found in the Moneran kingdom. 9. Bacterial...
Describe the color of Gram positive and Gram negative bacteria in each step of the Gram staining procedure. (Be sure to account for the procedure, the reagent, and the colors of Gram negative and Gram positive bacteria in your description.)
1. Describe several advantages of differential staining procedures compared with simple staining techniques. 2. Give the purpose of each of the following reagents in a differential staining procedure: a. Primary stain b. Counter stain c. Decolorizing agent d. Mordant 3. Why is it important for the counter stain to be a lighter color than the primary stain? 4. You have done gram staining for a gram positive bacteria, but at the end you observed pinkish-red bacteria under microscope, what was...
ne contains pigments for B. Glycocalyx C. Chromatophores D. Teichoic acids E. Fimbriae F. Nucleoid G. NAA H. Flagellin I. P lasmids J. Phospholipids K. Ribosomes L. Endospores M. NAM photosynthetic bacteria found in plasma membrane 2. found in gram-positive cell wall sticky carbohydrate outside cell wall used for attachment and avoiding phagocytes 4 numerous, short hair-like appendages that help bacterial cells attach to other cells. 5, , specialized structures assist in transfer of genetic material between cells 6 structure...
Cell Structure and Function: 1. What is the basic structure of the cytoplasmic membrane, and what are its three critical roles in bacteria? (5) 2. What is the role of peptidoglycan in the cell, what are the two polysaccharides which make up the backbone, and what is the advantage for a cell lacking peptidoglycan? (4) 3. What is the difference between Gram-negative and Gram-positive Bacteria in the crosslinking of peptidoglycan? (2) 4. How and why does the Gram stain differentially...
SWAU u sulide of the slide Questions 1. What color are Gram-positive cells supposed to be after a Gram-stain? What about Gram-negative cells? (2 pts.) a rum + - purple Gram -- pink 2. What characteristics can be determined in a Gram-stain? (2 pts) 3. List all of the things that can go happen during the Gram-staining process that could lead to an incorrect or poor result. (2pts.) 4. Why are direct gram stains ordered on clinical specimens? (2pts.) 5....
1) Describe how the structure of the bacterial cytoplasmic membrane relates to its function of selective permeability. Ipt 2) Most antibacterial drugs disrupt or destroy bacterial cellular characteristics that are different from those of eukaryotic cells or that may not even be present in eukaryotic cells, an idea termed 'selective toxicity'. List and describe at least two cellular features of bacteria that could be targeted to inhibit or kill a bacterial pathogen lpt
1. Identify the basic shapes of bacteria and formation under the microscope. 2. Describe how bacteria are identified and named under the microscope. 3. Distinguish between Gram positive and Gram negative bacteria. 4. Explain the ways bacteria reproduce themselves. 5. Describe what makes prokaryotic cells different from eukaryotic cells. 6. Identify the internal and external structure of bacteria. 7. Define plasmids and how bacteria use them 8. Describe the 2 categories of bacteria found in the Moneran kingdom. 9. Bacterial...
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