Microbiology: An Introduction - Access
12th Edition
ISBN: 9781323183199
Author: Tortora
Publisher: PEARSON
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Chapter 4, Problem 2A
The smallest eukaryotic cell is the motile alga Micromonas. What is the minimum number of organelles this alga must have?
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Label the indicated structures in each type of cell in the illustrations below.
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Wall of adjacent cell
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Plasmodesmata
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Short, hairlike structures covering the surface of the cell used only by eukaryotic
cells for movement are called
O 1) pseudopodia.
O 2) fimbriae.
O 3) cilia.
O 4) pili.
O 5) flagella.
What are the differences between a free living celled organism such as paramecium and a single human cell such as a cilliates cell of the respiratory tract?
Chapter 4 Solutions
Microbiology: An Introduction - Access
Ch. 4 - DRAW IT Diagram each of the following flagellar...Ch. 4 - Endospore formation is called (a) _____. It is...Ch. 4 - DRAW IT Draw the bacterial shapes listed in (a),...Ch. 4 - Match the structures in column A to their...Ch. 4 - Why is an endospore called a resting structure? Of...Ch. 4 - Compare and contrast the following a. simple...Ch. 4 - Prob. 7RCh. 4 - Starch is readily metabolized by many cells, but a...Ch. 4 - Match the characteristics of eukaryotic cells in...Ch. 4 - NAME IT What group of microbes is characterized by...
Ch. 4 - Which of the following is not a distinguishing...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which statement best describes what happens when a...Ch. 4 - Which of the following statements best describes...Ch. 4 - Which of the following is false about fimbriae? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - Which of the following pairs is mismatched? a....Ch. 4 - You have isolated a motile, gram-positive cell...Ch. 4 - The antibiotic amphothericin B disrupts plasma...Ch. 4 - How can prokaryotic cells be smaller than...Ch. 4 - The smallest eukaryotic cell is the motile alga...Ch. 4 - Two types of prokaryotic cells have been...Ch. 4 - In 1985, a 0.5-mm cell was discovered in...Ch. 4 - When E. coli cells are exposed to a hypertonic...Ch. 4 - Clostridium botulinum is a strict anaerobe; that...Ch. 4 - A South San Francisco child enjoyed bath time at...Ch. 4 - Live cultures of Bacillus thuringiensis (Dipel)...
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- Which of the following would be found inside a bacterial cel? inclusion Onucleiod Ofagela cytoplasm QUESTION 7 Which of the following would be found on the external surface of a bacterial cell? fimbriae chromosome slime layer Oribosome QUESTION 8 Which of the following structures aid in biofim formation? gycocalyx cell wall O fimbriae Oglycocalyx and fimbriae QUESTION 9 Which structure (s) would be produced by bacteria to prevent dessication? Select ALL that apply mycolic acids Oslime layer "capsule ribosomearrow_forwardFind and label the cell wall, cytoplasm, vacuole bounded by tonoplast, nucleus (if visible) of this turgid cell in the picture below. pls answer tysm!arrow_forwardFigure 4.7 Prokaryotic cells are much smaller than eukaryotic cells. What advantages might small cell size confer on a cell? What advantages might large cell size have?arrow_forward
- True or False Cell walls are present in the cells of archaea, bacteria, algae, fungi, and plants only. Photosynthetic unicellular prokaryotes such as Oscillatoria exhibit a green color when viewed under a microscope because of the presence of numerous chloroplasts. The nuclear membrane is a double-membrane structure that constitutes the outermost portion of the nucleus and is continuous with the Endoplasmic Reticulum.arrow_forwardWhich of the following is a feature of prokaryotic cells but not eukaryotic cells? DNA flagella pili cell wallarrow_forwardIn the diagram below, identify the structures of a cyanobacterial cell based on the following descriptions: a) Outer cellular covering which includes: Mucilaginous layer – outermost layer covering the cell wall; protects the cell from harmful factors of the environment Cell wall – found just below the mucilaginous layer; 2 or 3-layered, the inner layer lies in between the outer wall layer and plasma membrane; the outer layer is made of peptidoglycan Innermost plasma membrane – selectively permeable membrane enclosing the cytoplasm b) Cytoplasm – found below the plasma membrane; the protoplasm which contains structures of different shapes and functions. Lamellae, which contain pigments such as chlorophylls, carotenes, xanthophylls, phycoerythrin and phycocyanin, are located in the peripheral region of cytoplasm. Ribosomes may also be found scattered in the cytoplasm. c) Nucleic material – the nucleoplasm that is centrally located in the cell and contains chromatin in the form…arrow_forward
- Diatoms are protists that have complex glassy structures in their cell walls. These structures form within the Golgi apparatus. How do these structures reach the cell wall without having to pass through the plasma membrane? What is the evolutionary advantage of bacteria that have flagella vs. bacteria that do not?arrow_forwardIdentify the characteristics if it is prokaryotic or eukaryotic cells. 1. It contains organelles that are membrane bounded 2. No histones 3. It produce through binary fission 4. These are usually in the cytoplasm 5. They are usually microscopic and unicellular organism 6. They usually possess structures called pili 7. Cytoskeleton is absent 8. They are lack of nucleus 9. They secretes a layer of polysaccharide around the cell 10. Their genes are found in the nucleoidarrow_forwardWhich of the following organisms possess a cell wall? Cactus Gram-positive Bacteria Animals Elodea sparrow_forward
- Which of the following is true of the flagellum in eukaryotes? It is a long, thin extracellular (exterior) structure, with a basal motor embedded in the cell membrane/cell wall. It is identical to the archaeal flagellum (archaellum) in composition and structure, but very different in composition and structure from bacterial flagella. It is a long, thin structure containing bundles of microtubules and motor proteins, all within the plasma membrane. Eukaryotic cells do not possess flagella.arrow_forwardWhether the statement "Peroxisomes are found in only a few specialized types of eukaryotic cell" is true or false.arrow_forwardJoseph, a 29 years old man, went to a local health clinic with complaints of intermittent diarrhea for a few months and trouble sleeping. A stool specimen was collected and preserved in 10% formalin and PVA. An O&P examination was performed, along with a permanent trichrome stain. The stain revealed the organism shown below that measured 10 um in diameter, with a large, centrally located vacuole and small red nuclei within the peripheral ring of cytoplasm.arrow_forward
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