Cônsider the föllowing image: Rough- endoplasmic reticulum Nucleolus- Mitochondrion- Nucleus 3 μη a. Determine the type of microscopy technique used to obtain this image. b. Is this image from a prokaryote or a eukaryote organism? c. Is this image from a bacteria, an archaea, an animal or a plant? d. Based on your observations of the content of the cell, determine the cellular process and function this cell is specialized into. Justify your answer

Cônsider the föllowing image: Rough- endoplasmic reticulum Nucleolus- Mitochondrion- Nucleus 3 μη a. Determine the type of microscopy technique used to obtain this image. b. Is this image from a prokaryote or a eukaryote organism? c. Is this image from a bacteria, an archaea, an animal or a plant? d. Based on your observations of the content of the cell, determine the cellular process and function this cell is specialized into. Justify your answer

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter4: Cell Structure

Section: Chapter Questions

Problem 1VCQ: Figure 4.7 Prokaryotic cells are much smaller than eukaryotic cells. What advantages might small...

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Describe the following as seen under the compound microscope. Endoplasmic reticulum Ribosome Centrosome
Which electron or light microscopy technique would you use for the following? (also explain) For visualizing the fine structure of cellular organelles and cell architecture in the cell interior using very thin cross-sections made in Epon. To obtain sequential images of a macromolecule in order to study its activity in real-time. To obtain an extremely clear three-dimensional image of the nucleus of a single cell. What is the magnification of the image in a microscope using a 20x ocular and a 100x objective?
Which of the following is a feature common to all three components of the cytoskeleton? a. They all serve to scaffold the organelles within the cell. b. They are all characterized by roughly the same diameter. c. They are all polymers of protein subunits. d. They all help the cell resist compression and tension.
if you visualize the cytoskeleton of a cell that is expanding in one direction, you typically observed a strong orientation of the cytoskeleton. Please answer the following three questions. a. Would the cytoskeleton be oriented parallel or perpendicular to the direction of cell expansion? b. Would the cellulose fibers in the cell wall be parallel or perpendicular to the cytoskeleton? c. Explain why cytoskeleton, cellulose fibers, and direction of cell expansion have the relationship mentioned in a and b?
A) The size of a cell seen under a microscope is 3mm Using a total magnification of 40x. What is the actual cell size and decide if the cell is prokaryote or eukaryote based on its size?
Which of the following is a correct match between a cytoskeletal element and its function? Select one: A. microtubules and chromosome movement B. microfilaments and flagellar motility C. microtubules and cleavage furrow formation D. intermediate filaments and cytoplasmic streaming E. microfilaments and intracellular vesicle transport
Identify the cytoskeletal element being described in each statement below. Note, possible answers include: Microtubules only Microfilaments only Intermediate filaments only Microtubules AND microfilaments All 3
Put the following structures in order according to the pathway of a secreted protein: a. plasma membrane c. endoplasmic reticulum b. Golgi bodies d. post-Golgi vesicles
Measure the length of Cell X using the ruler in Microsoft Word. Assuming the actual length to be 3 um, calculate the magnification. Show your complete solution. Based on Figure 1, what internal organization can be distinguished in cell X? Why? Based in Figure 1, can you see a limiting membrane? Can you deduce its presence? Why or why not? Figure 2 is an electron micrograph of the same type of bacterium as shown in Figure 1. The picture has been obtained by cutting a very thin section of the bacterial cell along its longitudinal axis. Measure the total length of the cell, and assuming the actual length to be 2.1 um, calculate the magnification. With reference with Figure 2, what are the major differences between the inclusions found in Figure 1 and the way they appear in Figure 2? What other structural features can be resolved?
Match the following structures with their definitions: (1) Golgi apparatus (2) mitochondria (3) peroxisomes (4) cilia (5) endoplasmic reticulum (6) cytoskeleton (7) vesicles (8) ribosomesA. sacs that contain enzymes that catalyze a variety of specific biochemical reactions B. structures on which protein synthesis occurs C. structures that house the reactions that release energy from nutrients D. a network of microfilaments and microtubules that supports and shapes a cell E. a structure that adds sugars to certain proteins and processes them for secretion F. membrane-bounded sacs G. a network of membranous channels and sacs where lipids and proteins are synthesized H. hairlike structures that extend from certain cell surfaces and wave abou
This organelle is structured such that it possessess four to six stacked, flattened membranous cisterns referred to as cis, medial and trans. a.endoplasmic reticulum b.golgi complex c.mitochondia d.peoxisomes e.none of these
Which of the following best describes the pH of the lysosomal interior? a.) The interior of a lysosome generally has a pH similar to cytoplasm b.) The interior of a lysosome generally has a pH higher than cytoplasm c.) The interior of a lysosome generally has a pH lower than cytoplasm