Scanning electron microscope can be used for () A. Observe images of different sections of cells B. Observe living cells C. Quantitative analysis of chemical composition in ce D. Observation of cell surface stereomorphology E. Observation of cellular activity

Q: In certain electron microscopy methods, the specimen is not directly imaged. How do these methods…

A: There are many objects that cannot be seen with naked eye. To see such objects an instrument like…

Q: Which type of microscopy allows us to clearly view the internal contents of cell structures smaller…

A: An instrument that creates an enlarged image of a small object, thus revealing details too small to…

Q: Penicillin and streptomycin are commonly used antibiotics for treating bacterial infections. What…

A: Streptomycin belongs to a class of drugs known as aminoglycoside antibiotics. Penicillins belongs to…

Q: An antifungal cream advertises to chemically attack the fungal cells without harming the skin. The…

A: Fungi contain chitin thus antifungal cells are most likely specific to chitin. So, the correct…

Q: (a) If you were to magnify a cell 10,000-fold (typical of the magnification achievedusing an…

A: A eukaryote, for example, a human being, has trillions of cells. The presence of many different…

Q: discuss the way that developments in microscopy havechanged our view of cell structure; and

A: Microscopy is to get a magnified image, in which structures may be resolved which could not be…

Q: Which of the named systems is isotropic? Select one: a. Endoplasmic reticulum membrane O b. Nuclear…

A: Biology is the study of living things. Cell biology is the study of cells. It is said to be…

Q: The cell wall is ________. a. interior to the cell membrane b. exterior to the cell membrane c. a…

A: Cells are the basic unit of life. They are the centre for conducting various metabolic processes…

Q: True or False _____ a. the cell membrane is a selectively permeable or semi-permeable structure.…

A: The cell membrane is semipermeable (or selectively permeable). It is made of a phospholipid bilayer,…

Q: Suppose your instructor sent you an image of human epithelial cells, and he indicated the…

A: Magnification - 1300x Cell measured 10 subdivisions on graticule. The divisions on scale is about…

Q: Which cell would be best for studying lysosomes? (A) muscle cell (B) nerve cell (C) bacterial cell…

A: Organelle can be defined as the subcellular structure that has one or more specific roles require to…

Q: After investigation of a specimen under light microscope and electron microscope, numerous amounts…

A: spores are found from many organisms such as : bacteria  fungi  plants  they help in reproduction…

Q: A. Consider a large, cubic cell that measures 100 micrometers on a side. What is its surface…

A: Cells are defined as the smallest building blocks of living thing where it helps in making up the…

Q: Label the image of a cell membrane. See chapter 5 'Biology in Focus.' А. D. В. E. С. F. Label the…

A: The plasma membrane, also known as the cell membrane, is a double layer of lipids and proteins that…

Q: The plasma membrane is said to be a fluid-mosaic model because it contains a. waxes suspended within…

A: Plasma membrane is the thin, delicate and elastic living boundary of a cell. To explain the…

Q: . How do you know what type of cell this is? C. Identify the structure the arrow. d. What does the…

A: Cell : It consists of cytoplasm which is bounded by a cell membrane . Cells are generally…

Q: In the micrograph below, you are seeing a collection of cells that have been stained with…

A: Cell is the building block of the body.

Q: The drug vincristine, which prevents polymerization of tubulin, is used as a chemotherapeutic agent…

A: Mechanism of actions of drug vincristine in cancer treatment.

Q: The presence of a nucleus organized within the membrane nuclear is characteristic of: A.…

A: The cell is the basic structural and functional unit of life. It carries out various functions in…

Q: Suppose your instructor sent you an image of human epithelial cells, and he indicated the…

A: Given: Magnification of cell = 1300 X The microscope of high power magnification = 100x The number…

Q: WHAT ARE THE CONCEPT AND IMPORTANCE OF THE FOLLOWING I. Translocation through the cell membrane  a.…

A: NOTE- Since you have asked for a question with multiple subparts, we are solving the very first…

Q: The 3 components that make a microscope useful in the realm of cell biology are contrast,…

A: A microscope is an instrument used in laboratory. It magnifies the objects that are small and not…

Q: Prokaryotic and eukaryotic cells possess which of the following? A) a cytoskeleton B) a nuclear…

A: Introduction: A real nucleus exists in eukaryotic cells, whereas a primitive nucleus exists in…

Q: Simulated data: Imagine you collect the following images at the above magnifications. Figure 3-2:…

A: Cheek cells: These cells are present in the mouth of the humans. These cells are made up of squamous…

Q: If one wanted to view the shape of a small membrane bound structure in a cell, the best choice would…

A: Microscopy is the technique by which the small organisms and specimens that cannot be visualised…

Q: The cytoskeleton of eukaryotic cells would be best visualized by a) scanning electron microscopy O…

A: Microscope is used to magnify the images that can't be seen by naked eyes.

Q: Which of the below statements correctly describes the extracellular matrix? a)A layer that…

A: Introduction :- The extracellular matrix (ECM) is a three-dimensional network of extracellular…

Q: Which of the following is/are too small to have been discovered before the invention of the electron…

A: Microorganisms, cells, big molecules, biopsy samples, metals, and crystals are among the biological…

Q: When you wish to study the internal organelles of cell, they most likely would use Select one: a. a…

A: Introduction  Cell is the basic unit of life which perform all kind of physiological and metabolic…

Q: 1. What is the view of the tissue section under a light microscope? * A. whole mount B. 2-D image C.…

A: Answer 1 B. 2-D image is correct answer A light microscope generally produce flat, 2-D image due to…

Q: Suppose your instructor sent you an image of human epithelial cells, and he indicated the…

A: The formula to calculate the actual size of the cell is given below. Actual size of the cell = Size…

Q: Name two cellular different characteristics/structures that you can use to differentiate prokaryotes…

A: Cells are the structural and functional unit of life. All living organisms from simple bacteria to…

Q: The surface-to-volume ratio____ . a. does not apply to prokaryotic cells b. constrains cell size c.…

A: Introduction :- The surface-area-to-volume ratio, also known as the surface-to-volume ratio and…

Q: What is assumed as the cell membrane function in connection with it as a mechanical structure Select…

A: The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that…

Q: What is assumed as the cell membrane function in connection with it as an electrically isolatir…

A: Explanation: Membrane potential (also transmembrane potential or membrane voltage) is the difference…

Q: Compare the cells in the two photomicrographs below in terms of their shape and structure(s). А B

A: *pictomicrographs shows the  photograph of objects under a microscope. * objects like metal and…

Q: if you visualize the cytoskeleton of a cell that is expanding in one direction, you typically…

A: In the cytoplasm of all cells, including bacteria and archaea, the cytoskeleton is a complex,…

Q: A detective called to the scene of a crime collected samples of tissue found nearby. How could he or…

A: Plant and animal cells are both living cells. But their basic structure differs and these are easily…

Q: Differentiate cell membrane from plasma membrane: a. cell membrane is more complex b. the plasma…

A: The cell membrane, also known as the plasma membrane, is found in all cells and serves as a barrier…

Q: Which cell would be best for studying lysosomes?(A) muscle cell(B) nerve cell(C) bacterial cell(D)…

A: Lysosomes are subcellular organelles. They possess a defined nucleus and are surrounded by a…

Q: Determine the following for positive staining. (a) dye, (b) charge of the chromophore/colored ion,…

A: A) basic dyes are used to paint the specimen and the background colour is bright  B) the coloured…

Q: Which of the following is/are true about the Cellular Membrane Structure: A. All membranes from…

A: The cell membrane, also known as the plasma membrane or cytoplasmic membrane, is a biological…

Q: Suppose your instructor sent you an image of human epithelial cells, and he indicated the…

A: Given: Magnification of cell = 1300 X The microscope used high power magnification = 100 X The…

Q: resen of a membrane-enclosed nucleus is a characteristic of a. prokaryotic cells b. eukaryotic cells…

A: The fundamental structural as well as defined to state that they are an operational unit of life is…

Q: human cheek cells

A:

Q: An image was captured using a microscope using a laser to excite fluorochromes that were bound to…

A: A microscope is a laboratory instrument used for magnification of the object to be examined. They…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.