Which of the following cellular structures is not easily visible with the compound light microscope? nucleus DNA cytoplasm plasma membrane

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Answer 1

Textbook Question

Chapter 5, Problem 1PL

Which of the following cellular structures is not easily visible with the compound light microscope?

nucleus
DNA
cytoplasm
plasma membrane

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

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The following fluorescence microscopy shows several cells. What part of the cell is labelled by the fluorescence here? b The Cytosol The Endoplasmic Reticulum The nucleolus The nucleus The actin cytoskeleton

What type of microscope would be best for studying the detailed structure of the surface of a plasma membrane? light microscope scanning electron microscope transmission electron microscope both a light microscope and an electron microscope

Which of the following microscopes typically requires the use of vital dyes (like methylene blue) to visualize large subcellular structures in a living cell (like the nucleolus or the mitochondrion)? the scanning/tunneling electron microscope (STEM), with good resolution up to about 100,000,000x the transmission electron microscope (TEM), with good resolution up to about 100,000x the scanning electron microscope (SEM), with good resolution up to about 1,000,000x the compound light microscope, with good resolution up to about 1,500x all of the above microscopes would be equally useful in visualizing the interior of organelles

Answer 2

Textbook Question

Chapter 5, Problem 1PL

Which of the following cellular structures is not easily visible with the compound light microscope?

nucleus
DNA
cytoplasm
plasma membrane

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

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Answer 3

Textbook Question

Chapter 5, Problem 1PL

Which of the following cellular structures is not easily visible with the compound light microscope?

nucleus
DNA
cytoplasm
plasma membrane

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

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Answer 4

Textbook Question

Chapter 5, Problem 1PL

Which of the following cellular structures is not easily visible with the compound light microscope?

nucleus
DNA
cytoplasm
plasma membrane

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The biological microscope uses light to observe the cellular structures that are not visible by the naked eyes. It consists of two lenses: the eyepiece and the objective lens to form the image. The microscope uses visible light for the illumination of the object, and then the image is magnified by the lenses. The resolving power is 0.2µm and 1500x is the highest magnification of the light microscope.

Answer 12

Answer to Problem 1PL

Correct answer:

The correct answer is option (b) DNA.

Answer 13

Explanation of Solution

Explanation/justification for the correct answer:

Option (b) DNA. An electron microscope is used to observe the DNA molecule, which has a resolution of 0.2 nm, which makes it easier to observe the smaller units. In contrast, the typical light microscope is limited to the resolution of only 0.2 µm. Hence, it is not easy to observe the DNA molecule. So, the correct answer is option (b).

Explanation for incorrect answer:

Option (a) nucleus. The nucleus is the controller of the cell and is the darkly stained body that can be easily visible under a light microscope. So, this is an incorrect option.

Option (c) cytoplasm. The cytoplasm is observed under the light microscope, which is the part of the cell consisting of all the cell organelles. The cytoplasm can be easily identified in a stained cell. So, this is an incorrect option.

Option (d) plasma membrane. The plasma membrane is the covering of the cell that encloses all the living components of the cell. The membrane can be visualized by staining the cell. So, this is an incorrect option.

Answer 14

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Which of the following cellular structures is not easily visible with the compound light microscope? nucleus DNA cytoplasm plasma membrane

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Answer to Problem 1PL

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