Question

The photograph on p. 35 on the left shows the four-celled alga Scenedesmus. This image has been enlarged by a factor of $400 .$ Are algae such as Scenedesmus at the macroscale, microscale, or nanoscale?

Name: Problem 49, Chapter 1: Chemistry: The Molecular Science
Uploaded: 2021-08-22T05:33:22-08:00
Duration: 1 min 59 s
Channel: Ronald Prasad
Description: The photograph on p. 35 on the left shows the four-celled alga Scenedesmus. This image has been enlarged by a factor of 400 . Are algae such as Scenedesmus at the macroscale, microscale, or nanoscale?

   The photograph on p. 35 on the left shows the four-celled alga Scenedesmus. This image has been enlarged by a factor of $400 .$ Are algae such as Scenedesmus at the macroscale, microscale, or nanoscale?

Chemistry: The Molecular Science

John W. Moore,… 4th Edition

Chapter 1, Problem 49

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Solved by Expert Ronald Prasad

08/22/2021

Step 1

The macroscale refers to objects that can be seen with the naked eye, the microscale refers to objects that can only be seen under a microscope, and the nanoscale refers to objects that are even smaller, typically at the atomic or molecular level. Show more…

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The photograph on p. 35 on the left shows the four-celled alga Scenedesmus. This image has been enlarged by a factor of $400 .$ Are algae such as Scenedesmus at the macroscale, microscale, or nanoscale?

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Key Concepts

Scale Classification

This concept involves categorizing objects based on their size. Macroscale objects are large enough to be seen with the naked eye, microscale objects require magnification to be observed, and nanoscale objects are on the order of nanometers, often needing specialized instruments like electron microscopes for visualization.

Microscopy and Magnification

Microscopy is the technique used to view objects that are too small for the naked eye. The use of magnification factors, such as a 400× increase, indicates that the original object is very small and belongs to the microscale, thereby requiring optical instruments to be examined in detail.

Size of Microorganisms

Many microorganisms, including certain algae, are typically small enough that their individual cells are measured in micrometers. This places them within the microscale, as opposed to larger, macroscale organisms or extremely small nanoscale particles.

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