Magnification - Study guides, Class notes & Summaries

Portage Learning microbiology module 3 Exam 2024 A nanometer is defined as: -Answer-10-9 A nanometer is defined as one-billionth of a meter True or False: A nanometeris longer than a micrometer -Answer-False. A nanometer is 1,000 times smaller than a micrometer. Resolution and contrast are two critical factors that influence your ability to see an object. Explain each. -Answer-Resolution refers to the distance between two objects at which the objects still can be seen as separate. Poor o...

How large does the Moon appear in the sky? - half a degree How large is the Big Dipper - more than 20 degrees The 2 Stars Alcor and Mizar are easily seperated by the human eye. This means they must be father apart than.. - one arc minute What is seeing? - The diameter of the blur caused by the atmosphere Which of the following limits the magnification of all but the smallest telescopes? - seeing What is an 8 x 50 pair of binoculars? - Magnification = 8 x, diameter = 50 mm How small is the...

Portage Microbiology Exam #3 Questions With 100% Correct Answers What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece? (short answer) - answer60 x 10 = 600x magnification True or False: A cell that is adherent, flat, and unstained is easily identified using bright field microscopy - answerFalse. Adherent, flat cells are almost invisible due to the limits on both resolution and contrast Which of the following could be seen clearly by the unaided eye? (...

What is the magnification of an ocular lens on a microscope? - 10X What part of the microscope is the slide going to be placed on? - Stage All humans have how many pairs of chromosomes? - 23 What holds the genetic code for each person? - DNA What is DNA made of? - nucleotides The plasma membrane is made of how many phospholipid layers? - 2 (Bilayer) How is oxygen transported through blood or body? - circulatory system The mRNA strand is what to DNA strand? - Identical except U is where T ...

Cosmetology Chapter 18 Facials All of the following are reasons for cosmetologists to study facials, EXCEPT? A. It enables cosmetologists to improve the cell health, condition, and appearance of the client's skin B. It enables cosmetologists to recommend skin care products that will help clients achieve their desired results. C. It allows cosmetologists to offer services that help clients relax and feel better about themselves. D. It allows cosmetologists to prescribe medicated products...

Microbiology for the Healthcare Professional 2nd Edition VanMeter Test Bank UPDATED & VERIFIED VERSION 2023 CHAPTER{01-25} Chapter 01: Scope of Microbiology VanMeter: Microbiology for the Healthcare Professional, 2nd Edition MULTIPLE CHOICE 1. In the sixteenth century a father-and-son team, by the name of , produced a compound microscope consisting of a simple tube with lenses at each end. a. van Leeuwenhoek b. Semmelweis c. Janssen d. Hooke ANS: C REF: p. 3 2. “Animalc...

Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100%Biology 123 lab exam 1 questions and answers correct and verified 100% total magnification= ocular magnification + objective magnification - correct answers-what is the formula for total magnification? ocular and objective - correct answers-what are the two types of lens on a microsc...

What determines the effectiveness of a skin peel: - ️️PH lower than the skin What is the risk of overusing a phenolic disinfectant: - ️️skin damage What is the disciplinary action the board can take against someone who practices beauty culture without a license: - ️️Class C in fraction, up to 60 days in jail, fines up to $500 The tiny granules of pigment found in the cortex of the follicle is called: - ️️Melanin Ascorbic acid, a common ingredient in cosmetics, is also...

What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece? (short answer) - Answer 60 x 10 = 600x magnification True or False: A cell that is adherent, flat, and unstained is easily identified using bright field microscopy - Answer False. Adherent, flat cells are almost invisible due to the limits on both resolution and contrast Which of the following could be seen clearly by the unaided eye? (multiple choice) - Answer Protozoa with diameter of 150um ...

How do you calculate total magnification? - correct answer Objective Magnification x Ocular Magnification = Total Magnification How do you calculate resolving power? - correct answer RP = (0.5 x Wavelength)/Numerical Aperture What is resolving power? - correct answer A microscope's ability to distinguish between two objects that are very close together What is the best resolving power for viewing microbes? - correct answer 0.2 um What is numerical aperture? - correct answer A lens'...