Light microscopy - Samenvattingen, Aantekeningen en Examens

BIO 353 Study Guide Exam 1 Questions And Answers 2024/2025 Tests The cell ANS The basic unit of structure and function in living things What are the major Organelles/ structures of a basic eukaryotic cell? ANS nucleus nucleolus ribosomes smooth ER rough ER mitochondria What are the 3 major disciplines involved with studying biology? ANS bioimaging biochemistry mol. biology/genetics What is light microscopy? ANS visible light passes through a series of lenses to produce a mag...

MIP 616 Exam 1 Questions and Answers All Correct which detergent is used to disrupt protein structure for electrophoretic analysis on polyacrylamide gels - Answer-SDS what is the best technique to localize catalase in peroxisomes - Answer-A catalase monoclonal antibody and transmission electron microscopy the purpose of treating tissue from an embryonic chick with trypsin and EDTA when generating a primary cell culture is to - Answer-digest protein-protein interactions that hold cells to...

BIO 353 Exam 1 Study Guide Questions And Answers With Verified Solutions The Cell ANS Basic unit of life What are the major organelles/structures of a basic eukaryotic animal cell? ANS Nucleolus, nucleus, nuclear envelope, nuclear pore, chromatin (DNA), mitochondria, endoplasmic reticulum, golgi complex, actin filaments, microtubule, peroxisome, ribosomes in cytosol, intermediate filaments, lysosome, vesicles, centrosome w/ pair of centrioles, plasma membrane, extracellular matrix What ...

Light microscopy CORRECT ANSWER Limited ability to visualize bacterial components or distinguish between bacteria without doing something extra Electron microscopy CORRECT ANSWER Can view exterior and internal structures, smallest specimens Phase-contrast microscopy CORRECT ANSWER Refracts the light that goes through the specimen; can see detail, live cells Fluorescence microscopy CORRECT ANSWER Use of fluorochromes that emit light of specific wavelengths when excited by light of a diff...

Light microscopy CORRECT ANSWER - Uses visible light to examine microscopic-sized objects that cannot be seen by the naked eye. - Allows finer detail than the naked eye. Electron microscopy CORRECT ANSWER - Visualize objects much smaller than those resolved optically. - Use accelerated electrons instead of light photons. - Samples are fixed with chemicals to cross-link molecules to preserve their structure. Fluorescent stains CORRECT ANSWER - Used with light microscopy. - Fluorescence ...

Resolution Correct Answer-small dist b/t 2 pts can be distinguished; D = .61λ/Nsinα, want lower D; Light microscope 200nM Bright field microscopy Correct Answer-normal light type Phase-contrast Correct Answer-altered phase interference of unobstructed light; looks like cells are surrounded by light DIC Correct Answer-3D looking cells Confocal Correct Answer-3D imaging with fluorescence, progessively capture full surface in focus by removing out of focus; normal point-scanning vs....

Which term is used to refer to a wave's rate of vibration? Ans- B. frequency On the figure, which letter represents a refracted ray of light? Ans- C (BUT D on test) On the electromagnetic spectrum, which type of wave has the shortest wavelength? Ans- A. cosmic ray Dyes are often used during microscopy to increase which of the following? Ans- A. contrast Which of the following was the first to use the term "cells"? Ans- A. Robert Hooke Which of the following is the typical magnific...

ASHARA; year Correct Answer-Asbestos School Hazard Abatement Reauthorization Act; 1990 PCM Correct Answer-Phase Contract Microscopy PLM Correct Answer-Polarized Light Microscopy RACM Correct Answer-Regulated Asbestos Containing Material TSI Correct Answer-Thermal System Insultation GAC Correct Answer-General Abatement Contractor If asbestos content of friable is 1% or less, but greater than 0, determination shall be re

BHCS1006 2023 Exam Questions with Complete Solutions What are the 3 domains of life? - ANSWER Bacteria, Archaea - Prokaryotes Bacteria with peptidoglycan, Archaea without. Eukarya - Eukaryotes 4 types of cellular living microorganisms - ANSWER Parasites, Protozoa, Fungi, Prokaryotes 2 types of non-living acellular microorganisms - ANSWER Virus, Prions Bacteria definition - ANSWER unicellular cells that reproduce quickly and compete with host cells...

Chapter 1: microbial cell structure and function CORRECT ANSWER Microscopy: compound microscope CORRECT ANSWER •Compound microscope -- Two sets of lenses form the image (Figure 1.15a) •Objective lens and ocular lens Microscopy: magnification CORRECT ANSWER •Total magnification = objective magnification ocular magnification • •Magnification: the ability to make an object larger Microscopy: resolution CORRECT ANSWER •Resolution: the ability to distinguish two adjacent obj...