What is a parfocal - Study guides, Class notes & Summaries

Independent Variable Variable that the experimenter changes in an experiment Dependent Variable Variable that is being measured in an experiment Brainpower Read More Null Hypothesis The hypothesis that there is no significant difference between specified populations, any observed difference being due to sampling or experimental error Alternate Hypothesis The hypothesis accepted to be true if the null hypothesis is rejected based on statistical evidence. Hypoth...

Microbiology Lab Midterm (Lab Notebook Questions) with Complete Solutions What is located in the headpiece that bends light rays toward the ocular lenses? - Answer-prism Name the only type of paper and three fluids that may be used to clean objective and ocular lenses? -Answer--lens paper -acetone -xylene -ethyl alcohol What is the most important aspect in caring for the microscope? -Answer-keeping it clean and using it properly Which way does the stage move when you rotate the coarse...

The limit of resolution of the unaided human eye is ______. - 0.2 mm For the typical light microscope, the limit of resolution is ______. - 0.2 micrometers When carrying a microscope, one hand should be under the _____ of the microscope to support its weight, and one hand should be on the _____ for balance. - base arm As the power of the objective lens increases, the working distance ______. - decreases Condenser adjustments increase _______ without affecting the bulb life. - illumination ...

HTL Histotechnology Exam 1The overall magnification of a microscope is achieved by what two values? - correct answers objective lens x eyepiece lens What is the magnification of scanning or low power? - correct answers 2.5x to 4.0x What is the magnification of intermediate power? - correct answers 10x to 20x What is the magnification of high power? - correct answers 40x What is the magnification of high dry? - correct answers 100x What is the magnification of oil immersion? - corr...

1 BIO 210 LAB EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ ____________are substances (solid, liquid, or gas) dissolved by solvents in a solution (lesser amount). Correct Answer: solutes ________are the substances that dissolve solutes (greater amount). Correct Answer: solvents ___________contain a solvent and the solute. Correct Answer: solutions. Example: Salt dissolved in water. Which is the solute and which is the solvent? Correct Answer: salt is solute...

Which discovery coincided with the invention microscopes? - ANSWER-cells What does the term compound mean? - ANSWER-2 sets of lenses compound What is used to improve contrast when viewing clear portions of cells? - ANSWER-stains/dyes What is the name for the lenses located near the eye? - ANSWER-Ocular lens/ eye peice Which term describes the minimum distance between two objects required to distinguish them as two separate objects?" - ANSWER-resolution objects?" If the total mag...

Parasagittal - ANS A plane of section that runs parallel to the long axis of the body and divides it into unequal right and left halves is called a ___________ section. Cranial Cavity - ANS What is the body cavity in which the brain is located (by itself)? Pleural - ANS What is the body cavity in which a single lung is located? Parietal Pleura - ANS What is the name of the membrane lining the walls of the pleural cavity? Distal - ANS The e...

Bio safety levels (BSL) measure what? correct answer: an organisms controllability, infectivity, virulence, pathogenicity, antibiotic resistance, vaccine, treatment, mortality. BSL 1 correct answer: does not normally cause disease in people BSL 2 correct answer: Associated with disease BSL 3 correct answer: indigenous/exotic agents that may have serious or lethal consequences and with potential for aerosol transmission BSL 4 correct answer: dangerous/exotic agents of a life-thre...

Bio 250 Lab Quiz 1 Latest Updated 2024 With 100% Correct Questions And Answers Containment - ANSWER-safe methods and procedures to handle micro organisms Aseptic technique prevents contamination of - ANSWER-You Others Experiment Work Area External Enviroment Ubiquitous - ANSWER-found everywhere Pathogen - ANSWER-micro organisms that cause disease Opportunistic pathogen - ANSWER-cause disease in right circumstances Inoculation - ANSWER-implantation of micro organisms on or...

LSUE MICRO LAB EXAM 1 Exam Questions With Complete Solutions. The limit of resolution of the unaided human eye is ______. 0.2 mm For the typical light microscope, the limit of resolution is ______. 0.2 micrometers When carrying a microscope, one hand should be under the _____ of the microscope to support its weight, and one hand should be on the _____ for balance. base arm As the power of the objective lens increases, the working distance ______. decreases Condenser adjustments inc...