What is a parfocal - Study guides, Class notes & Summaries
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Microbiology Lab Midterm (Lab Notebook Questions) with Complete Solutions
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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...
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LSUE MICRO LAB EXAM 1 Exam Questions With Complete Solutions.
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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 ...
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TAMU BIO 111 LAB PRACTICAL 1 (LABS 1-6) WITH VERIFIED SOLUTIONS ALREADY GRADED A+
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What is a theory? 
A unifying explanation that has withstood many attempts to falsify it through scientific investigation over a prolonged period of time 
 
 
 
What are the 4 unifying theories in biology? 
- The Cell Theory 
- The Gene Theory 
- The Theory of Heredity 
- The Theory of Evolution 
 
 
 
 
Explain cell theory 
All organisms are made of cells that store hereditary information in DNA 
 
 
 
Explain gene theory 
DNA sequences may be altered by mutation or by crossing over and segrega...
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Bio 250 lab quiz 1 Questions With Complete Solutions
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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...
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BIO 210 LAB EXAM 1 | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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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...
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Microbiology LAB Exam 100% VERIFIED SOLUTIONS 2023/2024
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Microbiology LAB 
Exam 100% VERIFIED 
SOLUTIONS 2023/2024 
Microscope- The Condenser - ANSWER focuses the light ging into the objective lens 
Microscope- The Iris Diaphragm - ANSWER adjusts the amount of light going into the 
objective lens 
Microscope- Nosepiece - ANSWER holds the objective lenses and rotates to change 
from one objective to another 
Microscope- Coarse Objective Knob - ANSWER moves the stage larger distances to 
help get the object in focus 
Microscope- Fine Adjustment Knob...
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UNT A&P 1 Exam 1 Questions And Answers
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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...
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A&P Lab Exam #1 Questions with Correct Answers
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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...
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LSUE MICRO LAB EXAM 1 Exam Questions With Complete Solutions.
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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...
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Clemson Microbiology 3050 Exam 1 with verified solutions.
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Microorganism 
Organisms and acellular entities too small to be seen clearly by an unaided eye; 
=<1mm in diameter 
often unicellular 
 
 
 
Cellular 
Fungi (yeasts + molds) 
protists (algae, protozoa, slime molds) 
bacteria (E. coli) 
Archaea (methanogens) 
 
 
 
 
Brainpower 
Read More 
Previous 
Play 
Next 
Rewind 10 seconds 
Move forward 10 seconds 
Unmute 
0:00 
/ 
0:15 
Full screen 
Acellular 
Viruses (protein + nucleic acids) 
Viroids (RNA) 
Satellites (Nucleic Acid + RNA) 
Prions (inf...
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