Brownian movement - Study guides, Class notes & Summaries
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PSL 311L Final Exam Review Questions and Correct Answers
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Convulsions a sudden, violent, irregular movement of a limb or of the body, caused by involuntary contraction of muscles 
Hyponatremia - causes? Hyponatremia is a condition that occurs when the level of sodium in your blood is abnormally low. Sodium is an electrolyte, and it helps regulate the amount of water that's in and around your cells. 
Red Cell Crenation A process resulting from osmosis in which red blood cells, in a hypertonic solution, undergo shrinkage and acquire a notched or scallop...
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BOT3015 EXAM 3 Marking Scheme 2024 100% Correct
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BOT3015 EXAM 3 Marking Scheme 
2024 100% Correct 
Brownian movement - Answer- molecules /ions in constant random motion 
Diffusion - Answer- movement of molecules or ions from region of higher concentration 
to region of lower concentration 
Molecules that are moving from a region of higher concentration to a region of lower 
concentration are said to be moving ______________________________ - Answer- 
Along a diffusion gradient 
molecules moving from regions of low to high concentration are sai...
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SCSU BIO120 Lab - Exam I Questions And Answers
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*Negative Staining* Procedure - 1. Add a droplet of water 
2. Using an aseptic technique, place a loopful of the microorganism from the culture in the droplet and 
mix 
3. Place another slide at a 45° angle in a drop of nigrosin at the edge of the slide with mix 
4. Push or pull the slide over the the mix to form thin layer over. Leave to air dry 
Bacillus 
(Bacilli pl.) - *Rod* shaped bacteria 
Because of a snowstorm, your regular laboratory session was canceled and the Gram staining procedure...
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EXAM:Bio 1500 - Exam 1 (Mizzou-Bush); Questions and Answers 100% Correct
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EXAM:Bio 1500 - Exam 1 (Mizzou-Bush); Questions and 
Answers 100% Correct 
the passive movement of molecules CORRECT ANS-diffusion 
what type of thermal movements is diffusion driven by? CORRECT ANS-Brownian 
characteristics of individual molecules? CORRECT ANS--random, unpredictable motion 
-not directed to low concentration
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MCB 2000 Exam Questions With 100% Correct Answers
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MCB 2000 Exam Questions With 100% 
Correct Answers 
Brownian motion - answerthe movement of molecules powered by random fluctuations of 
environmental energy 
Brownian motion of what molecule initiates many biochemical interactions? - answerwater 
Is water polar or non polar? - answerpolar 
Polarity enables what type of. bonding between H2O molecules? - answerhydrogen bonding 
Polarity of water accounts for what? - answerthe cohesiveness of water and its ability to 
dissolve many biochemicals. 
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MCB 2000 Exam Questions With 100% Correct Answers
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MCB 2000 Exam Questions With 100% 
Correct Answers 
Brownian motion - answerthe movement of molecules powered by random fluctuations of 
environmental energy 
Brownian motion of what molecule initiates many biochemical interactions? - answerwater 
Is water polar or non polar? - answerpolar 
Polarity enables what type of. bonding between H2O molecules? - answerhydrogen bonding 
Polarity of water accounts for what? - answerthe cohesiveness of water and its ability to 
dissolve many biochemicals. 
...
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MCB 2610 Lab Practical (Questions & Answers) Rated 100%
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Gram positive bacteria do not retain CV when gram stained, so they appear pink after counter-staining 
with safranin. T/F - False. They do retain crystal violet and appear purple 
Complex media is made with precise chemical composition. T/F - False. Complex media has 
unknown composition 
______ is an opportunistic pathogen that causes staph infections. - Staphylococcus aureus 
A durham tube is included in the LT broth tubes to detect _________, a byproduct of lactose 
fermentation - gas product...
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MICROBIOLOGY LAB 5 2024 QUESTIONS WITH COMPLETE ANSWERS GRADED A+
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1.	When comparing a wet mount preparation to a commercially prepared slide, which of the following characteristics of Protozoa is best observed using a wet mount slide preparation?: mechanism of motility 
2.	What is the purpose of methylcellulose when preparing a wet mount of protozoa?: Methylcellulose increases the viscosity of the mount. 
3.	What structure is used for motility in Euglena?: flagellum 
-part of the motility-based group known as flagellates, which move by one or two flagella 
4.	...
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PSL 311L Study Guide- Questions and Correct Answers
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How does temperature influence diffusion?as temperature increases, the time of diffusion increases. heat increases the influence on Brownian motion of molecules and will make them move much faster. as they move faster, they distribute faster. 
How might the application of heat/ice to an injured body part relate to the above concept in the body?applying ice to a body part decreases the movement of fluid/solutes, therefore reducing the amount of swelling. heat, on the other hand, will increase the...
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PCAT Pearson Biology Section Exam 2023
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Cell Theory - ANSWER-Discovered in the 17th century 
1. All living things are composed of cells 
2. The cell is the basic unit of life 
3. The chemical reactions of life take place inside the cell 
4. Cells arise from only preexisting cells 
5. Cells carry genetic information in the form of DNA. This genetic material is passed from parent cell to daughter cell 
 
6 Kingdoms - ANSWER-Bacteria, Archaea, Protista, Fungi, Plantae, and Animalia 
 
Prokaryotic - ANSWER-"before nucleus", lacks a memb...
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