Brownian movement - Study guides, Class notes & Summaries

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. ...

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. ...

characteristics of the net movement of all molecules? - -is predictable -directed from high to low concentration -stops when it reaches equilibrium what is the First Law of Thermodynamics? - energy can neither be created nor destroyed, but can change from one form to another the passive movement of molecules - diffusion what type of thermal movements is diffusion driven by? - Brownian characteristics of individual molecules? - -random, unpredictable motion -not directed to low concentrat...

True/False: Gram stains and spore stains are examples of simple stains. - FALSE What causes bacterial endospore formation? - Response to environmental conditions, i.e., lack of nutrients What are the 4 phases of microbial growth? - Lag, exponential/log, stationary, death True/False: we will measure the optical density over time to determine growth rate. - TRUE Define generation time. - Time for population to double What does it mean for a culture to be in stationary phase? - Rate ...

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...

Pertaining to the Gram Stain, cells that retain crystal violet & appear purple are said to be __________ - Gram positive Pertaining to the Gram Stain, cells that do not retain crystal violet & appear pink are said to be Gram ________ - Negative coliform are a subgroup of enteric bacteria classified by their ability to ferment which sugar? - lactose define generation time - the time required for the population to double in number growth only along the path of the inoculating needle indicat...

Egan's Ch. 6 Physical Principles of Respiratory Care Exam with Correct Solutions Matter - Answer -Anything that has mass and occupies space Potential Energy - Answer -Energy of position Kinetic Energy - Answer -Energy of motion Solids - Answer -The state of matter with a high degree of internal order; molecules oscillate about a fixed point Liquids - Answer -The state of matter that exhibits Brownian movement, takes the shape of its container and cannot be easily compressed Gas - Answ...

BOT3015 EXAM 3 Marking Scheme 2024 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 said to be movi...

Cell Biology CMB1004 Biophysics Exam Questions With 100% Verified Answers What amphipathic molecules? - answerMolecules that have both a polar and a non polar region In terms of water, what is a hydration shell of interaction? - answerWater molecules will surround the polar/charged molecules in a cage Why is water good at dissolving charged/polar molecules? - answerWater is dipolar, so it can hydrogen bond with itself and other molecules Why does water have an unusually high boiling point...

MCB 2610 Lab Question and answers already passed 2024/2025 MCB 2610 Lab: Week 5 What group of organisms does MacConkey agar select against? - correct answer Gram (+) T/F: complex media is made with a precise chemical composition - correct answer false What organism does SF broth select for? - correct answer E. faecalis What type of bacteria can be differentiated using an EnteroPluri tube? - correct answer enteric bacteria What is the name of the enzyme that hydrolyzes mil...