Brownian motion - Study guides, Class notes & Summaries

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...

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...

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...

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 ...

Absolute Temperature A temperature value relative to absolute zero. Absolute Zero The lowest possible temperature of a system, where no heat remains and the particles in the system have no kinetic energy. Avogadro Constant The number of particles that make up one mole of any gas. Boltzmann Constant A constant relating the average kinetic energy of the particles in a gas, to the gas’ temperature. Boyle’s Law The pressure of an ideal gas is inversely proportional to its volume when ...

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...

CPCS 1010 Exam 2 Questions and Answers 100% Correct CPCS 1010 Exam 2 Questions and Answers 100% Correct CPCS 1010 Exam 2 Questions and Answers 100% Correct CPCS 1010 Exam 2 Questions and Answers 100% Correct kinetic energy - ANSWER-the constant state of motion that is responsible for the state of matter or an object. the greater the kinetic energy, the greater chance the substance will exist as a liquid or a gas. Absolute Zero - ANSWER-The temperature at which all kinetic energy cease...

PCOL 355 Final Review Questions with Answers All C What type of bond is broken with physical instability? A. non-covalent bonds B. covalent bonds C. ionic bonds - Answer-A. non-covalent bonds This is a true/false question. The ANDA is filed with the FDA after completion of clinical trials phases 1-3 for a generic drug product. A.True B.False - Answer-A. True Which sugar is used in special circumstances instead of sucrose in pharmaceutical syrups? A. sorbitol B. glycerin C. propylene...

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...