Bioluminescence - Study guides, Class notes & Summaries

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

EOSC 315 FINAL EXAM REAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) ALREADY PASSED Why do deep sea benthic fish exhibit gigantism compared to pelagic deep sea fish? a) To allow for more successful finding of a mate b) To combat the colder temperatures c) Allow for larger energy reserves. d) Due to the much larger amount of available food. e) To avoid predation - Answer- c) Allow for larger energy reserves. When a whale dies and falls to the bottom of the ocean, which of the f...

BIO219 Final Exam Questions With Complete Solutions Two marine organisms that take part in this symbiotic relationship 1. Euprymna scolopes (with A. fischeri) 2. Lophius piscatorius (angler fish - with another bioluminescent bacteria) Describe the Lux operon The Lux operon is a region of DNA that encodes for proteins necessary for bioluminescence. It is 8.5 kb in size arranged in the order LuxRICDABE.

EOSC 315 MODULE QUIZ WITH COMPLETE SOLUTIONS 100% VERIFIED What is the shallowest ocean zone where there is no visible light from the sun during the daytime? - Answer- Bathypelagic At what zone would you find NO zooplankton? - Answer- All zones listed will have zooplankton. Which of the following is NOT an adaptation for non-migratory fish in the mesopelagic? - Answer- Well developed muscles. Which of the following colors would be the best color for a fish to avoid predation in the ...

anabolism - the making or building of large molecules from smaller ones by using energy. A type of metabolism. analogous - structures that look similar because they have similar function. Do NOT share the same ancestor. anatomy and physiology - the structures and functions of plants and animals atom - the smallest unit of an element that has the chemical properties of the element. all matter is composed of this binomial nomenclature - a two part description that biologists use to refer to...

BIO 219 QUIZZES Questions With Complete Solutions Which gene in the lux operon encodes the auto-inducer, AHL Lux R b. Lux I c. Lux A d. Lux D b What is the overall purpose of the quarter-long project? I. To map the lux operon II. To isolate the lux operon from A. fischeri and transform E. coli with it the operon to induce bioluminescence III. To induce the upregulation of the gadA gene in E. coli through quorum sensing 2 and 3

Bio 219 Final Questions With Complete Solutions There are two purposes to our quarter-long project. What are they? a. The first aspect is to isolate the lux operon from Aliivibrio fischeri genomic DNA and transform E. coli to induce bioluminescence b. The second goal is to quantify gene expression changes in E. coli after transformation using the GadA system What bioluminescent bacterial organism did we use? Alivibirio fischeri

BIO219 Final Exam Questions With Complete Solutions Describe the Lux operon The Lux operon is a region of DNA that encodes for proteins necessary for bioluminescence. It is 8.5 kb in size arranged in the order LuxRICDABE. Lux operon components & their functions. LuxI- encodes for the auto-inducer synthase (N-acyl homoserine lactone / AHL) LuxR- encodes for the transcriptional activator that binds the auto inducer LuxCDE- fatty acid reductase complex components: LuxC- Acyl-reductase ...

Bio – 219 Questions With Complete Solutions How long is the lux operon 8.5 kb long A. fischeri Bacteria found throughout marine environments Auto-induced bioluminescence An operon that allows A. fischeri to glow under the right conditions Vector types Plasmids Phagemids Bacteriophage Vectors Cosmid Vectors Bacteria/Yeast artificial chromosomes Phagemids phage + plasmid -package ssDNA in presence of a helper phage

MLS Exam 4 Questions & Answers 2024/2025 absorbance spectrophotometry - ANSWERSthe concentration of an unknown sample is determined by measuring its absorption of light at a particular wavelength and comparing it with the absorption of light by known standard solutions measured at the same time and with the same wavelength. absorbed - ANSWERSall other wavelengths that are not seen by the eye Beer's Law - ANSWERSthe amount of light absorbed by a solution is directly proportional to th...