Controls algae - Study guides, Class notes & Summaries

GCSE Biology (AQA) Verified Answers microscope an optical instrument used for viewing very small objects, such as mineral samples or animal or plant cells, typically magnified several hundred times. fine focus Knob that allows you to make fine focusing adjustments. (small knob) objective the lens at the bottom near the sample eyepiece A lens that magnifies the image formed by the objective. course focus used to make big changes in focus (large knob) magnification = size of the imag...

What are eukaryotic cells? - correct answer Cells that are more complex and have a nucleus (animal and plant cells) What are prokaryotic cells? - correct answer Cells that are smaller and simpler, and don't have a nucleus but still have genetic information (bacteria) What are eukaryotes? - correct answer Organisms made of eukaryotic cells What is a prokaryote? - correct answer A prokaryotic cell (it's a single celled organism) What is cytoplasm? - correct answer A liquid gel in whi...

MCAT STUDY GUIDE EXAM QUESTIONS WITH CORRECT ANSWERS. resolution - CORRECT ANSWER differentiate close objects magnification - CORRECT ANSWER increase size eyepiece magnification - CORRECT ANSWER 10x objective magnification - CORRECT ANSWER 4x,10x,20x, 100x Cell Theory - CORRECT ANSWER -all living things composed of cells -cell=basic functional unit of life -cells from other cells only -cells have DNA (parent-->daughter cells) total magnification - CORRECT ANSWER eyepiec...

True or false: The high-dry lens will be optimal for observing multicellular fungi or algae. - False True or false: The oil immersion objective is necessary to determine the morphology of prokaryotes. - True What was the largest organism you observed? The smallest? - Fungi/mold; bacteria What three shapes of bacteria did you observe? - cocci, spiral, bacilli How does increased magnification increase the field of vision? - When magnification increases, it decreases the field of vision Why...

Texas Wastewater Class A Exam Prep (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct Q: Before entering a confined space a worker should Answer: Use approved monitoring device and check for the presence of dangerous gasses, ventilate the space with a blower, wear a safety harness and attach a life line Q: A properly designed and operated primary sedimentation tank should remove _____ percent of incoming BOD Answer: 30-40% Q: Devices that may be...

Water Treatment Plant Operator Exam Questions With Answers Latest Updated 2024/2025 (Graded A+) What is used as a chemical coagulant? - Answer Alum The correct order of treatment in a surface water plant is... - Answer Coagulation, Flocculation, Sedimentation and Filtration In determining the proper dosage of alum, the most useful test is the____________ test. - Answer Jar If sludge is not continually removed from the sedimentation basin, its accumulation results in? - Answer Turbidity Th...

AFO (Aquatics Facilitator Operator) Glossary Exam Study Guide with Complete Solutions Latest Updated 2024/2025 Acid - Correct Answer A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH Algae - Correct Answer a simple nuisance plant life that colonizes in water under favorable conditions Alkalinity - Correct Answer A measure of the pH-buffering capacity of water Aluminum Sulfate - Correct Answer Alum; a flocculating agent f...

Acid - ANSWER A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH Algae - ANSWER a simple nuisance plant life that colonizes in water under favorable conditions Alkalinity - ANSWER A measure of the pH-buffering capacity of water Aluminum Sulfate - ANSWER Alum; a flocculating agent frequently used as a supplement in rapid sand filters only! Ammonia (NH3) - ANSWER A chemical compound of hydrogen and nitrogen that combines ...

Texas Wastewater Class B Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct | Grade A Q: Ways to reduce bad odors coming from a collection system Answer: routinely cleaning slow running or low flow lines, adding chlorine or hydrogen peroxide to the collection system Q: Types of pipe that are commonly used in wastewater collection system Answer: ductile iron, Poly Vinyl Chloride (PVC) Q: Before entering a confined space a worker should A...

AFO (Aquatics Facilitator Operator) Glossary Exam Questions And Answers Acid - ANS A commonly use chemical compound dosed into swimming pools that releases hydrogen ions in water thereby lowering pH Algae - ANS a simple nuisance plant life that colonizes in water under favorable conditions Alkalinity - ANS A measure of the pH-buffering capacity of water Aluminum Sulfate - ANS Alum; a flocculating agent frequently used as a supplement in rapid sand filters only! Ammonia (N...