Elodea - Study guides, Class notes & Summaries

Materials: Red onion Elodea Micro forceps Glass slides Cover slips KimWipes Droppers Tally counters Compound microscopes with 4X and 10X objectives Distilled water 15% NaCl and 1M NaCl solutions Gloves Methods: Part I. Red Onion Cells Red onion cells contain a flavonoid pigment called anthocyanin, which gives the onion its purplish color. The same pigment gives petunias their deep purple color. This pigment allows us to visualize what happens to the water content in a cell when ...

bio lab exam #2 LAB 3 cell theory, cell structure, and function (ch 3 in txtbk) Study online at 1. cell micrographs on blackboard: review em 2. review lab 1 for proper use and care of: the microscope 3. things you need to do to your microscope to prepare it for storage that the end of lab: -clean all of the lenses with lens paper only -clean the stage with tissue wipes -turn the light to the lowest setting then switch it off -unplug the cord from outlet. wears cord on back of arm, if not...

Alligator weed (Alternanthera philoxeroides) Correct Answer Scientific name: Alternanthera philoxeroides (Mart.) Griseb. (ITIS) Synonym: Achyranthes philoxeroides (ITIS) Common names: Alligatorweed, alligator weed, pig weed Native To: South America (Spencer and Coulson 1976) Date of U.S. Introduction: First reported in Alabama in 1897 (Masterson 2007) Means of Introduction: Probablyintroduced through ballast water (Masterson 2007) Impact: Forms dense mats that crowd out native species a...

What is a cell? - The smallest unit of life What are the 5 characteristics of life a cell can perform? - Organization Can acquire materials/energy Responds to stimuli Reproduces and develops Adapts, has adaptations Who were the "cell" pioneers? what did they do? - Scottish botanist Robert Brown - described the nucleus of cells (1831) Matthias Jakob Schleiden - All plants are composed of cells (Elodea) (1838) Theodor Schwann - All animals are composed of cells (1839) Rudolf Virchow - ...

BIO101 Photosynthesis Exam Questions and Answers Life gains most of its energy from: - Answer-Sunlight A plant with leaves that are reddish yellow is NOT absorbing light from which wavelengths of the visible light spectrum? - Answer-Red and Yellow Which of the following does NOT occur as a direct result of a photon hitting a chlorophyll molecule? a) production of NADPH and H+ b) excitation of an electron c) fluorescence d) a release of heat e) backward reflection of the photon - Ans...

Honors Biology Cancer Exam Study Guide with Complete Solutions Mitosis - Answer️️ -The process by which cells divide, creating two identical daughter cells. Prophase - Answer️️ -The first phase of mitosis in which chromosomes condense and become visible. Anaphase - Answer️️ -The third stage of mitosis in which chromosome pairs are split up equally and pulled to separate sides of the cell. Telophase - Answer️️ -The fourth (and last) stage of mitosis in which chromosomes b...

Gizmos Student Exploration: Cell Types Answers Key 2023. Gizmo Warm-up In the Cell Types Gizmo, you will use a light microscope to compare and contrast different samples. On the LANDSCAPE tab, click on the Elodea leaf. (Turn on Show all samples if you can’t find it.) Switch to the MICROSCOPE tab to observe the sample as it would appear under the microscope. By default, this microscope is using 40x magnification. Student Exploration: Cell Types Vocabulary: ATP, bacteria, carbon dioxide (...

Iowa Commercial Pesticide Applicators: Aquatic Pest Control (Category 5) with accurate and explained test. C1: Describe the value of plants in aquatic ecosystems - correct answers.They are primary producers in the aquatic food chain, produce oxygen, provide shelter & sites for spawning, can dampen the force of waves, use nutrients & improve water clarity, stabilize the bottom material C1:Identify specific problems caused by aquatic weeds - correct answers.1)Restriction of recre...

What is the predicted weight, in grams, of 100 microliter of de-ionized water? - answer-0.1000g what numbers should be written to withdraw a 15ul solution on a P20 micropipette - answer-1-5-0 before turning on the microscope, set the microscope lamp intensity to its lowest setting, plus in the microscope, and make sure the _____ objective is in place. Use the condenser adjustment knobs to _______ the condenser, then lower the stage to its lowest point - answer-4x; fully raise Use the le...

Biology: Science for Life with Physiology, 5e (Belk) Chapter 3 Is It Possible to Supplement Your Way to Better Performance and Health? Nutrients and Membrane Transport 1) What are nutrients that the human body requires in large quantities? A) micronutrients B) macronutrients C) vitamins D) minerals Answer: B Section: 3.1 Skill: Knowledge/Comprehension (Remember/Understand) Learning Outcome: 3.1 2) Which of the following is a micronutrient? A) water B) carbohydrate C) pr...