the rate of aerobic cellular respiration in aquatic organisms which are Elodea (aquatic plant)‚ Snail‚ and Goldfish‚ by measuring carbon dioxide production. Because ectothermic organisms (Elodea‚ snail‚ and goldfish) were placed in completely covered beaker‚ each organism would produce different amount of carbon dioxide. The objective of the experiment is to measure carbon dioxide production in three aquatic organisms‚ and to determine and compare the rate of cellular respiration in each organism.
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1. Explain how photosynthesis and respiration are linked in order to provide you with energy from the food you eat. To start off with we will need to define photosynthesis and respiration. Photosynthesis is a process in which carbon dioxide‚ water‚ and certain inorganic salts are converted into carbohydrates by green plants‚ algae and certain bacteria using energy from the sun and chlorophyll (dictionary.com). Respiration is all of the physical and chemical processes in an organism by which oxygen
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Earth’s surface)- IR (infrared)- micro –radio highest energy to lowest energy photosynthesis 2 sets of reactions photo- light (refers to 1st set of reactions) captures light energy solar energy is transformed into chemical energy (ATP) synthesis-making something new dark reactions light independent chemical energy (ATP) transform to another form chemical energy (C(6)H(12)O(6)) glucose Photosynthesis Equation reminder FAD and NAD Light Reactions 1st set of reactions light
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Measuring the rate of cellular respiration in yeast within different types of sugar Aim/Reasearch Question: How can the rate of cellular respiration be measured to find out if sucrose‚ dextrose‚ lactose‚ or maltose lets the yeast to respire more than others. Hypothesis: I think‚ dextrose yeast solution will respire the most number of bubbles because it is the simplest sugar to break. Materials: * Knut * Dropper * Graduated cylinder (100ml) * Warm water * Yeast Solution
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Bi 101 Lecture Exam Two Study Objectives: Chapters 5‚ 6‚ 7 All concepts and vocabulary are fair game in Chapters 5-7 Chapter Five: ………….. Membranes Evaluate the importance of membranes to the homeostasis of the cell‚ emphasizing their various functions Explain how the properties of the lipid bilayer govern many properties of the cell membrane (ie understand the chemical lipid bilayer structure—what does “hydrophobic” and “hydrophilic” mean?) Discuss the general types‚ functions‚ and
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temperature) * Adaptation (Evolution) * Respond to stimulus * Growth (Development) * Energy * Heterotroph: an organism that cannot synthesize its own food * Autotroph: an organism that can self-feed itself usually from photosynthesis * Sustainability Unit * Sustainability * Ability to meet present needs by not compromising the ability of future generations * Indicators * Observation that shows present state of conditions * Nitrogen / Phosphate‚
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generating additional ATP and the high-energy electron carrier NADH A molecule of chlorophyll increases in potential energy: when one of its electrons is boosted to a higher-energy excited state upon being struck by a photon of light During C4 photosynthesis: plants are able to continue producing sugars even when they must almost completely close their stomata to reduce water loss during hot days. Which of the following energy-generating processes is the only one that occurs in all living organisms:
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Botany Exercise 1 – Microscopy A. The Compound Microscope microscope – optical instrument consisting of a system of specially ground lenses that gives sharp‚ distinct‚ and highly magnified images of minute objects. compound microscope will be used. o two lenses: eyepiece + objective lenses o inverted image base coarse adjustment knob fine adjustment knob revolving nosepiece objective lenses stage stage clips stage opening condenser iris diaphragm mirror U-shaped platform that supports
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Homework Title: Photosynthesis and Respiration 1) Define these terms and arrange them from smallest to largest: Ch 5 WIO #3 • Thylakoid membrane Answer: Thylakoid membrane is a compartment in a plant cell that has light pigment that carry out the photosynthesis process. • Chloroplast Answer: Chloroplast is a type of organelle found in plants and algae that carry our photosynthesis. • Reaction center Answer: Reaction center is where chlorophyll a molecule and other
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Metabolic pathways: An overview of cellular respiration and fermentation Chapter 6 Cellular respiration‚ photosynthesis occur in eukaryotic organelles (mitochondria‚ chloroplasts) CELLULAR RESPIRATION GLUCOSE 1 2 GLYCOLYSIS 1 PYRUVATE OXIDATION2 KREBS CYCLE 3 2 ELECTRON TRANSPORT 4 CHAIN 2 NET ATP PRODUCED = 36 Nelson‚ 2003 Redox Reactions • Reduction-oxidation reactions – Transfer electrons from donor to acceptor atoms • Donor is oxidized as it releases electrons
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