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Biology Lab Report

What factors affect heart rate?
Since, students possess diverse breathing capacities in each set, besides varied body metabolisms that occurred internally during the research.The depiction of correlation graphically is in separate Excel spreadsheet attached besides the graphs earlier drawn, which illustrates all aspects of the data plus the relationship they have. The correlation encompasses standard deviation, mean, median and skewness for a class of 48 students whose heart rate distribution is in one single plotting.Table 1
Pages: 5 (1250 words), Lab Report
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Creative individual lab report
One step of the Krebs cycle is the conversion of succinate to fumarate which takes place in mitochondria in the cytoplasm (Zaunmuller, Kelly, Glockner and Unden, 2006). This reaction is catalyzed by the enzyme succinic dehydrogenase using FAD as co-enzyme. In this reaction, 2 hydrogen atoms are removed from succinate and transfer to FAD thereby reducing it to FADH2.DPIP (2, 6-dichloro-phenol-indophenol) blue dye can act as a hydrogen molecule acceptor instead of FAD during this reaction. When
Pages: 7 (1750 words), Lab Report
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Effects of Green and Blue Light on the Rate of Photosynthesis
After this the infiltration solution was added into the syringe up to the 6 ml mark, and the plunger inserted and depressed to remove air. We then covered the tip of the syringe with thumbs and drew the plunger back to create a vacuum for five seconds. The thumb was removed, and the plunger depressed severally until the leaf disks sank. This procedure was repeated to produce four sets of leaf disks for the four replicas of the experiment, hence bringing the sample size to 80.In conducting the
Pages: 5 (1250 words), Lab Report
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Bio Lab 1
The quantity of fishes will be same as in all other cases. The fish tank will be placed in the lab where temperature will be 25 degrees Celsius. Temperature will be kept constant using an air conditioner. The fishes will be given same amount and kind of food as fishes in other tanks. However, the concentration of Oxygen dissolved in water will be 0 mg/L. To remove all of the Oxygen from water it can be heated in a sauce pan while recording the temperature using a Candy thermometer. When
Pages: 8 (2000 words), Lab Report
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DNA repair mechanisms role in survival to nucleoside analogues treatment in S. pombe .
Practical’s main objective is trying to understand the possible mechanisms that come into place to repair the DNA damage induced by nucleoside analogues. Some cancer drugs come in the form of DNA molecules that resemble the physiological nucleosides. The incorporation of these nucleosides into physiological nucleic acids interferes with the replication process of cancer cells (Hoeijimakers, 2001). In most cases, they function as inhibitors of the ribo-nucleotide reductase enzyme. However,
Pages: 4 (1000 words), Lab Report
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Yeast culture lab report
Proliferation of the yeast cells is directly proportional to the favorable condition for growth. Yeast therefore display two modes of reproduction the haploid stage of reproduction where the cell divides by means of budding and the diploid stage of reproduction where the cells form spores. However, in diploid condition the yeast cells are able to withstand the condition of low nutrient availability and the condition of starvation. Thus sporulation is the condition of sexual reproduction where
Pages: 4 (1000 words), Lab Report
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Labs 6 & 7
Coli since it is a fact that these organism have some form of movement effected by amoeboid movement.Radish seeds grown in water acted as a control in this experiment since water have a near neutral pH of 7. However baking soda was the alkaline solution whereas vinegar served as the acidic solution. It was observed that seeds grown in baking soda solution demonstrated slow growth as compared to those grown in vinegar, a slightly acidic solution. This demonstrates that radish seeds may tolerate
Pages: 7 (1750 words), Lab Report
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Yeast culture lab report
Proliferation of the yeast cells is directly proportional to the favorable condition for growth. Yeast therefore display two modes of reproduction the haploid stage of reproduction where the cell divides by means of budding and the diploid stage of reproduction where the cells form spores. However, in diploid condition the yeast cells are able to withstand the condition of low nutrient availability and the condition of starvation. Thus sporulation is the condition of sexual reproduction where
Pages: 4 (1000 words), Lab Report
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Formal Lab Report
Of the agricultural scientists’ who are out to obtain attention in implementing and, innovating the improvised boosting yield methods (Heinonen 2). This becomes accomplished through the use of appropriate nutrition, high variety of yield, and measures of plant protection (Darley 2). It is also is responsible for the improvement of the practices of agronomics, creating source-sink relationships, and maintaining internal balance of hormones. This implies that the verge of getting to the
Pages: 4 (1000 words), Lab Report
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The heart rate of Daphnia magna
Key among them includes caffeine, alcohol, acetylcholine, epinephrine and temperature. Alcohol, which is depressant, when used, it works on the body system slowing down the body activities. In this case, with the introduction of alcohol, the heart rate consistently becomes slower. With excessive alcohol, animals become inactive and might end up dying. This way, alcohol works in such a way as to inhibit the nervous system (Naumann 34). On the other hand, caffeine works by stimulating the nervous
Pages: 7 (1750 words), Lab Report
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Give the report a suitable title but it is on fungi
Other studies have indicated the use of fungi especially from genera: Gliocladium and Trichoderma to protect certain plants species through a wide spectrum of pathogens. Likewise, studies have demonstrated the use of genera Epicoccum and Penicillium to inhibit growth of some microorganisms (Foschi, et al. Some of the bacterial and fungal that can be inhibited by the three pathogens include Colletotrichum spp, Botrytis cinerea, and Penicillium spp. evidently, there is limited studies in the body
Pages: 5 (1250 words), Lab Report
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Biochemical identification-qualitative analysis
The gridded white paper was labelled with hydrolysed starch, starch, glucose, lactose, sucrose and hydrolysed sucrose. Water was also used as a control experiment. A spot plate was put on the label white paper and few drops of each of the above stated reagents added to the corresponding wells on the spot. 1 drop of I2 – KI was then added to each sample and mixed thoroughly with a tooth pick using different toothpick on each reagent spot. The results were then recorded in a table.The reagents
Pages: 4 (1000 words), Lab Report
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IB biology HL lab Investigate the effects of sodium bicarbonate and light intensity on the rate of photosynthesis of leaves through the observation of floating leaf discs
The hypothesis is that when the green spinach leaves are exposed to higher light intensities in the presence of the sodium bicarbonate, less time will be taken for the leaf disks to float. This is for the reason that there is an increase in the production rate of oxygen during the photosynthesis process that the leaf disks undergo.Upon setting up an experiment in the recommended manner using all the laboratory materials and procedures, the following data was recorded in relation to the number
Pages: 5 (1250 words), Lab Report
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Hydrolysis of enzyme amylase
That enzyme and substrate molecule combine at specific sites complementary to each other through lock and key theory and induced fit theory of enzyme action. For instance, starch is broken down by amylase to form maltose which can be easily absorbed in the body. The shape of the enzyme changes rapidly to allow the substrate to bind. Amylase is composed in saliva and pancreatic juices to break down long chains of carbohydrates such as starch into smaller molecules like maltose and sucrose.
Pages: 10 (2500 words), Lab Report
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Sea turtle report Introduction and methods
One of these environmental conditions is moisture. Moisture as an environmental condition affecting the development of sea turtle eggs has been comprehended much better than temperature. If the moisture levels are so low or so high, then, the mortality rate is raised. In the sea, factors resulting to high moisture levels include high tides which force sea turtles to transfer their nests to higher areas. Also, the aeration around the nest is a condition which affects development of eggs.
Pages: 6 (1500 words), Lab Report
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Pill Bug Lab
Pill bug is in the family of woodlice and the order is isopoda. This identification is what gives pill bugs their ability to coil up into a ball hence their name roly polies. The case explains why when a pill bug is moved to a drier region it will start finding its way to underneath a log; otherwise, it will end up coiling and ultimately dying. Pill bug also prefers dark places, where there is no sunlight, to avoid drying out. Besides their gills, pill bugs also utilize their antenna to
Pages: 13 (3250 words), Lab Report
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Rate of product formation in an enzyme - catalyzed reaction
This enzyme requires copper ions for the activation. The activity of the enzyme depends on temperature, pH and substrate concentration. The enzyme structure and activity is dependent on the active site and variable groups.The catecholase catalyzed reactions were tested with the given sample. Two test tubes were taken and to each of them 1 ml of potato extract was added. To the test tube named B 2ml of deionized water was added and to the test tube C 1 ml of deionized water was added. To B test
Pages: 5 (1250 words), Lab Report
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The Fermentation Report
Of fermentation are influenced by factors such as type of sugars, availability of water, type of yeast, temperature, and the amount of substrate (sugar) (Lin et al. In this experiment, the dependable variables are the types of sugars while the independent variables are amount and type of yeast, water, amount of substrate and temperature. The type of sugar is the variable that is manipulated to establish the effect of various sugars on the rate of yeast fermentation.This experiment aimed at
Pages: 4 (1000 words), Lab Report
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Lab report
The contents were observed and described, while the observations were recorded on the results sheet. The identity of each of them was also suggested. Low power microscopy was used to view the contents, while much attention was paid to any presence of glass and paint. The observations were also recorded, and the magnification used. Physical Examination of Evidence: The suspect items were collected carefully, and a physical examination was done as the observations were recorded on the results
Pages: 5 (1250 words), Lab Report
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Model Organism - C elegans
The lifecycle of C.elegans may be divided into 6 different stages namely embryo, larva1 (L1), larva2 (L2), larva 3(L3), larva 4(L4) and adult. During each larval stage, the worm molts and continues to grow in size.2. It is necessary for C.elegans to pass through distinct phases before attaining sexual maturity since there is a physical limitation to growth during each stage.
Pages: 5 (1250 words), Lab Report
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