Stingrays Lab Report
Researchers at the University of California, San Diego discovered that stingrays have the same enzymes used by “boneworms” to break down whale carcasses, and help promote photosynthesis in coral. However, this enzyme in stingrays is used to regulate their blood pH. This discovery is leading scientists to get a better understanding of enzyme’s function in human kidneys to regulate blood and urine function. To examine the enzyme more closely graduate student Jinae Roa isolated cells from stingray gills and exposed them to different pH conditions. Her and Martin Tresguerres discovered the more elevated and more alkaline, the proton pump activated by pushing the cells inner cytoplasm to the outer membrane, therefore, relieving it of excess acid.
Pillbug Lab Report
989 Words | 4 PagesAbstract: The main focus of this lab is on animal behaviors in terrestial isopods, also known as pillbugs. There are many purposes to this lab experiment. First, these pillbugs are put into four different types of enviroments, also known as chambers, light v. dark, hot vs. cold, moisture vs. dry, and lastly shelter vs. open. In these different chambers, there are 10 pillbugs, 5 placed into each individual chamber and then observed for up to 5 – 10 minutes. In this lab we observed that pillbugs prefer light areas, hot temperatures, moist environments, and lastly sheltered spaces.
Bean Beetle Lab Report
1644 Words | 7 PagesIntroduction The bean beetle also known as the Callosobruchus maculatus, is an agricultural pest insect from Africa and Asia. That can be found throughout the tropical and subtropical regions. The lifecycle of a bean beetles is quite short an adult been beetle lays their eggs on the external surface of a bean. The larva hatches from the egg burrows from the egg through the seed coat and into the bean endosperm without moving outside the protection of the egg.
Bird Beaks Lab Report
578 Words | 3 PagesIn Biology class we conducted a lab called “Bird Beaks”, in the lab we were separated into four groups of different bird beaks. Our goal was to see which type of beak was more successful, and if evolution occurred. I claim that Evolution did occur in the bird beak lab because spoons were able to survive and grow throughout everything that occurred and tweezys were able to grow and thrive after migration and everything that followed. My first piece of evidence and reasoning, is that spoons survived throughout the whole experiment after two natural selections, a migration of tweezys, a natural disaster, and a mutation. We started with seven spoons and ended with thirteen spoons.
Daphnia Magna Lab Report
247 Words | 1 PagesDaphnia Magna are small crustaceans that are excellent for observing the effect of depressants on their nervous system. The purpose of this specific experiment is to observe the effect of ethanol, aspirin, and caffeine on daphnia’s heart rate. Not only do these chemicals affect heart rate, but they also affect the frequency of reproduction, number of eggs produced, and body structure. Pesticides similar to these chemicals can be released into the environment and daphnia re useful in monitoring toxicity levels. The agents being tested in this experiment can be administered to determine the effects of hormones, stimulants, antidepressants, and neurotransmitters.
Pup Lab Report
434 Words | 2 PagesWe hypothesized that men with apparently clinically localized CaP harboring occult metastases would also have elevated plasma levels of components of the uPA system of plasminogen activation that would be associated with a higher risk of biochemical progression despite effective local control of disease. Therefore, to determine the relationship of the major components of the uPA system with established markers of CaP presence, invasion, metastasis, and progression, we studied pre- and postoperative plasma levels of uPA and uPAR in patients with clinically localized CaP who underwent radical prostatectomy, patients with CaP metastases to regional lymph nodes, patients with newly diagnosed CaP metastases to bone, and healthy men. The availability of pre- and
Blue Heron Lab Report
275 Words | 2 PagesModeling predation Yeling Partner: Tobi Environmental science Mrs. Eckman Oct. 25 2015 Introduction: Objective: Through this lab we will know how do changes in environment factors affect the predation habits of the blue heron. Hypothesis: Environment factors will affect the predation habits of blue heron. Where has more fish, they will go where. Materials: 21*27 cm^2 grid paper 400 uncooked rice grains
Belcher's Sea Snake Research Paper
90 Words | 1 PagesINTRODUCTION Although a Belcher 's Sea Snake has very small teeth it is the most venomous snake in the word. Belcher’s Sea Snake The Belcher’s Sea Snake will only attack if you provoke them,as if a bee or a skunk. The Belcher’s Sea Snake can sleep under water without gills is amazing, He can also breath underwater for up to 8 hours.
Horseradish Peroxidase Lab Report
1090 Words | 5 PagesIt was hypothesized that the optimal pH for the enzyme was pH 7 while the 1.0 ml peroxidase would have the best reaction rate. At the end of the experiment the results prove the hypothesis to be incorrect. INTRODUCTION Enzymes are proteins that allow a reaction to speed up. These proteins are made up of monomers known as amino acids.
Manatee Research Paper
1763 Words | 8 PagesThe trichechus most commonly known as the manatee is a large aquatic mammal with ancestors dating back to 45 million years. The modern manatee has been found in fossil evidence to have existed for at least 1 million years. Living in shallow bodies of fresh and saltwater the manatee is mostly a gentle solitary animal, with highly developed social skills. While different variations of the manatee live across the world, all manatees are slow moving herbivores with very few natural predators. While the manatees are rather slow animals they are agile and can easily maneuver underwater.
Enzyme Turnip Peroxidase Lab Report
1117 Words | 5 PagesThe effect of pH on the speed of enzyme interaction with substrate chemicals Hypothesis: About pH: If the pH level is less than 5, then the speed of the enzyme reaction will be slower. About temperature: If the temperature stays the same, then the speed of the enzyme reaction will not be completely affected. Background information: The function of enzymes is to speed up the biochemical reaction by lowering the activation energy, they do this by colliding with the substrate.
Penny Lab Report
463 Words | 2 PagesThe purpose of this lab was to change pennies from copper to silver to gold, like alchemists have attempted to do in history. Through the data and observations gathered throughout this experiment, it can be concluded that the pennies were not changed into a different element. For example, the density of the penny from 2005; which was the penny that was experimented on to see whether or not it could turn into silver; was 4.62 g/cm3 before the experiment and 4.89 g/cm3 by the end of the experiment. If this copper penny really would have turned into silver, then the density of the penny would be 10.49 g/cm3; which is the density of silver; by the end of the experiment. The penny may have turned silver in color, but this was only because it was plated in the zinc that was added to the beaker of water in the experiment.
C. Elegans Lab Report
1130 Words | 5 PagesWe use Mendelian genetics to study the genetics of C. elegans. C. elegans have very similar genetics structure to humans. C elegans belongs to Phylum Nematode species which is very different from the earthworm. C. elegans is the first eukaryotic organism to have an entire genome sequence. It is very easy and simple to conduct an experiment on C. elegans that’s why the majority of laboratories use this organism.
Daphnia Heart Rate Lab Report
255 Words | 2 PagesCorotto, F., Ceballos, D., Lee, A., & Vinson, L. (2010). Making the Most of the Daphnia Heart Rate Lab: Optimizing the Use of Ethanol, Nicotine & Caffeine. The American Biology Teacher , 176-179. The purpose of this article was to test the effects of chemicals on Daphnia magna.
Alkaline Phosphatase Enzyme Lab Report
2575 Words | 11 PagesIntroduction 1.1 Aim: To determine the kinetic parameters, Vmax and Km, of the alkaline phosphatase enzyme through the determination of the optimum pH and temperature. 1.2 Theory and Principles (General Background): Enzymes are highly specific protein catalysts that are utilised in chemical reactions in biological systems.1 Enzymes, being catalysts, decrease the activation energy required to convert substrates to products. They do this by attaching to the substrate to form an intermediate; the substrate binds to the active site of the enzyme. Then, another or the same enzyme reacts with the intermediate to form the final product.2 The rate of enzyme-catalysed reactions is influenced by different environmental conditions, such as: concentration
What Are The Levels Of O2 And Co2 To Maintain Acid-Base Balance
248 Words | 1 PagesKidneys: The kidneys adjust the blood pH in longer-term adjustments of hours to days by using a variety of mechanisms. These mechanisms excrete or retain H+, bicarbonates, and other ions. The kidneys role is to buffer the metabolic acids that are found in the human blood. The HCO3- required to buffer these metabolic acids are filtered out of the blood
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