In this graph, the blue line is the data from the control case, the red line is the low pitch trial, and the yellow line is the high pitch trial. Graph showing carbon dioxide concentration ppm vs time for all three cases.
Results This experiment showed the effects of ethanol on the cellular respiration of mealworms. Data collection and organization. For future research, we would definitely like to measure the impact of other factors, such as temperature or time of day, on cellular respiration using a similar method, and repeat the experiment on bigger, more complex organisms as well.
Then we got the carbon dioxide sensors and put the 2 mealworms inside a jar. KOH pellets absorb carbon dioxide and form an insoluble precipitate Observing Cellular Respiration in mealworms Posted on by vikramvasan7 Abstract: Place it in the dark environment, but this time, shine a the torchlight through the transparent hole.
To show the actual rate at which cellular respiration occurs in the peas. The oxygen consumption increased over time in germinating peas. We also decided to study the factors affecting the rate of respiration by asking, what effect, if any, does sound have on the change in CO2 concentrations in the jar with the two mealworms.
In most organisms, this steady source of energy is provided by ATP or adenosine triphosphate, a molecule that consists of a nucleotide with three attached phosphate groups.
Place mealworms in middle of box. It would also be interesting to try out sound on crickets, or any other animal Mr. Place it in the dark environment, but this time, shine a the torchlight through the transparent hole.
Something interesting observed, was that during experiment 1, the probe showed no increase no decrease in carbon dioxide when placed in the ice bath. Can cover up the transparent holes so that in darkness, there will be no other sources of light and that in bright light, the only source of light will be the bright light.
The seals on the respirators may not have been completely air-tight. For the control case, we then let the jar sit for ten minutes, using Vernier Graphical to measure the carbon dioxide concentration in parts per minute over the ten minute duration.
In other words, how can you further improve your design. Regarding the uncontrolled experiment 2 of the hot bath, there was a high increase of respiration compared to the controlled experiment. Both groups showed progressively increased rates as time elapsed.
The beads were the control variable. Leave the mealworms as such for 1 minute. Lab 5 Cellular Respiration by Kris Layher Lab 5 Cellular Respiration Introduction Cellular respiration is the procedure of changing the chemical energy of organic molecules into a type that can be used by organisms.
The three stages of cellular respiration are: Somewhere in our experiment where an error could have occurred could be through the mealworms we chose.
Oxygen consumption in the respirometers with germinating peas was greater than that in respirometers with non-germinating peas. We predicted that sound does in fact influence the rate of respiration in mealworms. This image is of the ice bath that the meal worm was placed in.
In the control, the carbion dioxide concentration increased from about ppm to around ppm, which shows an increase of a little over ppm. It is expected that there will be no oxygen used by the seeds that have not germinated yet. I learned hands-on how the environment affects cellular respiration.
What is the purpose of KOH in this experiment. The data clearly shows that the increase in carbon dioxide concentration was greatest in the high pitch case and lowest in the control case.
These readings were recorded and used as the control. Water baths held at constant temperature Volume of KOH is the equal in every tube Equilibration time is identical for all respirometers 3.
Time using the stopwatch. The purpose of this lab was to design and perform our own experiment using organisms and manipulating specific factors of their environment (in our case the surrounding temperature) to increase or decrease the rate of cellular respiration in the worms.
In the lab, CO2 made during cellular respiration was removed by the potassium hydroxide (KOH) and created potassium carbonate (K2CO3). It was necessary that the carbon dioxide be removed so that the change in the volume of gas in the respirometer was directly proportional to /5(3). Oct 30, · In this lab, we decided to quantifiably measure the rate of cellular respiration inside a living organism and observe the effect of certain factors on the rate of respiration.
Specifically, we decided to use a carbon dioxide probe to measure the rate at which two mealworms in a closed jar produce carbon dioxide. Jan 06, · Nico explains his experiment that explores how temperature affects the metabolism of mealworms.
Mealworms were put in respirometers that were then placed into room temperature and cold water baths. Jul 11, · Entry 6 – Mealworms Investigation Lab Report! The mealworms will move and behave like it would when observed initially in darkness and will be spread somewhat evenly throughout the box, but it would move away from the source of bright light.
Entry 6 – Mealworms Investigation Lab Report! Search for: Follow Blog via Email. Jul 11, · Entry 6 – Mealworms Investigation Lab Report! Posted on July 11, by emilyzhao99 This is my lab report as a follow up to my previous mealworm investigation (Entry 5!).Mealworms and cellular respiration lab report