How and why did you use the distance moved by the colored drop in the Thermobarometer to correct the distance moved by the colored drop in the experimental tube?
How did you use the distance moved by the colored drop in the thermobarometer to correct the distance moved by the colored drop in the experimental tube? The thermobarometer has nothing in it (no respiration activity), so we can use this as the starting point.
Which Respirometers in this experiment are the negative controls Why?
Which respirometers in this experiment are the negative controls? The respirometers with the distillled water instead of the glucose because the yeast had nothing to ferment so it was the control.
What is the purpose of the Thermobarometer?
Also called hypsometer. an instrument for measuring atmospheric pressure, and sometimes altitude, from its effect upon the boiling point of a liquid. a form of barometer so constructed that it may also be used as a thermometer.
What are you expecting to see in the negative control?
What is the difference between a positive control and a negative control? NEGATIVE CONTROL expects a negative result, for example adding the reagant to a solution known to NOT contain sugars like distilled water to ensure the reagent is still good and making sure the water does not change colors.
Why do we test seeds that have been soaked in formalin?
Boiled seeds are treated with formalin to prevent microorganisms from growing on them and decaying the seeds.
Why does cellular respiration which occurs in a plant whether it is light or dark cause the edge to move downward?
why does cellular respiration which occurs in a plant all the time, cause the edge to move downward? carbon dioxide reacts with water to produc carbonic acid. When light is available and a plant is added, the solution returns to its original red color.
Which of the Respirometers 1 2 or 3 serves as the negative control explain your answer?
3. Which of the respirometers (1, 2, or 3) serves as a negative control? Explain your answer. Respirometer 3, the one filled with only the glass beads, served as the negative control of the experiment.
What is a negative control group in an experiment?
A negative control group is a control group that is not exposed to the experimental treatment or to any other treatment that is expected to have an effect. These sorts of controls are particularly useful for validating the experimental procedure.
What is the purpose of treating the boiled seeds with formalin?
Boiled seeds are treated with formalin to prevent bacterial growth or decaying of seeds.
What is the purpose of soaking the seeds overnight prior or after the surface sterilization process?
Soaking seeds before planting helps you to break down the seed’s natural defenses against what it expects from Mother Nature, which then allows it to germinate faster.
What is Thermobarometry?
Thermobarometry is the quantitative determination of the temperature and pressure at which a metamorphic or igneous rock reached chemical equilibrium. The term “classical” thermobarometry refers to methods for calculating the P-T conditions of a specific chemical reaction.
What is a negative control in psychology?
More A negative control is an experiment that is run in parallel to a primary experiment with the same procedures except that the treatment is changed to something that is predicted to have no result. This is done to control for the placebo effect and to provide a baseline set of measurements for comparison to the primary experiment.
Is a barometer a transfer reaction?
Many barometers are net transfer reactions, and have shallow slopes on P-T diagrams (Figure 3a). Other barometers involve the concentration of an element in a certain mineral in equilibrium with a particular assemblage (e.g., Al in hornblende, Si in phengite).
What is Thermobarometry in metamorphism?
Thermobarometry is the quantitative determination of the temperature and pressure at which a metamorphic or igneous rock reached chemical equilibrium. The term “classical” thermobarometry refers to methods for calculating the P-T conditions of a specific chemical reaction. Why do we need to know pressures and temperatures of petrologic events?