Practical 1: Observation of mitosis in garlic root tips Introduction The practical will involve the preparation‚ observation‚ and classification‚ of the various stages of mitosis by observing garlic root tips using a microscope. The study comes under the heading of cytogenetics which is the visual characterisation of genetic material and the study of how that material reacts during the life of the cell. Strictly speaking‚ mitosis is the division of the nucleus into two daughter nuclei that are
Premium Mitosis Cell cycle Chromosome
Experiment 1 Background Diffusion is a process‚ in relation to the spontaneous movement of molecules from an area of high concentration‚ to an area of low concentration down a concentration gradient. It is a type of passive transport method‚ that requires no cellular energy (ATP). This movement occurs‚ until a state of equilibrium has been established on both sides of the membrane. The diffusion of molecules happens at cellular level‚ through a cell membrane via the pores. The cell membrane
Premium Osmosis Glucose
During World War II‚ German doctors and physicians conducted harmful and cruel experiments with victims of the Holocaust; mainly in the concentration camp “Auschwitz.” Nazis’ goals were to improve their medical science‚ prove that they were the “Master Race‚” and they also wanted to have better treatments for the personnel of the German Military. The experiments performed were often deadly‚ but the physicians didn’t care‚ and tested the prisoners anyway. Some of the many victims were Jews‚ Romans
Premium Nazi Germany Auschwitz concentration camp Medicine
large unwanted crowds and riots. (Jardin‚ 2005) Our experiment is intended to use this information to see if we can impact the reproduction process of the bean beetle. We hypothesize that sound waves will have a negative impact on the amount of eggs produced by a group of bean beetles. Materials and Methods Black eyed peas
Premium Sound Ear Insect
Ogles Ogles 1Honors English 1Latham2/19/16 Medical Experiments in The Holocaust The Nazis during their holocaust of the Jews‚ the systematic state-sponsored killing of six million Jewish men‚ women‚ and children and millions of others by Nazi Germany and its collaborators during World War II.‚ medically experimented with their captives. They experimented in various ways‚ including how to combat hypothermia. These experiments left massive amounts of dead test subjects. All of these atrocities
Premium Nazi Germany Schutzstaffel Auschwitz concentration camp
------------------------------------------------- ------------------------------------------------- 1. What is the dependent variable for this experiment? ------------------------------------------------- The dependent variable is the concentration (solute) of the potato. ------------------------------------------------- ------------------------------------------------- 2. What is the independent variable for this experiment? ------------------------------------------------- The independent variable is the concentration (solute)
Premium Management Cost Marketing
Trial # Guess Observation Explanation Trial 1 The dyed red water will not seep into the blue cold water. My guess was indeed correct and red water did not interfere with the blue water. Because the molecules in the blue water are much closer together because its cold and well the red water has warm/hot water and the molecules are everywhere. The molecules in the blue water are so dense that they’re making a layer so that the molecules from the red jar do not come through. Trial 2 I think
Premium Water Seawater
Discussion: Conclusions: • For both meters it was noted from plots that the difference in pressures are directly related to the rate of discharge. • Coefficient of discharge have a varying value depending on the rate of discharge‚ where in the Venturi meter the value of Cd increase gradually at first with increasing the rate of discharge till a point approaching one‚ then started to descend with further increment in the rate of discharge. • The Coefficient of discharge " Cd
Premium Fluid dynamics
light and dangly‚ paper is okay if it is in strips. This is purely decorative)‚ thumbtack (to attach streamers)‚ 1/2 cup of water‚ 1/2 cup vinegar‚ 1 teaspoon baking soda‚ and outdoorsy place. Lesson: This should be presented as a chemistry experiment. Ask the kids what a chemical reaction is? Did they know they can make gasses out of liquids or solids? What happens if they put things like baking soda and vinegar together? If they don’t know‚ tell them the two create a gas when combined
Premium Towel Chemical reaction Paper towel
Biology Experiment Absorbance of Beet Root Sarah Hsu Y 11 Hope Purpose The beetroot experiment is to investigate and understand the affect different temperatures have on cell membrane structures. Hypothesis The higher the temperature is‚ the higher the rate of absorbance of the cell membrane will be. Variables Controlled Variables | Independent Variables | Dependent Variables | The length of the beetroot placed into the test tube. | The temperature of the water bath. | The absorbance
Premium Cell membrane Boiling Water