I explored the effect temperature would have on the growth of three bacteria species Alba polarensis, Vastus intermedius and Thermophilus caliente. None Such Island Gallery Introduction We performed a two-part experiment to gain a better understanding of bacteria through gram-staining.
Add about 5 drops of the safranin to the slide.
Cereus bacteria samples, we found that they were both gram-negative bacteria. We next rolled the swab of bacteria onto one quadrant of the agar. A We started the inoculation process by labeling our petri dish on the bottom.
Next we ran ethanol over the slide until Growing bacteria lab report rinsed off ethanol ran clear and let that sit for thirty seconds. We predicted that one of the colonies would be irregular and flat while the other colony will be circular and raised.
We opened the petri dishes and dragged the swab over the surface of the agar using our procedure one technique. B Next we used a bacterial inoculating loop to spread the inoculating material over the agar to produce isolated colonies.
You are free to use whatever means you think will show me that you have engaged and learned something in this lab. This bacteria was cloudy white, irregular, flat, and undulated in color and shape. Also it includes the prevention of contamination of the bacteria culture by other organisms.
Most are Growing bacteria lab report, but some species live temperately or permanently in colonies. We closed the lid and used perafilm to seal the edges.
This explains the horrible effects of food poisoning that these two bacterium can have on a human. We then counterstained the slide with safranin-o solution and let it stand for one minute.
First, we gently rubbed one fingertip in a sterilized agar plate using caution to avoid contamination from the air while the lid was open. Introduction Few, if any, living organisms can survive under all possible environmental conditions on Earth Dei Use a sterilized innoculating loop to transfer a small droplet of water to a clean slide.
In the next part of our experiment we swabbed various surfaces, the bottom of our shoes and the classroom light switch. We filled three beakers with tap water and arranged the slides on the staining tray.
Finally we were able to view our prepared slide under the light microscope using the oil-immersion technique. Eubacteria are placed in a division depending on the type of cell wall they have.
We emptied and refilled the beakers of tap water. Temperature is one of those environmental parameters that limit the growth of species, including bacteria Harley and Prescott We did so to determine how many and what kind of bacteria could be found there.
Agar plates prior to incubation period Results Both plates were examined carefully after a 48 hour incubation period. Your job is to demonstrate that you have achieved these goals. There were 3 distinct bacterial colonies in the agar plates created after hand washing compared to 4 bacterial colonies on the agar plates inoculated with unwashed hands.Bi0 Bacteria Lab Report - Copy.
Lab Report. Lab Report- Bacteria. Micro Lab Report. Documents Similar To Example of Bacteria Sample Testing Lab Report. Micro Unknown Lab Report. Uploaded by. Tika Ram. Microbiology Unknown Lab Report. Uploaded by. furban BACTERIAL COUNT COMPLETE/5(3). Sep 07, · How to Grow Bacteria in a Petri Dish.
Ever wanted to grow bacteria for a science project or just for fun? To grow bacteria in a lab-like setting, you need agar. You can find it online or through a science supply store.
Thanks! Write a Biology Lab Report. How to. Measure Bacterial Growth. How to. Make a Dichotomous Key.
How to. Draw a 81%(). Sample Lab Report (the data and microorganisms presented here are fictional) The Effect of Temperature on the Growth of Three Species of Bacteria.
Bacteria are a specific kind of prokaryotic organisms that are very versatile and can survive in a wide range of environments. Due to rapid mutations, bacteria can be found virtually anywhere. In his textbook, Campbell Biology, Reece et.
al. states that bacteria present in three distinct shapes: coccus (spherical), bacillus (rod-shaped), and spirillum (p. ). We performed a two-part experiment to gain a better understanding of bacteria through gram-staining.
Gram staining is a differential staining method which results in the classification of two groups of bacteria, Gram-positive and Gram-negative. Bacteria are microorganisms that grow everywhere. We can collect and grow them in specially prepared petri dishes. Blood agar or tryptic soy agar with 5% sheep's blood is an excellent medium for supplying bacteria with nutrients and an environment in which we can see them grow.Download