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There are several bacteria which can grow in the intestinal tract and cause a mild to severe and life-threatening illness. These bacteria include campylobacter, salmonella, shigella, e. Coli, listeria, and botulism. Each causes a unique set of symptoms which your physician can diagnose and treat, but prevention is best. Sometimes food and water may become contaminated, so it is important to stay informed to avoid ingesting contaminated food or water. Listen to the news in your local area for information if there is contamination found in the local water supply. If your find out that your water supply is contaminated, purchase and drink/cook with bottled water and refrain from showering until the water supply is safe again. Listen to the news for food recalls. Contamination is a common problem, so it is important to stay informed. If you learn that a certain type of food has been recalled, dispose of any of that type of food that is in your home and seek medical attention if you consumed any of it before hearing about the recall. Hand washing is an important step in preventing bacterial infections in and out of the kitchen. You should always wash your hands before and after you handle food. It is especially important to wash your hands thoroughly after using the bathroom or changing diapers, before you start working in the kitchen. Washing and cooking your food thoroughly can also help to prevent any harmful bacteria from getting into your system. Wash all fruits and vegetables before consuming them and cook animal products well to help kill off any harmful bacteria that might be in the food. Avoid eating raw or undercooked meat, poultry and eggs. Do not cross contaminate your food by using the same utensils for raw meat or eggs and fresh fruits and vegetables until those utensils have been thoroughly washed. Make sure you also thoroughly clean sinks, cutting boards, counter tops after handling these items, as contaminated surfaces are often to blame for cross-contamination. Do not consume anything that has a foul smell or of the can looks bloated. These are signs of botulism, which is an extremely dangerous bacteria. If consumed, botulism may be fatal. Foodborne botulism is associated with home canned foods with low acid content, such as asparagus, green beans, beets, and corn. Follow strict canning procedures when canning your own food at home. Do not give honey to children under the age of 12 months. It can contain a strain of botulism known to cause infant botulism.

summary: Learn about harmful intestinal bacteria. Stay informed about food and water recalls. Keep your hands clean when you prepare food. Wash and cook your food well. Watch for botulism.

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The PS4 only allows you to upload screenshots to Twitter or Facebook, and constantly posting your screenshots here can tick off your friends. Creating a dummy account and setting it to Private will allow you to upload your screenshots and then download them to your computer without having to bother anyone. Click here for instructions on creating a Twitter account. Your game will pause, and the Share menu will open. You can adjust your controller settings so that tapping the Share button opens the menu instead of having to hold it. Press the Options button while in the Share menu to change these settings. Not all content supports screenshots. You may not be able to take screenshots when playing movies or during video game cutscenes. You can only upload a single screenshot at a time. Sign in with your dummy Twitter account if you're not already. You can add a post to it if you'd like. After posting the screenshot, you can download the full-quality version by opening your Twitter account. The image will pop-out in a separate window. This will copy the address for the image to your clipboard. Change large to orig at the end of the URL and press Enter. This will load the full-size image in your browser. Press Ctrl+S or click "Save" in your browser's menu to save the image to your computer.

summary: Setup a dummy Twitter account. Press and hold the Share button when you want to take a screenshot. Select "Upload Screenshot" and then select the screenshot you want. Select Twitter from the list of services. Upload the image. Open your Twitter account on your computer. Click the image to open it. Right-click on the image and select "Copy image URL". Paste the address in your address bar. Save the image to your computer.

Summarize the following:
The mitochondria are the powerhouses of the cell. Draw them by making two or three large, rod-shaped ovals in the cell but outside the nucleus. Each mitochondrion (singular) should contain an enclosed shape with many ridges and switchback lines. This shape represents the mitochondrial cristae or inner folds of the organelle's membrane that provide more surface area to carry out processes. Leave a gap between the oval of the outer membrane and the inner membrane. Starting at one edge of the nuclear membrane, draw a large shape that extends out of the membrane with several finger-like shapes pointing to each side before reconnecting to the nucleus. This entire shape is the endoplasmic reticulum. The shape should be fairly large because the endoplasmic reticulum can take up as much as 10% of the volume of the entire cell. Animal cells have both a smooth and a rough endoplasmic reticulum. To make the rough endoplasmic reticulum, place dots on the outside edge of the finger-like shapes on one side of the endoplasmic reticulum. These dots represent ribosomes. To make the Golgi body (or Golgi apparatus), draw a set of three dumbbell-type shapes that are cylindrical at the center and bulbous at the ends. Each dumbbell should successively increase in size as they get farther from the nucleus and closer to the cell membrane. The Golgi body packages and sends complex molecules around and out of the cell. It does this via vesicles that you can represent around the Golgi body with a few small circles. Capitalize Golgi since it is the name of the discovering biologist. Centrioles help assist with cell division. They are close to but separate from the nucleus. Form the centrioles by drawing two small rectangles perpendicular to each other near the nucleus. The centrioles are paired organelles, which is why you draw two of the rectangles together. The lysosome is like the scrapyard of the cell that breaks down unneeded material to reuse. Represent the lysosome with a small circle at the edge of the cell. Add many small dots in the lysosome to show the digestive enzymes inside, which is called a hydrolytic enzyme mixture. You can place the lysosome near the Golgi apparatus since the organelles are often budded from the Golgi body. Ribosomes also float around in the cytosol, which is the cellular fluid inside the membrane but outside of all the organelles. Show the extra ribosomes in the cytosol by making several more dots inside the cell. If you have color-coordinated your drawing, make the ribosomes in the cell, attached to the nuclear membrane, and attached to the rough endoplasmic reticulum all the same color. Cytosol and cytoplasm are often used interchangeably for the fluid in the cell. Though the fluid in the nucleus is nucleoplasm.
summary: Draw rod-shaped ovals for the mitochondria. Draw finger-like shapes for the endoplasmic reticulum. Draw a set of dumbbell-like shapes for the Golgi body. Draw two small rectangles at right angles to represent centrioles. Draw another small circle for the lysosome. Add dots inside the cell but outside the other organelles to show ribosomes.