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L S 2 Review

Learning Set 2 Review for Test

What causes the common cold? rhinovirus, adenovirus spread by droplets
What are gastrointestinal diseases? diseases that affect the stomach and intestines.
What is an organelle? specialized structure in a cell.
What is the function of chloroplasts? These organelles hold the green pigment of chlorophyll.
What is the difference between a Eukaryote and Prokaryote cells? Prokaryotic: are singled-celled and don't have a nucleus.
What are Eukaryote cells? Eukaryotic cells have a nucleus.
What is a microbe? an organism that can only be seen through a microscope.
What is a bacterial spore? Bacteria remains in a dormant structure to survive unfavorable environments.
What is metabolism? Combination of chemical reactions that convert food into energy so that the organism can live.
What is microbiology? The study of microorganisms.
What is agar? Jelly-like nutrient that is used to culture bacteria.
An infectious agent is something that can get inside of your body, multiply, and cause a disease.
What is the cell theory? 1. All cells come from other cells 2. Cells are basic unit of living things 3. All living things are made up of cells.
How can you prevent the spread of disease? 1. Wash hands before eating and after touching reptiles/animals 2. Wash counter tops after working with raw meat.
What should you do when working with food to keep people from getting sick? 1. Cook food throughly. 2. Make sure the food in kept in a cooler temperatures.
How are plant cells different than animal cells? Plant cells have a cell wall and chloroplasts, that contain green chlorophyll.
What is the name of the variable that changes/or manipulated in the experiment? Independent variable.
What is the dependent variable? This the is responding variable. For example, time.
What are viruses? Viruses can't survive, grow or produce without another plant or animal cell.
What are bacteria? Bacteria are one celled organism that can survive and reproduce on their own.
What is the difference between viruses and bacteria? 1. Viruses are smaller than bacteria. 2. There is not cure for viruses. 3. Viruses can't survive without another cell.
How are viruses and bacteria similar? Both spread from one person to the next by coughs, sneezes, eye and nose contact which is droplet transmission.
What is droplet transmission? a way that an infectious disease can be transmitted from one person to the next. For example, coughs, sneezing, or eye/nose contact.
What is a case study? an observation of a person or group to use as a model.
What diseases have been nearly eradicated? Smallpox, Polio, Chicken pox, measles, mumps and rubella.
Who was the scientist to first work cowpox virus acting as a vaccine? Edward Jenner
What part of the microscope can only be used on Low Power? Coarse Adjustment Knob.
What part of the microscope can be used on Low, Medium and High Power? Fine Adjustment Knob.
What is Polio? No Cure: Almost eradicated from planet, due to immunizations Caused by; poliomyelitis Spread by: feces, hand to mouth
What is Small Pox? No Cure: Almost eradicated from planet due to immunizations Caused by; Variola virus Spread by: Saliva droplets and direct contact with sores
What is chickenpox? No Cure: immunizations make less common Caused by: varicella Spread by: droplets
What are the symptoms of Chickenpox? itchy spots on body, fever, headache
What are the symptoms of Polio? Minor to severe muscle weakness and paralysis.
What are the symptoms of Smallpox? small itchy spots, high fever, death
What is Lyme's Disease? Looks like a bull's eye. Caused by a bacteria found in ticks, often from deer. Tick is infected with the bacteria and it passes it onto the new host. Treated by medication.
What are the symptoms of Lyme Disease? Fever, headache, muscle and joint pain. If not treated within several days or weeks it can spread to throughout the body.
What is Pneumonia? Caused by bacteria and viruses. Viral conditions last for a short time. Bacterial need medication. Bacterial caused by; Streptococcus
Symptoms of Pneumonia? Bacterial: chills, severe chest pain, cough and greenish mucus. Air sacs fill up with pus. Viral: breathing problems, no fluid build up in lungs.
What is Mononucleosis (mono)? Caused by Epstein-Barr virus. Get it through coughing, sneezing, kissing, and sharing a glass with someone. No cure.
What are the symptoms of Mono? headaches, sore throat, fever, white patches on back of your throat, felling tired and sore muscles.
How does a virus spread? Virus first attaches to the cell membrane. Second, the virus injects its genetic material into the host's cell. Lastly, that newly infected cell divides and divides to make more cells with virus genetic material.