Chapter 1
The study of microorganisms
What is the name of a single spherical shaped bacteria?
Coccus
What is the Nucleus?
Where DNA is stored in a cell
Are viruses alive?
Not exactly alive but more than inert and lifeless molecules.
How many known microbes cause infections?
Nearly 2,000 microbes
What is the highly resistant part of bacteria that is formed to help survive harsh environments?
Endospore
What does the mitochondria do in the cell?
Makes ATP to use for energy
What are the nature of viruses?
Consists of nucleic acid, protein coat, and in some cases a membrane envelop.
What are the two forms of Carbohydrates?
Simple and Complex Carbohydrates
What type of bacteria is corkscrewed shaped?
Spirochetes
What are the two types of fungal cells.
Yeast and Mold
What percentage of viruses cause cancer?
approximately 20 percent
Name two historical uses for bacteria?
Possible answers:
Bread production
Alcohol production
Cheese production
What is chemotaxis?
The reaction of a bacteria to be drawn to or to be weary of a specific chemical in a specific area.
How many species of fungi can cause human diesase?
Nearly 300
What are two common uses for sterilization?
Possible answers:
inanimate objects
surgical instruments
syringes
commercial packaged food
What are all the possible types of lipids that we have learned.
Triglycerides, Phospholipids, Steroids, and Waxes
What is the process of making a biofilm.
1. Cell Deposition
2. Cell Absorption
3. Growth and replication
4. Polysaccharides matrix secreted
5. Detachment
What is sexual spore formation?
Mixing of DNA from two parents fungi creates offspring with combinations of genes different from that of the parents.
What is aerobic respiration?
it is the break down of glucose using the Citric Acid cycle