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Microbiology Quizzes #2
Terms in this set (30)
All of the chemical reactions of the cell are called
The term phototroph refers to an organism that
gets energy from sunlight
Yeasts can produce _________ as a fermentation product
The cell's metabolic reactions involve the participation of _______________ that lower the
activation energy needed to initiate the reaction
An organic compound (such as vitamins or essential amino acids) that cannot be synthesized by
the organism and must be provided is called a(n)
The process by which most bacteria grow and divide is called
A species of bacteria that grows best in a refrigerator but not as well at room temperature or
warmer could be described as a
The time interval from parent cell to two new daughter cells is called the
Which of the following best describes bacteria that rely on other organisms to make their
-affected by temperature and pH
The human body typically begins to be colonized by its normal flora
during, and immediately after birth.
The circulating substances that affect the hypothalamus and initiate fever are
What is correct about lymph?
-It transports numerous white blood cells.
-It travels in vessels similar to blood vessels.
-It is made mostly of water.
-Composition is close to plasma
Which process involves antibodies coating microorganisms in order to facilitate phagocytosis?
The chemical found in tears and saliva that destroys the peptidoglycan in certain bacterial cell
The ________ system of blood proteins act to lyse foreign cells by forming membrane attack
The clearance of pus, cellular debris, dead neutrophils, and damaged tissue after inflammation is
Resident microbiota are found in/on the
- nasal passages.
- large intestine.
The term _______________ is given to any foreign substance that stimulates a specific immune
Which of the following is NOT a type of white blood cell?
activate B-cells and other T-cells
bacterial toxins that activate T-cells at a 100 times greater rate than other antigens.
A chemical released by various immune cells to influence the direction and intensity of an
immune response is known as a(n) ________________.
Antigens that elicit allergic reactions are called _______________.
The process that detects and eliminates cancer cells as they arise is called _______________
secrete granzymes and perforins that damage target cells
The initial encounter with an allergen is called the
Any heightened or inappropriate immune response resulting in tissue damage is called a/an
What is true of Type O blood?
Persons with this type of blood have anti-A and anti-B antibodies in their plasma ; universal donor
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