IAHCSMM Chapter 4 set 2

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1

Nucleus

The functional center of a cell that governs activity and heredity is called the _______.

2

Flagella

Thread-like "tails" that help bacteria move through liquids are called ______.

3

Mesophiles

________ are often pathogenic to humans because they grow best at body temperature.

4

Viral

Herpes Simplex is a ____ disease.

5

Aerobic

Bacteria that require free oxygen to grow are called ______

6

Cocci (round) Bacillus(rods) Spirillum (spirals).

Bacteria are divided into 3 main shape classifications.

7

Spore

Microorganisms that are capable of forming a thick wall around themselves to survive in adverse conditions are called ____.

8

Gram Stain

Ziehl-Neilson stain.,The two most common processes designed to classify bacteria by color change are the ____ ___ and the ____ ____ ____.

9

Anaerobic

Tetanus and botulism do not require free oxygen to grow, so they are classified as _______ bacteria.

10

Positive

Using Gram-Stain classifications, Staphlococcus, Enterococcus, and Streptococcus are examples of Gram- ______ bacteria.

11

Binary Fusion

The bacterial reproductive process that takes place when a mother cell divides into two daughter cells is called ______ _______.

12

Causative agent

Reservoir of the Agent, Portal of exit, Mode of transmission, Portal of entry, Susceptible host.,The six steps in the chain of infection are:

13

Contamination

_________ is defined as the state of being soiled or infected by contact with infectious organisms or other material.

14

1-2

Most bacteria are approximately ___ ______ microns in size.

15

Vegetative

Sunlight is lethal to the ______ stage of pathogens.