Results

1. Read all plates for growth (+) or no growth (—). Record your results in the chart.

Minutes Boiled

Culture

5

10

15

30

Control

S. epidermidis

B. subtilis

2. State your interpretation of these results for each organism:

S. epidermidis:

B. subtilis:

EXPERIMENT 12.2 DRY HEAT

In this experiment, egg white (the protein, albumin) is used to simulate microbial enzyme protein. The speed of the damaging reaction (coagulation) of moist and dry heat on protein will be observed.

Purpose

To compare the effects of moist and dry heat

Materials

Tubed distilled water (0.5-ml aliquots)

Sterile 1.0-ml pipettes

Clean tubes

Dry-heat oven

Egg white (albumin, a protein)

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Bacterial Vaginosis Facts

Bacterial Vaginosis Facts

This fact sheet is designed to provide you with information on Bacterial Vaginosis. Bacterial vaginosis is an abnormal vaginal condition that is characterized by vaginal discharge and results from an overgrowth of atypical bacteria in the vagina.

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