The combination of both rapid growth rates and clever adaptation mechanisms make antibiotic resistance an issue that can arise quickly. Antibiotic resistance is when infectious bacteria adapt and become immune to the har... More » Science Biology

Antibiotic resistance occurs when microorganisms that cause diseases become resilient and can generate ways to resist the antibiotics. This makes the antibiotics lose the ability to fight bacteria and other foreign invad... More » Health Medications & Vitamins

Bacteria do not produce antibiotics; antibiotics come from a compound that is found in fungi or another microorganism. According to the United States Centers for Disease Control and Prevention, some antibiotics are synth... More »

There are multiple ways to count the bacteria colonies growing in a Petri dish, from simple counting by hand, to complex machinery designed to electronically measure colony growth. Depending on how many Petri dishes need... More »

A microbicidal agent kills microorganisms such as bacteria, while a microbiostatic agent only prohibits the growth of such microorganisms. In the presence of microbiostatics, the microorganisms eventually die due to lack... More »

General purpose medium in microbiology is a substance that fosters the growth of most types of bacteria. According to the Michigan State University chemistry department, it is usually comprised of a mixture of protein di... More »

Tissue tropism refers to the cells and tissue of a host organism that make the host hospitable to the growth of certain types of viruses and bacteria. While some bacteria and viruses can infect many types of cells and ti... More »