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Illustration of streak plate procedure to achieve isolated colonies using aseptic technique. The three-phase streaking pattern, known as the T-Streak, is recommended for beginners. The streaking is done using a sterile tool, such as a cotton swab or commonly an inoculation loop. The inoculation loop is first sterilized by passing it through a ...
The phage can then be isolated from the resulting plaques in a lawn of bacteria on a plate. Viral cultures are obtained from their appropriate eukaryotic host cells. The streak plate method is a way to physically separate the microbial population, and is done by spreading the inoculate back and forth with an inoculating loop over the solid agar ...
An inoculation loop (also called a smear loop, inoculation wand or microstreaker) is a simple tool used mainly by microbiologists to pick up and transfer a small sample of microorganisms called inoculum from a microbial culture, e.g. for streaking on a culture plate.
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Daron K. Roberts was chosen as the 2024 Steve Kemp Writer in Residence. Applications are being accepted through Nov. 1 for the 2025 residency.
All Spanish words have at least one stressed syllable when the words are used in isolation. The word para can be a verb (the singular pronoun form of "stop") or a preposition (in order to, for). When words are used in a phrase, the stress may be dropped depending on the part of speech.
The US-Mexico border is effectively closed off to migrants seeking asylum in the United States within hours of President Donald Trump taking office, an extraordinary departure from previous ...
The cognates in the table below share meanings in English and Spanish, but have different pronunciation. Some words entered Middle English and Early Modern Spanish indirectly and at different times. For example, a Latinate word might enter English by way of Old French, but enter Spanish directly from Latin. Such differences can introduce ...