Mcb 2610 lab final - Study guides, Class notes & Summaries

Differential media - allow certain bacteria to be differentiated from others by change of color, zone of clearing, or other Bacteria can prevent phage attachment and escape infection by acquiring mutations on genes which alter their _________. - cell surface receptors A _______ agent does not kill a microorganism, but rather just inhibits its growth. - bacteriostatic A clear area surrounded by growth of host cells is called a _______. - plaque A color change to yellow on the mannitol salt ...

FINAL EXAM: MCB 2610 Lab final Exam with Certified Solutions The ______ _______ method is a quick and easy way to isolate bacteria CORRECT ANSstreak plate In what orientation do you incubate the plates after they have been streaked? CORRECT ANS-agar half bottom

PRACTICAL: UConn MCB 2610 Final Lab Practical Exam 100% Solved The ________ method is a quick and easy way to isolate bacteria. CORRECT ANS-Streak plate How many times do you get culture from the tube while performing a t-streak? CORRECT ANS-Once Who do you contact to reschedule a lab? CORRECT ANS-Gino

Chemicals used to decrease the number of microbes on living tissues are called _____ - Antiseptics A Durham tube is included in the LT broth tubes to detect _____, a byproduct of lactose fermentation. - Gas _____ (lytic/lysogenic) phages can integrate its DNA into the host genome. - Lytic _____ will occur around the colonies, indicating amylase production and starch utilization. - Red dying from iodine _______ is an opportunistic pathogen that commonly causes staph infections. - Staphyloc...

True/False: Gram stains and spore stains are examples of simple stains. - FALSE What causes bacterial endospore formation? - Response to environmental conditions, i.e., lack of nutrients What are the 4 phases of microbial growth? - Lag, exponential/log, stationary, death True/False: we will measure the optical density over time to determine growth rate. - TRUE Define generation time. - Time for population to double What does it mean for a culture to be in stationary phase? - Rate ...

mear of the culture, you heat fix the slide before air drying it completely. - answerFALSE True/False: wiping down the bench with wescodyne is the last thing you do when leaving the lab. - answerFALSE What is the magnification value of the ONLY objective lens that should come in contact with immersion oil? - answer100x Pertaining to Gram stain, cells that retain crystal violet and appear purple are said to be_____. - answerGram positive True/False: your name, the date, and sample informa...