1. If you spread 0.1 ml of 10-3 of a sewage sample on a plate, and obtained 221 colonies on the plate after incubation, how many CFU/ml were present in the undiluted sewage sample? 2. How can you make E.coli cells competent so that they can be transformed? 3. What […]

Prepare a project on the Human body system with brief power point Introduction The main stages in the creation course of natural sciences it’s contented of four parts, Scientific methods, Physics, Chemistry and Biology. You are going to choose one of the topics below to make research about this topic. […]

(1) Mrs. Jones has a ten o’clock appointment for her new puppy to get a distemper booster, and has arrived on time by taxi. The receptionist has checked her in and she and the puppy are waiting in exam room one. You have taken the temp, pulse, and respiration and […]

Q1. Janine is a 20-year-old college student who is 5’4″ tall and weighs 130 pounds. She engages in moderate exercise 3-5 times a week. How many kilocalories must Janine eat each day to maintain her present body weight? Q2. Start with a hypothesis. About 20 percent of all angiosperm species […]