Which technique(s) allow us to obtain a single, pure colony? (select all that apply) 0 Serial dilution Pour plate Spread plate Streak plate

What is the purpose of CPR ? A:To circulate blood around the body B: resetablish the normal heart beat C:To help the person breathe D:To keep the electrical activity of the brain going

Alice Ball’s was contributions to science have always been acknowledged

Partway through my first semester in college, I tried drawing and labeling pictures as a study tool, and my grades on multiple choice exams improved. I decided to design an experiment to see if this same trick works more generally. I split up students into two groups in my LIFE 102 class: Group A were given the PowerPoint slides for lecture and asked to review the material for their weekly quiz based on the lecture notes only. Group B were given the same PowerPoint slides during lecture and asked to draw the content visible on the slides during lecture in their notebooks. I asked students to share their notes with me so I could confirm which students drew their own pictures and which students used lecture notes only. Then, I evaluated their quiz grades.     Write an alternative hypothesis and a null hypothesis for my experiment. Then write a prediction for each of these hypotheses.   Label them clearly, as in this structure:   Alternative Hypothesis: [general statement of a phenomenon…