You have prepared a .2 M histidine solution. Calculate the molar concentration of isoelectric histidine at a) pH 5.5 and b) pH 7.0. A solution is provided, but can you do a step-by-step as I do not quite understand the math that went into this.

Label a-f based on the table using c for concentrated and d for dilute

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize