Answer:
The correct statements are C The pH is accurate but the solution will have excess salt. D The pH is accurate but the concentration of Tris will be incorrect
Explanation:
As the pH is finally maintained at 7 the pH for the buffer solution will be accurate but excess salt will be produced due to use of Both NaOH and HCl to make up the to 7.
As more volume of water is required at final step to make up the volume the concentration of tris will be incorrect.
The Spanish fly is a species of a beetle `
Robert Hooke contribute to the cell theory because he was the first person to use the term “cell.”
<h3>What is contribution of Robert Hooke to cell theory?</h3>
Hooke observing cork through his microscope in which he saw tiny cavities which he described as cells. Hooke's discovery led to the foundation of cell theory.
So we can conclude that Robert Hooke contribute to the cell theory because he was the first person to use the term “cell.”
Learn more about cell here: brainly.com/question/13123319
A colony on an agar plate that is slightly and equally elevated and unbroken would be classified as circular form of colony. These are pinhead colonies which are usually convex on its entire margins. These form of nutrient agar plates are usually<span> raised or elevated and unbroken.</span><span> </span>