Question

what are the 2 solutions used to testing the protein?
how do you measure the time using stop clock ? explain with a activity...​

Answer 1

Answer:

The timing functions are traditionally controlled by two buttons on the case. Pressing the top button starts the timer running, and pressing the button a second time stops it, leaving the elapsed time displayed. A press of the second button then resets the stopwatch to zero.

Answer 2

Answer:

Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.

Explanation:

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