<span>The Benedictâs test is used for studying the reducing sugars.
When the aldehyde is oxidized, the copper gets reduced and precipitates, changing the blue color of the solution to orange or red color.
The darker the color indicates that the solution has higher levels of sugar or a high amount of chemicals that have been reduced in the Benedictâs test.</span>
The mass of an atom is contained in the nucleus.
If the number of observations is even, then the median is defined as the average of the two middle observations<span>. Median is a measure of central tendency, it depicts the middle value in a given set of numbers. To find the median, the data should be arranged in order from least to greatest. If there is an even number of items in the data set, then the median is found by taking the mean or average of the middlemost numbers. If there is an odd number of results or items, the median is the middle number.</span>
The correct answer is A) DNA
Some bacteria have developed a resistance to Cipro.