The longest phase of mitosis is prophase. Because the nuclear membrane disappears, Nucleolus disintegrates, and the DNA condensed to form chromosomes (each chromosome is composed of sister chromatids attached around centromere.)
Answer:
Placebo, Is used to describe a substance given in clinical trial that does not contain the drug.
Explanation:
- Clinical trials are done to evaluate the effectiveness of a drug in treating a particular medical symptom or disease.
- In such case a placebo is used as a control in the experiment.
- A placebo contains all the components as the medicine except for the drug that is being tested.
- A placebo is given to one group of patients having the symptoms for which the drug is tested while another group of patients with same symptoms are given the drug.
- If the group that was given the drug show symptoms of cure while the group that was given placebo does not show changes. Then the drug is said to be effective.
The second row of values in plant experiment most likely to have "high oxygen level and carbon dioxide level would be the same".
Explanation:
The procedure by which living things convert oxygen and glucose to water and carbon, accordingly yielding vitality is called photosynthesis. It does not require the nearness of daylight and is continually happening in living life forms. Cell breath occurs in the mitochondria of cells.
Through these procedures, plants get the carbon dioxide they need, and living life forms get the oxygen they need. They are additionally crucial to the vitality trade that living things need to endure.
Answer:
The correct answer is - option c.
Explanation:
Benedict test is used to test the presence of reducing sugar in a sample. If the benedict solution turns in red or orange color it means there is a presence of glucose as it is a reducing sugar. So, this test result shows that there no reducing sugar in the sample as it is blue.
Lugol test is the test to see if the sample has starch in it or no by turning in to blue color, in this result, it is orange in color which suggests that there is no starch available.
A Biuret solution is used to test for the availability of protein in a particular sample, purple or pink color is the representation of the presence of protein. There is no protein as per result
Sudan red test is used to test the presence of TGA, lipids, or lipoproteins in a sample by reacting with it and turn in to red color. The absence of the lipids shows no change as it is shown in this test.
Thus, the correct answer among these options is - option C.
