The characteristics of each test include:
<u>Benedicts test:</u>
- A positive result indicates reducing sugar.
- A positive result is green to orange.
<u>Iodine test:</u>
- A positive result indicates starch
- A positive result is a blue-black.
<u>Dische diphenylamine test:</u>
- A positive result indicates DNA.
- A positive result is blue.
<u>Biuret test:</u>
- A positive result indicates proteins.
- A positive result is violet.
<u>Sudan 4 test:</u>
- A positive result indicates lipids.
- Positive result forms red droplets.
<h3>What are the effect of the test? </h3>
When carbohydrate solution is heated with Benedict's reagent, the reducing sugars will reduce the copper ions to orange in color.
Potassium iodide reagent is added to the solution for testing the presence of starch. The iodine then goes inside the coil of starch causing a blue to black color
Learn more about iodine test on:
brainly.com/question/1698910
Answer:
Natural selection is defined as what?
Natural selection entails the ability of an organism to adapt to an environment and such adaptive traits are passed from parents to offspring
Explanation:
The law of natural selection was propounded by Charles Darwin which entails the survival of an organism by adapting to an environment and such adaptive trait is passed to offspring
The Pacific Plate is being moved north west due to sea floor spreading from the East Pacific Rise (divergent margin) in the Gulf of California
Adequate supply of food
absence of predators