Answer: e. All of the above.
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Answer:
1. False
2. Biuret's test
3. No test will be used
4. Proteins
5. Lugol's reagent
Explanation:
1. Benedict's test is used to detect carbohydrates. Specifically, it tests for the presence of simple carbohydrates, such as monosaccharides and disacchsrides. It is blue in the absence of sugar, green/yellow in the presence of a small amount of sugar, orange red in the presence of a moderate amount of sugars, and brick red when there are lots of sugars present.
2. Biuret's reagent is a chemical test that measures the presence of proteins by detecting the presence of a peptide bond. The test is used to measure the concentration of proteins in a sample. The intensity of the purple colour formed is directly proportional to the concentration of protein present.
3. Nucleic acids are not detected by any of the listed tests. Biuret reagent tests for the presence of proteins, Benedict's reagent detects the presence of carbohydrates. The beta carotene test measures the level of beta-carotene in the blood. diphenylamine can be used as a colorimetric test for the presence of DNA or RNA.
4. Enzymes are a class of proteins. They are biological catalysts, meaning they participate in, and speed up, chemical reactions in the cell, without us themselves becoming altered in the reaction. They are proteins, and thus formed from chains of amino acids.
5. Lugol's reagent, also called Lugol's iodine, is a strong iodine solution that detects the presence of starch (turning a dark blue/black colour). This means it will not detect the presence of glucose, as this is monosaccharide rather than a polysaccharide like starch
Hello! Your answer is the bottleneck effect.
Speaking more broadly, genetic drift is when a population becomes smaller, and there are fewer genotypes in the gene pool. There are two types of genetic drift: the bottleneck effect and the founder effect.
The bottleneck effect is when an environmental change / human activity causes many members of the population to die, which means that the gene pool is now represented by just a few organisms. This is correct in this scenario, as an environmental change caused the gene pool to be reduced.
The founder effect is when a new colony is established elsewhere, so only alleles in the smaller founder group will be reproduced.
Hope this helps!
A) Ammonium hydroxide would be found in the pantry because it is found in vinegar. THIS IS NOT TRUE
Muhammad (s.a.w) started the spread of islam with his family members and close friends by reciting verses from the Quran to them
