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What are the components of the cells, and what do these components do?

So, humans and plants are made up of many cells, and these cells and what are in these cells play a key role in the survival of the organism.Humans and plants share many of the components...

Answered by zeina f. Biology tutor
6526 Views

Name and describe each of the tests used to test for the presence of :starch, lipids and proteins.

Starch- add iodine to the sample. A positive result will give a blue/black solution.Lipids- Add ethanol to the sample and shake well then add water. A positive result indicating the presence of a lipid wi...

Answered by Annabel T. Biology tutor
13458 Views

Explain how the presence of starch can be detected in plants.

Plants store glucose produced by photosynthesis in the form of starch. To test the presence of starch in plants, first heat a leaf in boiling water for 30 seconds followed by boiling it in ethanol for a f...

Answered by Tutor509248 D. Biology tutor
5075 Views

Describe how pregnancy tests sticks work.

Pregnant women produce a hormone called HCG, found in their urine. Monoclonal antibodies are found at the end of pregnancy test sticks. When a pregnant woman urinates on the stick, the monoclonal antibodi...

Answered by Tutor509248 D. Biology tutor
3240 Views

I have prepared a structured Question with 3 sections a-c, see below both Q & A samples

(a) Describe Pseudomonas aeruginosa and its implications in disease.Pseudomonas aeruginosa is a common type of gram-negative bacteria usually found in soil and water. It...

Answered by Ioanna C. Biology tutor
839 Views

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