Sailors had scurvy, which is caused by a lack of vitamin C. They were cured by lemon juice becaue it contains a lot of vitamin C. Vitamin C evaporates when the lemon juice is boiled so it wouldn't have the same effect.
Answer:
This is because of the presence of a lot of sugar in the diabetic patient's blood stream.
Explanation:
As a test for the presence of simple sugars, Benedict's solution is usually added to the test sample and then heated.
A diabetic patient's body system has a lot of sugar flowing around in the blood stream. His body is unable to get this sugar into the cells for use, because the insulin produced by his pancreas is not enough. As a result his body system has a lot of sugar.
Consequently, whenever the patient urinates, the urine has a high sugar content as opposed to a normal person, whose urine has a low sugar content because of a normal functioning body system.
The high sugar content of the diabetic patient's urine is what gives an intense brick red precipitation with Benedict's reagent.
Answer:
The correct answer is - freshwater snails.
Explanation:
Producers are organisms that produce their own food and not depends on any other organism by the process of photosynthesis such as algae. Primary organisms on the other hand directly depend on the producers for their food and often gt killed by secondary consumers.
Freshwater snails are the perfect example of the primary consumer as they get their food and energy from algae and are the primary source of food and energy for small fishes.
Answer:
The correct answer is "pulmonary fibrosis".
Explanation:
Pulmonary fibrosis is a medical condition characterized by the presence of damage or scars in the lungs' tissue. Pulmonary fibrosis is caused by exposure to particles inhaled primarily in the workplace. The main consequence of pulmonary fibrosis is to lost the ability to breath, caused by the inability of the damaged tissued.
The cell membrane controls what enters and exits the cell.
