Use your knowledge of nutrients to answer the following questions:
(a) Proteins always contain the elements carbon, hydrogen, oxygen and
(b) Glucose is an example of which type of biomolecule?
(c) An example of a fat-soluble vitamin is
(d) A solution used to test for the presence of glucose is
(e) Calcium and iron are examples of essential - Leaving Cert Biology - Question 1 - 2013
Question 1
Use your knowledge of nutrients to answer the following questions:
(a) Proteins always contain the elements carbon, hydrogen, oxygen and
(b) Glucose is an example ... show full transcript
Worked Solution & Example Answer:Use your knowledge of nutrients to answer the following questions:
(a) Proteins always contain the elements carbon, hydrogen, oxygen and
(b) Glucose is an example of which type of biomolecule?
(c) An example of a fat-soluble vitamin is
(d) A solution used to test for the presence of glucose is
(e) Calcium and iron are examples of essential - Leaving Cert Biology - Question 1 - 2013
Step 1
Proteins always contain the elements carbon, hydrogen, oxygen and
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Answer
Nitrogen. Proteins are complex molecules made up of amino acids, which always include nitrogen in addition to carbon, hydrogen, and oxygen.
Step 2
Glucose is an example of which type of biomolecule?
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Answer
Glucose is classified as a carbohydrate, specifically a monosaccharide. It is a simple sugar that serves as a primary energy source for many organisms.
Step 3
An example of a fat-soluble vitamin is
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Answer
Vitamin A, D, E, or K. These vitamins are soluble in fat and are essential for various bodily functions, including vision and immune function.
Step 4
A solution used to test for the presence of glucose is
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Answer
Benedict's solution or Fehling's solution. These reagents change color in the presence of reducing sugars, including glucose.
Step 5
Calcium and iron are examples of essential
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Answer
Minerals. These elements are vital for various physiological functions, such as bone health and oxygen transport in the blood.
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