Direction: Read each statement carefully. Write the letter of your answer in your
notebook. 1. The following compounds are biological macromolecules EXCEPT
A. Carbohydrates C. Lipids
B. Carbon Dioxide D. Proteins
2. Which of the following biomolecules is important in muscle building?
A. Carbohydrates C. Nucleic Acid
B. Lipids D. Proteins
3. Carbohydrates contains the following elements EXCEPT
A. Carbon C. Nitrogen
B. Hydrogen D. Oxygen
4. Which of the following monosaccharide is most abundant in nature?
A. Glucose C. Maltose
B. Lactose D. Sucrose
5. A disaccharide which is mainly found in milk and other milk products is
A. Glucose C. Maltose
B. Lactose D. Sucrose
6. Which of the following is the building block of proteins?
A. Amino Acid C. Nucleic acid
B. Enzymes D. Phosphate
7. What macromolecule is represented in the figure below?
Image Retrieved: June 19, 2020 at
https://rb.gy/f7d1ig
A. Carbohydrates C. Nucleic Acid
B. Lipids D. Proteins
notebook. 1. The following compounds are biological macromolecules EXCEPT
A. Carbohydrates C. Lipids
B. Carbon Dioxide D. Proteins
2. Which of the following biomolecules is important in muscle building?
A. Carbohydrates C. Nucleic Acid
B. Lipids D. Proteins
3. Carbohydrates contains the following elements EXCEPT
A. Carbon C. Nitrogen
B. Hydrogen D. Oxygen
4. Which of the following monosaccharide is most abundant in nature?
A. Glucose C. Maltose
B. Lactose D. Sucrose
5. A disaccharide which is mainly found in milk and other milk products is
A. Glucose C. Maltose
B. Lactose D. Sucrose
6. Which of the following is the building block of proteins?
A. Amino Acid C. Nucleic acid
B. Enzymes D. Phosphate
7. What macromolecule is represented in the figure below?
Image Retrieved: June 19, 2020 at
https://rb.gy/f7d1ig
A. Carbohydrates C. Nucleic Acid
B. Lipids D. Proteins
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Answers & Comments
Answer:
1. A
2. D
3. C
4. A
5. B
6. A.
7. A
Explanation:
- Biological macromolecules are important cellular components and perform a wide array of functions necessary for the survival and growth of living organisms. The four major classes of biological macromolecules are carbohydrates, lipids, proteins, and nucleic acids.
- Proteins are the primary building materials of the body.
- Carbohydrates contain only carbon, hydrogen and oxygen atoms; prior to any oxidation or reduction, most have the empirical formula Cm(H2O)n
- The hexose D-glucose is the most abundant monosaccharide in nature.
- Lactose is a major disaccharide present in milk. It is composed of two simple sugars, glucose and galactose.
- The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom
- Monomers are the building blocks of the four basic macromolecules of life- monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, glycerol/fatty acids are the monomers of lipids, and nucleotides are the monomers of DNA.
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