The statement that is FALSE about macromolecules is:
"All macromolecules have the same basic structure."
Different types of macromolecules (such as proteins, nucleic acids, lipids, and carbohydrates) have distinct structures and functions.
Which of the following statements is FALSE about macromolecules?(1 point)
Responses
They are essential for all living organisms.
They are essential for all living organisms.
They all contain the elements carbon, hydrogen and oxygen.
They all contain the elements carbon, hydrogen and oxygen.
They are formed by linking smaller molecules together.
They are formed by linking smaller molecules together.
All macromolecules have the same basic structure.
11 answers
Which of the following is NOT a macromolecule?(1 point)
Responses
Lipid
Lipid
Carbohydrate
Carbohydrate
Sodium
Sodium
Protein
Responses
Lipid
Lipid
Carbohydrate
Carbohydrate
Sodium
Sodium
Protein
The option that is NOT a macromolecule is:
Sodium
Sodium is a chemical element (a metal) and does not fall under the category of macromolecules like lipids, carbohydrates, or proteins, which are large complex molecules made up of smaller units called monomers.
Identify the elements present in each of the following macromolecules(4 points)
Carbon Hydrogen Oxygen Nitrogen Phosphorous
Carbohydrate
Protein
Lipid
Nucleic Acid
Carbon Hydrogen Oxygen Nitrogen Phosphorous
Carbohydrate
Protein
Lipid
Nucleic Acid
Here are the elements present in each of the mentioned macromolecules:
Carbohydrate
- Carbon: Yes
- Hydrogen: Yes
- Oxygen: Yes
- Nitrogen: No
- Phosphorus: No
Protein
- Carbon: Yes
- Hydrogen: Yes
- Oxygen: Yes
- Nitrogen: Yes
- Phosphorus: No
Lipid
- Carbon: Yes
- Hydrogen: Yes
- Oxygen: Yes (though in smaller amounts compared to carbohydrates)
- Nitrogen: No
- Phosphorus: Yes (only in certain types of lipids, such as phospholipids)
Nucleic Acid
- Carbon: Yes
- Hydrogen: Yes
- Oxygen: Yes
- Nitrogen: Yes
- Phosphorus: Yes
This table summarises the presence of these key elements in each type of macromolecule.
Which macromolecule is responsible for storing and transmitting genetic information?(1 point)
Responses
Lipid
Lipid
Protein
Protein
Carbohydrate
Carbohydrate
DNA
Responses
Lipid
Lipid
Protein
Protein
Carbohydrate
Carbohydrate
DNA
The macromolecule responsible for storing and transmitting genetic information is:
DNA
(Note: DNA stands for deoxyribonucleic acid, and it's a type of nucleic acid. If "DNA" was intended as a response, please consider this clarification, but if "nucleic acid" was not listed, please specify).
What is the primary building block of proteins?(1 point)
Responses
Nucleotides
Nucleotides
Fatty acids
Fatty acids
Amino acids
Amino acids
Monosaccharides
Responses
Nucleotides
Nucleotides
Fatty acids
Fatty acids
Amino acids
Amino acids
Monosaccharides
The primary building block of proteins is:
Amino acids
What is the main function of enzymes in biological systems?(1 point)
Responses
To speed up chemical reactions
To speed up chemical reactions
To provide energy
To provide energy
To store genetic information
To store genetic information
To act as structural components
Responses
To speed up chemical reactions
To speed up chemical reactions
To provide energy
To provide energy
To store genetic information
To store genetic information
To act as structural components
The main function of enzymes in biological systems is:
To speed up chemical reactions