WorksheetsMacromolecules: What you know
Total questions: 10
Worksheet time: 20mins
A carbohydrate is an organic compound that is composed of carbon, hydrogen, and oxygen. The unique structure of carbohydrates makes them useful material for building cell walls in plants. Which of the following is a function of carbohydrates in animals?
Digesting food
Fighting disease
Short-term energy
Transmitting nerve impulses
A scientist analyzing an unknown substance has determined that it consists of carbon, hydrogen and oxygen. During experimentation, she determines that the substance is soluble in oil but not in water. Which of the following macromolecules is the unknown substance most likely to be?
Carbohydrate
Lipid
Nucleic acid
. Protein
Proteins are used to enable movement, provide structure and support, and carry out important chemical reactions inside the body. What is needed in order for the human body to synthesize proteins?
a diet rich in amino acids
minerals and fats in sufficient amounts
sufficient sunlight and water
1,200 calories of nutrients per day
Which phrase below best describes a polymer?
information coded in RNA
molecules made of smaller molecules
individual amino acids
individual parts of a large molecule
Which of the following is not a function of proteins?
Act as enzymes
Act as hormones
Provide movement
Store energy
Which macromolecule encodes the genetic information of a cell?
Nucleic Acid
Carbohydrates
Proteins
Lipids
The presence of which element would be a conclusive sign that nucleic acids are present in a sample?
Carbon
Nitrogen
Phosphorus
Oxygen
What is the main function of lipids?
Store energy
Act as enzymes
Transport materials
Provide structural support
Fats, oils and waxes are an example of which macromolecule?
Lipids
Carbohydrates
Nucleic Acids
Proteins
The monomers of nucleic acids are known as…
Amino acids
Nucleotides
Monosaccharides
Fatty acids
