55 questions
Which of the following is a macromolecule?
Carbohydrate
Pipid
Deoxyribose
Brotein
Which of the following macromolecules have the elements CHO? Check all that apply.
Protein
Carbohydrates
Nucleic Acids
Lipids
Which role do proteins play in the body?
They provide long-term energy storage.
They provide short-term energy storage.
They provide structure to form DNA and RNA molecules.
They provide structure for body tissue, hair, and fingernails.
Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?
carbohydrates
lipids
nucleic acids
proteins
Salivary amylase is an enzyme in humans that breaks down starches. What substance would humans have difficulty digesting without this enzyme?
lipids
nucleic acids
proteins
carbohydrates
Which statements explain the primary difference between the structure of a nucleic acid and the structure of a protein?
A nucleic acid has alternating base pairs. A protein has alternating peptides.
Nitrogen bases form the backbone of a nucleic acid. Peptides form the backbone of a protein.
Nucleotides link together to form a nucleic acid. Amino acids link together to form a protein.
A nucleic acid is held together by the sugar-phosphate complex. A protein is held together by the carbon-carbon bonds.
In organisms, macromolecules are made up of subunits. Which of these pairs correctly describes how a macromolecule is constructed?
DNA is made up of nucleic acids.
Protein is made up of amino acids.
Nucleic acids are made up of DNA.
Amino acids are made up of protein.
What is used to make molecules and is made of protons, neutrons and electrons?
compounds
atoms
monomers
polymers
Which of the following atoms is best suited for forming large macromolecules?
Hydrogen
Carbon
Oxygen
Nitrogen
What macromolecule is made up of C,H,O,N?
Carbohydrates
Lipids
Proteins
Nucleic acids
What is the function of Carbohydrates?
Long-term energy
Muscle development
Short-term energy
enzyme activity
Which one of the macromolecules are instrumental in the cell membrane?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which one of our macromolecules would you consume in order to receive long-term energy?
Carbohydrates
Lipids
Proteins
Nucleic acids
My monomers are glycerol and fatty acids. Which macromolecule am I?
Carbohydrates
Lipids
Proteins
Nucleic acids
My monomers are monosaccharides. Which macromolecule am I?
Carbohydrates
Lipids
Proteins
Nucleic acids
My monomers consist of a phosphate group, a sugar, and a nitrogenous base. Which macromolecule am I?
Carbohydrate
Lipids
Proteins
Nucleic Acids
Which macromolecule is structured this way?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which macromolecule is structured in this way?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which of the macromolecules are structured in this way?
Carbohydrates
Lipids
Proteins
Nucleic acids
Which of these is most likely an enzyme?
Sucrose
Galactose
Fructose
Amylase
Letter D...
active site
enzyme
substrate
products
Letter B...
active site
enzyme
substrate
products
Letter c...
active site
enzyme
substrate
products