Biomolecules and Enzymes

Match the following terms with the correct biomolecules.

Groups:

(a) Carbohydrates

,

(b) Lipids

,

(c) Proteins

,

(d) Nucleic Acids

• Adenine, Thymine, Guanine, Cytosine

• Glycogen

• Double helix structure

• Phospholipids

• Structural component of cells

• Starch

• Involved in immune response

• Hormone production

• Genetic information

• Transcription and translation

• Long term energy

• DNA and RNA

• Enzymes

• Cellulose

• Insulation

• Sucrose

• Regulate gene expression

• Cell membrane component

• Short term energy

• Used in cell transport

What are the four biological molecules?

• proteins, carbohydrates, lipids, nucleic acids
• A, T, C, G
• water, air, earth, and fire
• Babbidge, Campbell, Grimberg

What is the purpose of an enzyme?

• give permission for the reaction

• raise activation energy

• speed up reactions (catalyst)

• control how many reactions occur

What is being represented by the letter A in the image?

• Substrate
• Enzyme
• Product
• Complex

Monosaccharides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Basic units of lipids.

• nucleotides

• amino acids

• simple sugars

• fatty acids and glycerol

A biological molecule is analyzed, and it is discovered that the molecule is composed of several amino acids. Which of these identifies the biological molecule?

• it is a lipid
• it is a protein
• it is an unsaturated fat
• it is a  monosaccharide

Which of the following biological molecules contains the elements carbon, hydrogen and oxygen?

I. carbohydrates

II. proteins

III. fats

• I and II only

• I and III only

• II and III only

• I, II and III