Ch 4. BiomoleculesWorksheetSee all chapters
All Chapters
Ch.1 - Introduction to Biology
Ch.2 - Chemistry
Ch.3 - Water
Ch 4. Biomolecules
Ch. 5 Cell Components
Ch.7 - The Membrane
Ch.8 - Energy and Metabolism
Ch.9 - Respiration
Ch.10 - Photosynthesis
Ch.11 - Cell Signaling
Ch.12 - Cell Division
Ch.13 - Meiosis
Ch.14 - Mendelian Genetics
Ch.15 - Chromosomal Theory of Inheritance
Ch.16 - DNA Synthesis
Ch.17 - Gene Expression
Ch.18 - Regulation of Expression
Ch.19 - Viruses
Ch.20 - Biotechnology
Ch.21 - Genomics
Ch.22 - Development
Ch.23 - Evolution by Natural Selection
Ch.24 - Evolution of Populations
Ch.25 - Speciation
Ch.26 - History of Life on Earth
Ch.27 - Phylogeny
Ch.28 - Prokaryotes
Ch.29 - Protists
Ch.30 - Plants
Ch.31 - Fungi
Ch.32 - Overview of Animals
Ch.33 - Invertebrates
Ch.34 - Vertebrates
Ch.35 - Plant Anatomy
Ch.36 - Vascular Plant Transport
Ch.37 - Soil
Ch.38 - Plant Reproduction
Ch.39 - Plant Sensation and Response
Ch.40 - Animal Form and Function
Ch.41 - Digestive System
Ch.42 - Circulatory System
Ch.43 - Immune System
Ch.44 - Osmoregulation and Excretion
Ch.45 - Endocrine System
Ch.46 - Animal Reproduction
Ch.47 - Nervous System
Ch.48 - Sensory Systems
Ch.49 - Muscle Systems
Ch.50 - Ecology
Ch.51 - Animal Behavior
Ch.52 - Population Ecology
Ch.53 - Community Ecology
Ch.54 - Ecosystems
Ch.55 - Conservation Biology
Functional Groups
Introduction to Biomolecules
Monomers & Polymers
Nucleic Acids

Practice: The primary building blocks (monomers) of proteins are: 

a) Glucose molecules.

b) Lipids.

c) Nucleotides.

d) Amino acids.

e) None of these.

Practice: Which two functional groups are always found in amino acids?

a) Carbonyl and amino groups.

b) Carboxyl and amino groups.

c) Amino and sulfhydryl groups.

d) Hydroxyl and carboxyl groups.

Concept #3: 5 Protein-Related Terms

Practice: What term is used for an amino acid chain that has greater than 50 covalently linked amino acids?

a) Protein.

b) Peptide.

c) Amino acid.

d) Polypeptide.

Concept #4: Protein Structure

Practice: The specific amino acid sequence in a protein is its:

a) Primary structure.

b) Secondary structure.

c) Tertiary structure.

d) Quaternary structure.

Practice: Which of the following is true of protein structure?

a) Peptide bonds are formed by hydrolysis.

b) Peptide bonds join the amine group on one amino acid with the R group of another amino acid.

c) Secondary protein structures are caused by hydrogen bonding between atoms of the peptide backbone.

d) Tertiary protein structure emerges when there is more than one polypeptide in a protein.

Concept #5: Denatured Proteins & Chaperones

Practice: What is the role of a chaperone protein?

a) Assist in RNA and DNA folding.

b) Assist in membrane transport.

c) Assist in protein denaturation.

d) Assist in dehydration synthesis reactions.

e) Assist in protein folding or re-naturing.