Unit 3 Study Set Weber State HTHS
1110 Silberman Questions and All
Correct Answers 2025-2026 Updated.
Organic compounds are based on _______. - Answer Carbon
How many bonds does carbon form? - Answer 4 bonds
Carbon has a ____ electronegativity so it is more ______. - Answer Low, covalent
What defines an alcohol? - Answer Having a hydroxyl group.
What are the building blocks or life? - Answer Amino acids/proteins, fatty acids & lipids,
carbohydrates and alcohols, nucleic acids. (RNA and DNA).
Amino acids are the __________ of the polymer polypeptides and proteins. - Answer
monomers
Amino acids have an _______ group and a _______ group. - Answer amino
20 amino acids have ____ different -R groups - Answer 20
What is a R group? - Answer The bridging carbon with a unique side chain.
Amino acids are chained together by __________ bonds called _________ bonds. - Answer
covalent bond, peptide bonds.
What is a peptide bonds? - Answer A bond formed by a special case of the general
dehydration synthesis reaction.
Which amino acids are acidic and negatively charged? (2) - Answer Aspartate and glutamate.
What is a glutamate? - Answer A nerve signaling model.
Which amino acids are basic and positively charged? (3) - Answer Lysine, argine, histidine.
, Which amino acids are nonpolar? (10) - Answer Glycine, Alanine, Valine, Leucine, Isoleucine,
Methionine, Phenylalanine, Tryptophan, Proline, Tyrosine
Which amino acids are polar? (5) - Answer Cysteine, Serine, Threonine, asparagine,
Glutamine
What is the primary sequence of a protein? - Answer The sequence of a protein in which the
amino acids are connected.
What is the structure of a primary sequence? - Answer Starts at the amino end, ands with a -
COO- group.
What is an alpha helix? - Answer A spiral structure. hydrogen bonds
What is a beta pleated sheet? - Answer Hydrogen bonds, it looks like a pleated sheet. zig zag
sheet.
What are the four types of interactions which keep proteins folded? - Answer Ionic bonds,
hydrophobic interactions, disulfide linkages. between SH groups on cysteine residues, hydrogen
bonds between polar -R groups.
What is the purpose of protein structure? - Answer the strings must all fit together into a
particular shape in order for the protein to carry out function.
What are protein pockets? - Answer What holds on to particular kind of molecule. they can
hold most anything. Hold enzymes.
What are enzymes? - Answer Chemical catalysts made of proteins.
What do enzymes lower? how? - Answer Activation energy. they create pockets which is a
binding site for the substrates.
What is a cofactor or coenzyme? - Answer a substance that improves the efficiency of
enzymes. Vitamins
Lipids - Answer Biological molecules that are rich in C an dH.
What kind of bonds do C and H form? - Answer Non-polar covalent bonds, with equal
sharing of electrons.
1110 Silberman Questions and All
Correct Answers 2025-2026 Updated.
Organic compounds are based on _______. - Answer Carbon
How many bonds does carbon form? - Answer 4 bonds
Carbon has a ____ electronegativity so it is more ______. - Answer Low, covalent
What defines an alcohol? - Answer Having a hydroxyl group.
What are the building blocks or life? - Answer Amino acids/proteins, fatty acids & lipids,
carbohydrates and alcohols, nucleic acids. (RNA and DNA).
Amino acids are the __________ of the polymer polypeptides and proteins. - Answer
monomers
Amino acids have an _______ group and a _______ group. - Answer amino
20 amino acids have ____ different -R groups - Answer 20
What is a R group? - Answer The bridging carbon with a unique side chain.
Amino acids are chained together by __________ bonds called _________ bonds. - Answer
covalent bond, peptide bonds.
What is a peptide bonds? - Answer A bond formed by a special case of the general
dehydration synthesis reaction.
Which amino acids are acidic and negatively charged? (2) - Answer Aspartate and glutamate.
What is a glutamate? - Answer A nerve signaling model.
Which amino acids are basic and positively charged? (3) - Answer Lysine, argine, histidine.
, Which amino acids are nonpolar? (10) - Answer Glycine, Alanine, Valine, Leucine, Isoleucine,
Methionine, Phenylalanine, Tryptophan, Proline, Tyrosine
Which amino acids are polar? (5) - Answer Cysteine, Serine, Threonine, asparagine,
Glutamine
What is the primary sequence of a protein? - Answer The sequence of a protein in which the
amino acids are connected.
What is the structure of a primary sequence? - Answer Starts at the amino end, ands with a -
COO- group.
What is an alpha helix? - Answer A spiral structure. hydrogen bonds
What is a beta pleated sheet? - Answer Hydrogen bonds, it looks like a pleated sheet. zig zag
sheet.
What are the four types of interactions which keep proteins folded? - Answer Ionic bonds,
hydrophobic interactions, disulfide linkages. between SH groups on cysteine residues, hydrogen
bonds between polar -R groups.
What is the purpose of protein structure? - Answer the strings must all fit together into a
particular shape in order for the protein to carry out function.
What are protein pockets? - Answer What holds on to particular kind of molecule. they can
hold most anything. Hold enzymes.
What are enzymes? - Answer Chemical catalysts made of proteins.
What do enzymes lower? how? - Answer Activation energy. they create pockets which is a
binding site for the substrates.
What is a cofactor or coenzyme? - Answer a substance that improves the efficiency of
enzymes. Vitamins
Lipids - Answer Biological molecules that are rich in C an dH.
What kind of bonds do C and H form? - Answer Non-polar covalent bonds, with equal
sharing of electrons.
