CARBS LIPIDS PROTEINS QUIZ Flashcards
Match the type of bond with its correct description:
a. Ionic i. Electrons transferred to form cations and anions
b. Hydrogen ii. Sharing of electrons between two atoms
c. Covalent iii. Additive attractive forces between H and N or O
a. Ionic i. Electrons transferred to form cations and anions
b. Hydrogen iii. Additive attractive forces between H and N or O
c. Covalent ii. Sharing of electrons between two atoms
Which of these is the simplest hydrocarbon?
a. CH2 c. CO2 e. CH2O
b. C4 d. CH4 f. CH
D. CH4
Which of these functional groups can easily be ionized? (Select all that apply)
a. Carbonyl c. Phosphate e. Amino
b. Hydroxyl d. Carboxyl f. Sulfhydryl
Phosphate, Carboxyl, Amino
A molecule that is the same as its mirror image is called a(n):
a. Isomer c. Stereoisomer
b. Structural isomer d. Chiral molecule
Stereoisomer
Bonds are formed between monomers in carbohydrates, lipids, and proteins via what
process? (Select all that apply)
a. Condensation reactions c. Dehydration synthesis
b. Hydrolysis d. Deamination
Condensation and dehydration
Which of these are not generally classified as macromolecules?
a. Carbohydrates c. Proteins
b. Lipids d. Nucleic acids
Lipids
Which of these carbohydrates has the correct glycosidic linkage?
a. Amylose - beta-1,4 c. Glycogen - alpha-1,4
b. Lactose - alpha-1,2 d. Chitin - alpha-1,6
c, Glycogen - alpha-1,4
Triglycerides are formed by what kind of bond between glycerol and fatty acids?
a. Glycosidic bonds c. Hydrogen bonds
b. Ester linkages d. Dehydration synthesis
b. Ester Linkages
True or false: Saturated fatty acids tend to be solid at room temperature?
True
True or false: Proteins are the predominant molecule in cells?
True
Which of these are usually attached to the central atom in an amino acid? (Select all that
apply)
a. Amino group c. Hydrogen atom
b. Carboxyl group d. Variable R group
All of the Above
Which of these covalent bonds is important for creating the 3-Dimensional shape of a
protein?
a. Hydrogen bonds c. Peptide bonds
b. Disulfide bonds d. Hydrophobic interactions
Disulfide Bonds
Which of these best corresponds to the primary structure of a protein?
a. Interactions between subunits c. Amino acid sequence
b. The functional domain d. Includes alpha-helices and beta-sheets
c. amino acid sequence
Which of these best corresponds to the secondary structure of a protein? (Select all that
apply)
a. Includes alpha-helices c. Includes beta-sheets
b. Gives the protein its function d. Includes random coils
includes alpha helices, includes beta sheets, includes random coils.
Which of these is determined by the tertiary structure of a protein?
a. Protein function c. Protein conformation
b. Protein solubility d. The protein size
d. protein size
Which of these best describes the quaternary structure of a protein?
a. 2 or more polypeptide chains c. Fully denatured
b. Individual protein subunits d. Cannot be modified
2 or more polypeptide chains.
Which of these is responsible for the proper folding of proteins?
a. Albumin c. Chaperonin
b. Denaturation d. Lysozyme
Chaperonin
Proteins linked with carbohydrates are called?
a. Lipoproteins c. Glucoproteins
b. Glycoproteins d. Nucleoproteins
Glycoproteins
