Cell Biology - Chemistry: Question Preview (ID: 2257)

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Which of the following is not one of the main atoms that makes up cells?
a) Sodium
b) Hydrogen
c) Nitrogen
d) Oxygen

Covalent bonds normally occur between which of the following molecules?
a) A ribose and a phosphate
b) A sugar and a water molecule
c) An amino acid and a nucleotide
d) A sodium and a chlorine molecule

What is stored in covalent bonds?
a) Energy
b) Electrons
c) Hydrogens
d) Water

A polypeptide chain results from which of the following reactions?
a) A condensation reaction
b) A dehydration reaction
c) A hydrogen bonding reaction
d) A non-covalent bond

Interactions between two molecules result in which of the following?
a) Conformational changes in the structure of the interacting molecules
b) Protease reactions
c) Changes in primary structure
d) Changes in secondary structure

The primary structure of a protein is composed of which of the following molecules
a) Amino acids
b) Polysaccharides
c) Nucleic acids
d) Phospholipids

Hydrophobic force is responsible for which of the following reactions?
a) Separation of oil and water
b) Mixing of proteins in lipid membranes
c) Interactions between nitrogenous bases in complementary strands of DNA
d) Processing of proteins in the Golgi

The linkage between two deoxynucleotides results in which of the following?
a) Phosphodiester bond
b) Anhydride
c) Peptide bond
d) Glycosidic linkage

The formation of a multiprotein complex made up of 12 different polypeptide chains results from which of the following?
a) Non-covalent interactions
b) Dielectric constants
c) Covalent bonds
d) Powerful magnetic forces

The sharing of electrons between two atoms is called which of the following?
a) Ionic bond
b) Hydrogen bond
c) van der Waals force
d) Hydrophobic force

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