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Cell Biology - Chemistry
Test Description: Chemistry of atoms that are responsible for how biological molecules interact.
Instructions: Answer all questions to get your test result.
1) Which of the following is not one of the main atoms that makes up cells?
A
Nitrogen
B
Sodium
C
Hydrogen
D
Oxygen
2) Covalent bonds normally occur between which of the following molecules?
A
A ribose and a phosphate
B
An amino acid and a nucleotide
C
A sodium and a chlorine molecule
D
A sugar and a water molecule
3) What is stored in covalent bonds?
A
Hydrogens
B
Energy
C
Electrons
D
Water
4) A polypeptide chain results from which of the following reactions?
A
A dehydration reaction
B
A hydrogen bonding reaction
C
A non-covalent bond
D
A condensation reaction
5) Interactions between two molecules result in which of the following?
A
Protease reactions
B
Conformational changes in the structure of the interacting molecules
C
Changes in primary structure
D
Changes in secondary structure
6) The primary structure of a protein is composed of which of the following molecules
A
Nucleic acids
B
Polysaccharides
C
Amino acids
D
Phospholipids
7) Hydrophobic force is responsible for which of the following reactions?
A
Processing of proteins in the Golgi
B
Separation of oil and water
C
Mixing of proteins in lipid membranes
D
Interactions between nitrogenous bases in complementary strands of DNA
8) The linkage between two deoxynucleotides results in which of the following?
A
Peptide bond
B
Anhydride
C
Phosphodiester bond
D
Glycosidic linkage
9) The formation of a multiprotein complex made up of 12 different polypeptide chains results from which of the following?
A
Dielectric constants
B
Powerful magnetic forces
C
Non-covalent interactions
D
Covalent bonds
10) The sharing of electrons between two atoms is called which of the following?
A
van der Waals force
B
Hydrogen bond
C
Ionic bond
D
Hydrophobic force
*select an answer for all questions
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