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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
Oxygen
B
Nitrogen
C
Hydrogen
D
Sodium
2) Covalent bonds normally occur between which of the following molecules?
A
A sodium and a chlorine molecule
B
An amino acid and a nucleotide
C
A ribose and a phosphate
D
A sugar and a water molecule
3) What is stored in covalent bonds?
A
Electrons
B
Energy
C
Water
D
Hydrogens
4) A polypeptide chain results from which of the following reactions?
A
A hydrogen bonding reaction
B
A dehydration reaction
C
A condensation reaction
D
A non-covalent bond
5) Interactions between two molecules result in which of the following?
A
Changes in secondary structure
B
Changes in primary structure
C
Protease reactions
D
Conformational changes in the structure of the interacting molecules
6) The primary structure of a protein is composed of which of the following molecules
A
Phospholipids
B
Nucleic acids
C
Amino acids
D
Polysaccharides
7) Hydrophobic force is responsible for which of the following reactions?
A
Processing of proteins in the Golgi
B
Mixing of proteins in lipid membranes
C
Interactions between nitrogenous bases in complementary strands of DNA
D
Separation of oil and water
8) The linkage between two deoxynucleotides results in which of the following?
A
Phosphodiester bond
B
Peptide bond
C
Glycosidic linkage
D
Anhydride
9) The formation of a multiprotein complex made up of 12 different polypeptide chains results from which of the following?
A
Powerful magnetic forces
B
Non-covalent interactions
C
Dielectric constants
D
Covalent bonds
10) 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
*select an answer for all questions
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