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