What type of covalent bond between amino acid side chains (R-groups) functions in maintaining a polypeptide's specific three-dimensional shape?
A) ionic bond
B) hydrophobic interaction
C) van der Waals interaction
D) disulfide bond
E) hydrogen bond
Answer: D
Biology & Microbiology
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Answer the following statement true (T) or false (F)
Biology & Microbiology
Chemical analysis of a bacterial cell detects dipicolinic acid. What is the identity of this structure?
A. Biofilm B. Capsule C. Nucleoid D. Endospore E. Cell wall
Biology & Microbiology
Pressure increases one atmosphere every ________ meters in the ocean
a. 100 b. 10 c. 30 d. 3
Biology & Microbiology
The chemical name for table salt is sodium chloride, or simply NaCl. What type of chemical is NaCl?
A) Compound B) Element C) Molecule D) Ion
Biology & Microbiology