BIO 116 Final Assessment questions with correct answers

Water has an unusually high specific heat. What does this mean? Answer A large amount of heat is required to raise the temperature of water. What is the concentration of hydroxide ions in a solution where pH = 8? Answer 1 × 10-6 M If a polypeptide is said to form an alpha helix or beta sheet, this describes its: Answer Secondary structure How does RNA differ from DNA? Answer Both DNA and RNA contain hydrogen bonds. Polymers are made of monomer subunits that are joined by what type of bonds? Answer covalent bonds Which structure is common to all three domains of life? Answer cell membrane What is the correct order of the exocytosis or secretion pathway? Answer rough ER, Golgi apparatus, transport vesicle, plasma membrane Which can be second messengers? Answer both Ca2+ and cAMP Which best describes the kinetocho