Bio 105 exam 1 practice Exam | Questions & 100% Correct Answers (Verified) | Latest Update | GradeA

The four main categories of bio-molecules are? Correct Answer: Proteins, Nucleic acids, Lipids, Carbohydrates What type of bond holds together the parts of a water molecule? Correct Answer: Polar covalent bond What is the basic unit of structure and function of living things? Correct Answer: A cell If the most common form of Carbon has 6 protons, 6 neutrons, and 6 electrons. Which elements would be an Isotope of carbon? Correct Answer: An atom with 6 protons, 8 neutrons, and 6 electrons The alpha helix and beta represent which level of protein structure? Correct Answer: Secondary structure Which of these are not a lipid? A. Phospholipid 2 B. Cholesteral C. Estrogen D. RNA Correct Answer: D. RNA A hydrophilic molecule... Correct Answer: Will attract to polar molecule Which is the process of by which c