BIOL 150 final exam review|| 150 Questions|| Correct 100%(RATED A+)

Which hypothesis was Louis Pasteur testing when he performed the Swan Neck Flask experiments? - ANSWER Microorganisms found on dust particles can contaminate sterile broth. Which of the following best represents the central dogma of biology - ANSWER DNA to RNA to protein. If a cell makes an error in replicating its chromosomes (DNA) and that mutation is passed down to its progeny (daughter cells), this is an example of ____________. - ANSWER vertical descent of genetic information. Organisms that belong to this Domain of Life must have membrane bound organelles - ANSWER Eukarya (or Eukaryote) On a single water molecule (H2O), the bond between the H atom to the O atom is considered _____. - ANSWER A polar covalent bond A scientist is conducting a study to determine how TA study sessions affect students' grades. In this study, the independent variable being tested is ________ and the dependent variable (or effect measured) is ___________. - ANSWER he number of study sessions attended, the students' grades. If an atom has more neutrons than protons, we call that atom a(n)___________. - ANSWER isotope Oxygen has an atomic number of 8. How many valence electrons does it have? - ANSWER 6 ___________ are macromolecules (or polymers found in the cell) which are formed when phosphodiester bonds are created between its monomers. - ANSWER Nucleic Acids The image on the right is an example of a monomer of which macromolecule? - ANSWER A protein All of the statements about RNA are true except for _____. - ANSWER ONLY mRNA The secondary structure of a protein is best described as _________. - ANSWER Alpha helices or beta sheets that form due to hydrogen bonding along the polypeptide backbone. Which of the following statements is FALSE? - ANSWER DNA molecules have a 5' and 3' end but RNA molecules have only 5' ends.