MCAT AAMC Bio Exam Practice Questions and Answers

MCAT AAMC Bio Exam Practice Questions and Answers membrane-bound organelles - Correct Answer️️ -What is one characteristic that distinguishes eukaryotic cells from prokaryotic cells? CNS - Correct Answer️️ -Where is pain perceived, neurons in the CNS or PNS? myoglobin - Correct Answer️️ -What is a substance that holds oxygen in muscles and organs? mRNA - Correct Answer️️ -The destruction of what prevents continuous protein production - that allows the cell to change its protein expression over time? timing - Correct Answer️️ -What about the expression of an antisense gene is a key feature in determining if the antisense drug will work? uneven - Correct Answer️️ -Do ova-producing cells of females produce even or uneven division? And have an even or uneven amount of nuclear material? s phase - Correct Answer️️ -The synthesis phase of the cell cycle; the portion of interphase during which DNA is replicated. (especially important in cells with low DNA concentrations) prophase - Correct Answer️️ -In what phase do chromosomes become visible, nuclear envelop dissolves, spindle forms? interphase - Correct Answer️️ -In what phase is it a period of the cell cycle between cell divisions - rest metaphase - Correct Answer️️ -second phase of mitosis, during which the chromosomes line up across the center of the cell and divide, one copy moving to each daughter cell anaphase - Correct Answer️️ -Phase of mitosis in which the chromosomes separate and move to opposite ends of the cell telophase - Correct Answer️️ -the final stage of meiosis when the chromosomes move toward opposite ends of the nuclear spindle transformation - Correct Answer️️ -(genetics) modification of a cell or bacterium by the uptake and incorporation of exogenous DNA - one of the three ways bacteria can exchange genes tranduction - Correct Answer️️ -One of the three ways bacteria can exchange genes, is the process by which DNA is transferred from one bacterium to another by a virus. It also refers to the process whereby foreign DNA is introduced into another cell via a viral vector. conjugation - Correct Answer️️ -One of the three w ways bacteria can exchange genes = involves production of a special pilus by one bacterium and transfer through it of DNA to another bacterium, requires a special gene that is usually present on a plasmid plasmid - Correct Answer️️ -A separate extragenomic strand of DNA not inc