Exam (elaborations) Molecular Biology of the Cell

Complete Test Bank Molecular Biology of
the Cell 6th Edition Alberts Questions &
Answers with rationales (Chapter 1-24)

, Activation Energy - CORRECT ANSWERS-The energy required to start a chemical
reaction

Amino acid - CORRECT ANSWERS-An organic molecule possessing one carboxyl, one
amino, and oe variable group; the monomers of proteins

Anaphase - CORRECT ANSWERS-The stage of mitosis in which sister chromatids are
pulled apart

ATP - CORRECT ANSWERS-Adenosine triphosphate, the main source of energy for
cells

Calvin Cycle - CORRECT ANSWERS-The chemical synthesis of G3P (a precursor to
glucose), using CO2, ATP and NADPH; in the stroma

Cell plate - CORRECT ANSWERS-Two membranes formed across the midline of a
dividing plant cell, between which the new cell wall forms during cytokinesis

Cell respiration - CORRECT ANSWERS-The series of reactions necessary for the
production of ATP within a cell

Cellulose - CORRECT ANSWERS-A structural polysaccharide that composes the cell
walls of plants

Central Vacuole - CORRECT ANSWERS-A membrane-enclosed sac taking up most of
the interior of a mature plant cell and containing a variety of substances important in
plant reproduction, growth, and development

Centrifuge - CORRECT ANSWERS-A device that rotates at various speeds about a
fixed central point; separates liquids from solids, or liquids of different densities from
each other

Centrioles - CORRECT ANSWERS-Two structures in the center of animal cells that
may help organize spindle assembly during cell division

Centromere - CORRECT ANSWERS-The region of the chromosome where the sister
chromatids are joined; also the point of attachment of the spindle fibers during cell
division