Briefly summarize the seminal idea presented in Darwin’s famous publication, On the Origin of Species by Means of
Natural Selection.
What will be an ideal response?
ANSWER: Darwin proposed natural selection as the mechanism that drives evolutionary change. Most
of The Origin was an explanation of how natural selection acted on the variability within
groups of organisms, preserving advantageous traits and eliminating disadvantageous ones.
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Taxol is an anti-cancer drug that prevents uncontrolled cell proliferation by stabilizing microtubules, which causes arrest of the cell cycle
If dividing cells are treated with Taxol, at what stage of the cell cycle would you predict the arrest would occur? A. prophase B. metaphase C. anaphase D. telophase E. G1 of interphase
When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed ________.
A. facilitated transport B. phagocytosis C. pinocytosis D. exocytosis E. facilitated diffusion
The organ where you would most likely expect to find actin microfilaments continuous with adherens junctions is the
A) liver. B) stomach. C) kidney. D) brain. E) heart.
Choose the feature of protein synthesis in column 2 that best matches the statement in column 1
A) neither prokaryotic nor eukaryotic protein synthesis B) eukaryotic protein synthesis C) both prokaryotic and eukaryotic protein synthesis D) prokaryotic protein synthesis 1) AUG is the start codon 2) the initial amino acid is N-formylated 3) requires the presence of eIFs for translational initiation 4) peptide bond formation catalyzed by an RNA molecule 5) presence of Shine–Dalgarno sequence 6) mRNA is translated 3? ? 5?