BIO 181 - Module 1 and 2 Questions &
Answers
TEM (transmission electron microscopy) provides a thin, two-dimensional section of the object
being studied. Correct Ans-TRUE
DNA in extant prokaryotic cells is circular. Correct Ans-TRUE
Fluorescence microscopy is a form of light microscopy. Correct Ans-TRUE
The presumed first step in the transition of the primitive, proto-prokaryotic cell into the
primitive, proto-eukaryotic cell was the loss of the cell wall. Correct Ans-TRUE
Loss of the cell wall was required for the endomembrane system theory. Correct Ans-TRUE
Ribosomes bound to some of the membrane invaginations in the endomembrane
theory. Correct Ans-TRUE
Finish the sentence based on my lectures: The association of ribosomes with
_________________ invaginations would support the ______________ theory. Correct Ans-
membrane, endomembrane
In an extant prokaryotic cell, the outer boundary of life is the capsule. Correct Ans-FALSE
(Plasma membrane is the outer boundary of life)
SEM (scanning electron microscopy) Correct Ans-digital - can assign pseudocolors - cannot
watch live - hi-res picture
, multi-cellular organisms Correct Ans-live in complex social systems, have division of labor
with different cell types, transmit info between cells by physically touching with receptors
how do you distinguish the front from the back of a cell? Correct Ans-Front: lamellapodia
Back: retraction fibers, nucleus
Scientific Method combines skills of: Correct Ans-observation, analysis, and quantification
In the scientific method you are trying to prove your prediction to be wrong. Correct Ans-
TRUE
Scientific Method: Results may support your prediction/hypothesis but cannot prove it to be
right because Correct Ans-we are still limited by technology. New technology may prove your
prediction as incorrect.
Controlled experiments have __________ variable(s). Correct Ans-only 1
Define Deductive Reasoning: Correct Ans-what is being done today is based on the work of
those that came before. use others data to help prove or disprove your prediction/hypothesis.
Define Inductive Reasoning: Correct Ans-Not based on past works, usually a lucky fluke
The Scientific Method and Deductive Reasoning builds knowledge ________. Correct Ans-
stepwise
Comparative Experiments: Correct Ans-many variables/factors held constant are combined
with data from different sources.
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