Bio 1201 Exam 1 Content Review
(Chapters 1-5) UPDATED Questions and
CORRECT Answers
By, mass most of the human body is composed of - CORRECT ANSWER - oxygen
True or false. The most recent phylogenetic data suggests that bacteria and archaea may be more
closely related than archaea and eukarya. - CORRECT ANSWER - false. protists are still
being debated not bacteria/archaea
How many electrons does carbon have in its valence shell? - CORRECT ANSWER -4
In a normal sample of double stranded DNA all of the following are true about the nitrogenous
base pairs - CORRECT ANSWER - # of purines = # of pyrimidines
# of C's = # of G's
# of A's = # of T's
True or False. An alpha helix is held together by hydrogen bonds between the hydrogen atoms of
the amine groups and oxygen atoms in the R groups of the amino acids forming the alpha helix. -
CORRECT ANSWER - False
___________________________________results from interactions between polypeptide chains.
- CORRECT ANSWER - quaternary structure
Characteristics of all life: - CORRECT ANSWER - order, evolution, regulation,
reproduction, energy processing, growth/development, response to the environment
Each level of biological organization has ______________ - CORRECT ANSWER -
emergent properties
, emergent property - CORRECT ANSWER - new properties that arise with each step
upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity
increases
energy - CORRECT ANSWER - capacity to do work
Prokaryotes do not have a - CORRECT ANSWER - nucleus or membrane bound
organelles
inheritance - CORRECT ANSWER - Acquisition of traits by transmission of DNA from
parent to offspring.
Negative feedback - CORRECT ANSWER - a loop in which the response reduces the
initial stimulus; insulin secretion works with this kind of feedback
positive feedback - CORRECT ANSWER - an end product speeds up its own production
homeostasis - CORRECT ANSWER - tendency of life to try and maintain their structure
and regulate their internal environment.
What are the two prokaryotic domains? - CORRECT ANSWER - bacteria and archaea
theory - CORRECT ANSWER - is an explanation of natural events that is based on a
LARGE number of observations and/or experiments.
Scientific method - CORRECT ANSWER - Make observations - Lights don't go on when
you flip the light switch.
Form a hypothesis - Bulb is burned out.
(Chapters 1-5) UPDATED Questions and
CORRECT Answers
By, mass most of the human body is composed of - CORRECT ANSWER - oxygen
True or false. The most recent phylogenetic data suggests that bacteria and archaea may be more
closely related than archaea and eukarya. - CORRECT ANSWER - false. protists are still
being debated not bacteria/archaea
How many electrons does carbon have in its valence shell? - CORRECT ANSWER -4
In a normal sample of double stranded DNA all of the following are true about the nitrogenous
base pairs - CORRECT ANSWER - # of purines = # of pyrimidines
# of C's = # of G's
# of A's = # of T's
True or False. An alpha helix is held together by hydrogen bonds between the hydrogen atoms of
the amine groups and oxygen atoms in the R groups of the amino acids forming the alpha helix. -
CORRECT ANSWER - False
___________________________________results from interactions between polypeptide chains.
- CORRECT ANSWER - quaternary structure
Characteristics of all life: - CORRECT ANSWER - order, evolution, regulation,
reproduction, energy processing, growth/development, response to the environment
Each level of biological organization has ______________ - CORRECT ANSWER -
emergent properties
, emergent property - CORRECT ANSWER - new properties that arise with each step
upward in the hierarchy of life, owing to the arrangement and interactions of parts as complexity
increases
energy - CORRECT ANSWER - capacity to do work
Prokaryotes do not have a - CORRECT ANSWER - nucleus or membrane bound
organelles
inheritance - CORRECT ANSWER - Acquisition of traits by transmission of DNA from
parent to offspring.
Negative feedback - CORRECT ANSWER - a loop in which the response reduces the
initial stimulus; insulin secretion works with this kind of feedback
positive feedback - CORRECT ANSWER - an end product speeds up its own production
homeostasis - CORRECT ANSWER - tendency of life to try and maintain their structure
and regulate their internal environment.
What are the two prokaryotic domains? - CORRECT ANSWER - bacteria and archaea
theory - CORRECT ANSWER - is an explanation of natural events that is based on a
LARGE number of observations and/or experiments.
Scientific method - CORRECT ANSWER - Make observations - Lights don't go on when
you flip the light switch.
Form a hypothesis - Bulb is burned out.
