Bio 105 Exam 1 Questions and Answers 100%
PASS
In order for evolution to occur, there must always be - CORRECT ANSWER-
gametic variability in a population
The statement "all living things are composed of cells, and all cells come from
other cells" is best described as a - CORRECT ANSWER-theory
in pasteur's famous experiment examining growth of bacteria in open-necked
flasks versus swan-necked flasks, which of the following results would have
supported "spontaneous generation?" - CORRECT ANSWER-growth of bacteria
in the swan-necked flask
the major domains of life are - CORRECT ANSWER-Bacteria, Eukarya, and
Archaea
Maintenance of your body temperature at 37 degrees celsius despite outside
temperature fluctuation is an example of - CORRECT ANSWER-homeostasis
the fittest organism, e.g., the fittest lion, is one that - CORRECT ANSWER-is best
adapted to its environment so as to leave the most important offspring
, silicon has an atomic number of 14. how many covalent bonds can silicon form
with other atoms? - CORRECT ANSWER-4
in an atom of a single element - CORRECT ANSWER-the number of neutrons
can vary
the force that holds two members of an ionic bond together is - CORRECT
ANSWER-attraction of opposite charges
when water evaporates from a solution - CORRECT ANSWER-it removes heat
from the solution
if the pH of a solution changes from pH 10 to pH 5, then - CORRECT
ANSWER-the solution has become more acidic
the function of a buffer is to - CORRECT ANSWER-prevent drastic changes in
pH
which of the following factors is responsible for the secondary structure of
proteins - CORRECT ANSWER-hydrogen bonds
the sex hormones testosterone and estrogen are - CORRECT ANSWER-steroids
extreme physical conditions, e.g. high temperatures, typically disrupt enzyme
function due to - CORRECT ANSWER-loss of tertiary structure
complexes of individual polypeptide chains joined to form a single protein
molecule e.g. hemoglobin - CORRECT ANSWER-quaternary structure
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
PASS
In order for evolution to occur, there must always be - CORRECT ANSWER-
gametic variability in a population
The statement "all living things are composed of cells, and all cells come from
other cells" is best described as a - CORRECT ANSWER-theory
in pasteur's famous experiment examining growth of bacteria in open-necked
flasks versus swan-necked flasks, which of the following results would have
supported "spontaneous generation?" - CORRECT ANSWER-growth of bacteria
in the swan-necked flask
the major domains of life are - CORRECT ANSWER-Bacteria, Eukarya, and
Archaea
Maintenance of your body temperature at 37 degrees celsius despite outside
temperature fluctuation is an example of - CORRECT ANSWER-homeostasis
the fittest organism, e.g., the fittest lion, is one that - CORRECT ANSWER-is best
adapted to its environment so as to leave the most important offspring
, silicon has an atomic number of 14. how many covalent bonds can silicon form
with other atoms? - CORRECT ANSWER-4
in an atom of a single element - CORRECT ANSWER-the number of neutrons
can vary
the force that holds two members of an ionic bond together is - CORRECT
ANSWER-attraction of opposite charges
when water evaporates from a solution - CORRECT ANSWER-it removes heat
from the solution
if the pH of a solution changes from pH 10 to pH 5, then - CORRECT
ANSWER-the solution has become more acidic
the function of a buffer is to - CORRECT ANSWER-prevent drastic changes in
pH
which of the following factors is responsible for the secondary structure of
proteins - CORRECT ANSWER-hydrogen bonds
the sex hormones testosterone and estrogen are - CORRECT ANSWER-steroids
extreme physical conditions, e.g. high temperatures, typically disrupt enzyme
function due to - CORRECT ANSWER-loss of tertiary structure
complexes of individual polypeptide chains joined to form a single protein
molecule e.g. hemoglobin - CORRECT ANSWER-quaternary structure
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
