Biology 191 Final Exam questions with
correct answers,24
Imagine a group of wild turkeys. Some can run faster than others and so can escape their
predators better. This process is called - verified answers; natural selection
What is the correct order for organization of life from smallest to largest? - verified answers;
molecule, organelle, cell, organism, population, community
The statement DNA --> mRNA --> protein is referred to as - verified answers; the Central
Dogma
True or false? A scientist is more certain of a theory than a hypothesis. - verified answers; true
Because a water molecule is a polar molecule, _____ bonds form between water molecules -
verified answers; hydrogen
-COOH is an acidic group because it tends to - verified answers; drop off a H+ in solution
organic molecules contain; - verified answers; functional groups, such as -NH2
deoxyribose is a _____ - verified answers; monosaccharide
a ___ _____ is made of three fatty acids, connected by three carbon atoms - verified answers;
fat molecule
,the two chains in DNA are held together by hydrogen bonds - verified answers; between the
nitrogen-containing bases
true or false; both DNA and RNA are made of nucleotides - verified answers; true
prokaryotic cells do not contain a - verified answers; nucleus
how many of the following do eukaryotic cells have? cytoplasm, nucleus, plasma membrane,
ribosomes - verified answers; 4
in eukaryotes, the nucleus contains - verified answers; chromosomes
cellular membrane in a cell that is involved in the synthesis of lipids - verified answers;
smooth ER
a molecule made in the smooth endoplasmic reticulum will be transported in a _____ -
verified answers; transport vesicle
after a molecule is synthesis in the smooth ER, it is modified in the _____ - verified answers;
Golgi body
after the molecule is modified in the Golgi body,it is transported again in a _____ - verified
answers; secretory vesicle
what function do lysosomes serve? - verified answers; the digestion and waste removal of
unwanted "objects" in the cell
, what is the primary function of chloroplasts in plants? - verified answers; photosynthesis
what is the purpose of the middle lamella in plant cell walls? - verified answers; the middle
lamella holds two cells together
when animal cells need to hold securely to each other and not break apart, what are they
most likely to be connected by? - verified answers; desmosomes
cellular membranes are primarily composed of - verified answers; proteins and lipids
true or false; osmosis is a form of diffusion - verified answers; true
mutation accounts for both - verified answers; adaptation and evolution
the term "plastids" is a collective term for - verified answers; chloroplasts, leucoplasts,
amyloplasts.
DNA-containing organelles found in plants that lack pigment and internal structure. may be
used as starch-storage sites. - verified answers; leucoplasts
true or false; light is a form of kinetic energy and chemical is a form of potential energy -
verified answers; true
the term for the randomness of a system is - verified answers; entropy
a catabolic reaction is also an _____ reaction - verified answers; exergonic
adenosine triphosphate is also known as - verified answers; ATP
correct answers,24
Imagine a group of wild turkeys. Some can run faster than others and so can escape their
predators better. This process is called - verified answers; natural selection
What is the correct order for organization of life from smallest to largest? - verified answers;
molecule, organelle, cell, organism, population, community
The statement DNA --> mRNA --> protein is referred to as - verified answers; the Central
Dogma
True or false? A scientist is more certain of a theory than a hypothesis. - verified answers; true
Because a water molecule is a polar molecule, _____ bonds form between water molecules -
verified answers; hydrogen
-COOH is an acidic group because it tends to - verified answers; drop off a H+ in solution
organic molecules contain; - verified answers; functional groups, such as -NH2
deoxyribose is a _____ - verified answers; monosaccharide
a ___ _____ is made of three fatty acids, connected by three carbon atoms - verified answers;
fat molecule
,the two chains in DNA are held together by hydrogen bonds - verified answers; between the
nitrogen-containing bases
true or false; both DNA and RNA are made of nucleotides - verified answers; true
prokaryotic cells do not contain a - verified answers; nucleus
how many of the following do eukaryotic cells have? cytoplasm, nucleus, plasma membrane,
ribosomes - verified answers; 4
in eukaryotes, the nucleus contains - verified answers; chromosomes
cellular membrane in a cell that is involved in the synthesis of lipids - verified answers;
smooth ER
a molecule made in the smooth endoplasmic reticulum will be transported in a _____ -
verified answers; transport vesicle
after a molecule is synthesis in the smooth ER, it is modified in the _____ - verified answers;
Golgi body
after the molecule is modified in the Golgi body,it is transported again in a _____ - verified
answers; secretory vesicle
what function do lysosomes serve? - verified answers; the digestion and waste removal of
unwanted "objects" in the cell
, what is the primary function of chloroplasts in plants? - verified answers; photosynthesis
what is the purpose of the middle lamella in plant cell walls? - verified answers; the middle
lamella holds two cells together
when animal cells need to hold securely to each other and not break apart, what are they
most likely to be connected by? - verified answers; desmosomes
cellular membranes are primarily composed of - verified answers; proteins and lipids
true or false; osmosis is a form of diffusion - verified answers; true
mutation accounts for both - verified answers; adaptation and evolution
the term "plastids" is a collective term for - verified answers; chloroplasts, leucoplasts,
amyloplasts.
DNA-containing organelles found in plants that lack pigment and internal structure. may be
used as starch-storage sites. - verified answers; leucoplasts
true or false; light is a form of kinetic energy and chemical is a form of potential energy -
verified answers; true
the term for the randomness of a system is - verified answers; entropy
a catabolic reaction is also an _____ reaction - verified answers; exergonic
adenosine triphosphate is also known as - verified answers; ATP
