NVCC Biology 101 lecture Final Exam questions with
verified answers
All of the individuals of the same species living within a specified area is known as
a Ans✓✓-population
Living things are divided into three different domains. Which of these domains are
classified as prokaryotes? Ans✓✓-Bacteria and Archaea
Charles Darwin proposed that "descent with modification" resulted when
organisms of a popular species become adapted to their environment because
they possess Ans✓✓-heritable traits that enhance their survival and reproductive
success in the local environment
From the atomic mass, one can deduce the number of ________ in each atom of
an element. Ans✓✓-Protons plus neutrons
The chemical behavior of an atom depends primarily upon which of the
following? Ans✓✓-the number of protons in the nucleus
An atom has 6 electrons in its outer shell. How many unpaired electrons does it
have? Ans✓✓-2
Two atoms that have the same mass number must have the same Ans✓✓-
number of protons + neutrons
,How would acidification of seawater affect marine organisms? Ans✓✓-
Acidification would increase dissolved carbonate concentrations and promote
faster growth of corals and shell-building animals
The reactivity of an atom arises from Ans✓✓-the existence of unpaired electrons
in the valence shell
Which two functional groups are always found in amino acids? Ans✓✓-carboxyl
and amino
which of the following is a correct monomer/polymer pairing? Ans✓✓-
monosaccharide/polypeptide
Polysaccharides, triacylglycerols, and proteins are similar in that they Ans✓✓-are
synthesized from subunits by dehydration reaction
Which of the following polymers lack nitrogen? Ans✓✓-Glycogen
A molecule with the chemical formula C6H12o6 is probably a Ans✓✓-
monosaccharide
Which of the following is the smallest carbohydrate? Ans✓✓-starch
Which of the following large biological molecules will self-assemble into a bilayer
when mixed with water? Ans✓✓-phospholipids
Which of the following molecules lacks amino acid? Ans✓✓-insulin
, There are 20 different amino acids. What makes one amino acid different from
another? Ans✓✓-different side chains (R groups) attached to the carboxyl carbon
Which bonds are created during the formation of the primary structure of a
protein? Ans✓✓-hydrogen bonds
In a normal cellular protein, where would you expect to find a hydrophilic amino
acid such as asparagine? Ans✓✓-on the exterior surface of the protein,
interacting with water
One of the primary functions of RNA molecules is to Ans✓✓-function in the
synthesis of proteins
A nucleotide is composed of Ans✓✓-a nitrogenous base, a phosphate group and
a pentose sugar
Which of the following are purines? Ans✓✓-guanine and adenine
A cell with a abundance of free ribosomes is most likely Ans✓✓-enlarging vacuole
Which structure is the site of the synthesis of proteins destined for export from
the cell? Ans✓✓-rough ER
Which of the following statements correctly describes a function of the Golgi
apparatus? Ans✓✓-protein modification and sorting
verified answers
All of the individuals of the same species living within a specified area is known as
a Ans✓✓-population
Living things are divided into three different domains. Which of these domains are
classified as prokaryotes? Ans✓✓-Bacteria and Archaea
Charles Darwin proposed that "descent with modification" resulted when
organisms of a popular species become adapted to their environment because
they possess Ans✓✓-heritable traits that enhance their survival and reproductive
success in the local environment
From the atomic mass, one can deduce the number of ________ in each atom of
an element. Ans✓✓-Protons plus neutrons
The chemical behavior of an atom depends primarily upon which of the
following? Ans✓✓-the number of protons in the nucleus
An atom has 6 electrons in its outer shell. How many unpaired electrons does it
have? Ans✓✓-2
Two atoms that have the same mass number must have the same Ans✓✓-
number of protons + neutrons
,How would acidification of seawater affect marine organisms? Ans✓✓-
Acidification would increase dissolved carbonate concentrations and promote
faster growth of corals and shell-building animals
The reactivity of an atom arises from Ans✓✓-the existence of unpaired electrons
in the valence shell
Which two functional groups are always found in amino acids? Ans✓✓-carboxyl
and amino
which of the following is a correct monomer/polymer pairing? Ans✓✓-
monosaccharide/polypeptide
Polysaccharides, triacylglycerols, and proteins are similar in that they Ans✓✓-are
synthesized from subunits by dehydration reaction
Which of the following polymers lack nitrogen? Ans✓✓-Glycogen
A molecule with the chemical formula C6H12o6 is probably a Ans✓✓-
monosaccharide
Which of the following is the smallest carbohydrate? Ans✓✓-starch
Which of the following large biological molecules will self-assemble into a bilayer
when mixed with water? Ans✓✓-phospholipids
Which of the following molecules lacks amino acid? Ans✓✓-insulin
, There are 20 different amino acids. What makes one amino acid different from
another? Ans✓✓-different side chains (R groups) attached to the carboxyl carbon
Which bonds are created during the formation of the primary structure of a
protein? Ans✓✓-hydrogen bonds
In a normal cellular protein, where would you expect to find a hydrophilic amino
acid such as asparagine? Ans✓✓-on the exterior surface of the protein,
interacting with water
One of the primary functions of RNA molecules is to Ans✓✓-function in the
synthesis of proteins
A nucleotide is composed of Ans✓✓-a nitrogenous base, a phosphate group and
a pentose sugar
Which of the following are purines? Ans✓✓-guanine and adenine
A cell with a abundance of free ribosomes is most likely Ans✓✓-enlarging vacuole
Which structure is the site of the synthesis of proteins destined for export from
the cell? Ans✓✓-rough ER
Which of the following statements correctly describes a function of the Golgi
apparatus? Ans✓✓-protein modification and sorting
