BIOL 100 Unit 2 for Final Exam Questions With Complete
Solutions
________ is the cause of about one-third of all cancer deaths.
Exposure to high-energy radiation
Exposure to ultraviolet light
Smoking tobacco
Exposure to viruses Correct Answers Smoking tobacco
A deficiency of water in the body is called:
endocytosis.
diffusion.
dehydration.
hypertension. Correct Answers dehydration
An atom will be least likely to form chemical bonds with other
atoms when:
the number of protons equals the number of neutrons.
the valence shell is full of electrons.
the number of protons equals the number of electrons.
there is only one electron in the valence shell. Correct Answers
the valence shell is full of electrons
Carbon is the basis of organic chemistry and is an important
element in biology because it:
can directly bond with up to four other atoms at the same time.
is the basis of the pH scale.
is so rare.
is the only type of atom found in proteins. Correct Answers can
directly bond with up to four atoms at the same time.
, Chemical work within cells is powered by:
ATP.
CO2.
NADPH.
NAD+. Correct Answers ATP
Enzymes are:
nucleic acids.
lipids.
proteins.
carbohydrates. Correct Answers proteins
Eukaryotic cells differ from prokaryotic cells in that:
only eukaryotic cells are considered to be alive
only eukaryotic cells contain genetic material.
only eukaryotic cells have a nucleus.
only eukaryotes are found on Earth Correct Answers only
eukaryotic cells have a nucleus.
How does ATP provide energy to a cell?
It loses a phosphate group, releasing energy in the process.
It releases electrons, which are a source of energy.
It releases protons, which are used in the mitochondrion to
create energy.
It shuttles electrons across the mitochondrial membrane to
create potential energy. Correct Answers It loses a phosphate
group, releasing energy in the process.
Solutions
________ is the cause of about one-third of all cancer deaths.
Exposure to high-energy radiation
Exposure to ultraviolet light
Smoking tobacco
Exposure to viruses Correct Answers Smoking tobacco
A deficiency of water in the body is called:
endocytosis.
diffusion.
dehydration.
hypertension. Correct Answers dehydration
An atom will be least likely to form chemical bonds with other
atoms when:
the number of protons equals the number of neutrons.
the valence shell is full of electrons.
the number of protons equals the number of electrons.
there is only one electron in the valence shell. Correct Answers
the valence shell is full of electrons
Carbon is the basis of organic chemistry and is an important
element in biology because it:
can directly bond with up to four other atoms at the same time.
is the basis of the pH scale.
is so rare.
is the only type of atom found in proteins. Correct Answers can
directly bond with up to four atoms at the same time.
, Chemical work within cells is powered by:
ATP.
CO2.
NADPH.
NAD+. Correct Answers ATP
Enzymes are:
nucleic acids.
lipids.
proteins.
carbohydrates. Correct Answers proteins
Eukaryotic cells differ from prokaryotic cells in that:
only eukaryotic cells are considered to be alive
only eukaryotic cells contain genetic material.
only eukaryotic cells have a nucleus.
only eukaryotes are found on Earth Correct Answers only
eukaryotic cells have a nucleus.
How does ATP provide energy to a cell?
It loses a phosphate group, releasing energy in the process.
It releases electrons, which are a source of energy.
It releases protons, which are used in the mitochondrion to
create energy.
It shuttles electrons across the mitochondrial membrane to
create potential energy. Correct Answers It loses a phosphate
group, releasing energy in the process.
