BSC2010 Exam 1 - Dr. Dennis ACTUAL EXAM/ MOSTLY TESTED
QUESTIONS AND CORRECT DETAILED ANSWERS| 100%
CORRECT SOLUTIONS/GRADE A+
The _____ is the basic unit of structure and function in
Cell
an organism
Central Dogma: DNA is transcribed into _____ then
RNA, Protein
translated into a _____
A _____ cell has membrane-enclosed organelles while
a _____ cell is simpler, usually smaller, and does not Eukaryotic, Prokaryotic
contain any membrane-enclosed organelles
Anything that takes up space and has mass is _____ Matter
An _____ is a substance that cannot be broken down to
Element
other substances by chemical reactions
, _____, _____, _____, and _____ are the elements that Carbon, Hydrogen, Nitrogen,
makeup 96% of living matter and Oxygen
_____ are two atoms of an element that differ in the
Isotopes
number neutrons
_____ electrons are those in the outmost shell and are
Valence
responsible for the chemical behavior of the atom
The bond angle of a water molecule is _____ degrees 104.5 degrees
Hydrogen bonds hold water molecules together in a
phenomenon called _____, which is responsible for the Cohesion
transport of water against gravity in plants
_____ is an attraction between different substances, for
Adhesion
example, between water and plant cell walls
In a _____ covalent bond, the atoms share electrons
equally, while in a _____ covalent bond, the atoms do Nonpolar, Polar
not share electrons equally
In any aqueous solution at 25 degrees Celsius, the
product of H+ (hydronium ions) and OH- (hydroxide 10^-14
ions) is constant and can be written: [H+][OH-]=_____
QUESTIONS AND CORRECT DETAILED ANSWERS| 100%
CORRECT SOLUTIONS/GRADE A+
The _____ is the basic unit of structure and function in
Cell
an organism
Central Dogma: DNA is transcribed into _____ then
RNA, Protein
translated into a _____
A _____ cell has membrane-enclosed organelles while
a _____ cell is simpler, usually smaller, and does not Eukaryotic, Prokaryotic
contain any membrane-enclosed organelles
Anything that takes up space and has mass is _____ Matter
An _____ is a substance that cannot be broken down to
Element
other substances by chemical reactions
, _____, _____, _____, and _____ are the elements that Carbon, Hydrogen, Nitrogen,
makeup 96% of living matter and Oxygen
_____ are two atoms of an element that differ in the
Isotopes
number neutrons
_____ electrons are those in the outmost shell and are
Valence
responsible for the chemical behavior of the atom
The bond angle of a water molecule is _____ degrees 104.5 degrees
Hydrogen bonds hold water molecules together in a
phenomenon called _____, which is responsible for the Cohesion
transport of water against gravity in plants
_____ is an attraction between different substances, for
Adhesion
example, between water and plant cell walls
In a _____ covalent bond, the atoms share electrons
equally, while in a _____ covalent bond, the atoms do Nonpolar, Polar
not share electrons equally
In any aqueous solution at 25 degrees Celsius, the
product of H+ (hydronium ions) and OH- (hydroxide 10^-14
ions) is constant and can be written: [H+][OH-]=_____
