BSC FSU DENNIS FINAL EXAM
QUESTIONS AND ANSWERS GRADED A+
2026
The _____ is the basic unit of structure and function in an oganism - ANS Cell
Central Dogma: DNA is transcribed into _____ then translated into a _____ - ANS RNA,
protein
A _____ cell has membrane-enclosed organelles while a _____ cell is simpler, usually smaller,
and does not contain any membrane bound organnelles - ANS eukaryotic, prokaryotic
Anything that takes up space is _____ - ANS Matter
An _____ is a substance that cannot be broken down to other substances by chemical reactions
- ANS Element
The elements that make up 96% of living matter - ANS Carbon, Oxygen, Hydrogen, Nitrogen
Two atoms of an element that differ in number of neutrons - ANS Isotopes
Electrons in the outermost shell and are responsible for the chemical behavior of the atom -
ANS Valence electrons
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, Bond angle of water molecule - ANS 104.5
Hydrogen bonds hold water together in a phenomenon called _____, which is responsible for
the transport of water against gravity in plants; _____ however is an attraction between
different substances, for example between water and plant cell walls - ANS Cohesion,
Adhesion
In a _____ covalent bond, the atoms share electrons equally, while in a _____ covalent bond,
the atoms do not share electrons equally - ANS Nonpolar, polar
In any aqueous solution at 25°C the product of H+ (hydronium ions) and OH- (hydroxide ions) is
constant and can be written [H+][OH-]=_____ - ANS H2O
A _____ substance has an affinity for water while a _____ substance does not -
ANS Hydrophilic, hydrophobic
All carbon enters the biosphere as _____ gas, which is converted to sugar and biological
macromolecules - ANS Carbon Dioxide
When carbon bonds with four hydrogen molecules, the resulting molecules has _____ geometry
and bond angles of _____° - ANS Tetrahedral, 105
A _____ occurs when two monomers bond together through the loss of a water molecule -
ANS Dehydration reaction
Starch is the storage polysaccharide of _____ while _____ is a storage polysaccharide in animals
- ANS Plants, Glucose
Polymers with _____ glucose are helical (as found in potatoes) while polymers with _____
glucose are straight (as found in wood) - ANS Alpha, beta
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
QUESTIONS AND ANSWERS GRADED A+
2026
The _____ is the basic unit of structure and function in an oganism - ANS Cell
Central Dogma: DNA is transcribed into _____ then translated into a _____ - ANS RNA,
protein
A _____ cell has membrane-enclosed organelles while a _____ cell is simpler, usually smaller,
and does not contain any membrane bound organnelles - ANS eukaryotic, prokaryotic
Anything that takes up space is _____ - ANS Matter
An _____ is a substance that cannot be broken down to other substances by chemical reactions
- ANS Element
The elements that make up 96% of living matter - ANS Carbon, Oxygen, Hydrogen, Nitrogen
Two atoms of an element that differ in number of neutrons - ANS Isotopes
Electrons in the outermost shell and are responsible for the chemical behavior of the atom -
ANS Valence electrons
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, Bond angle of water molecule - ANS 104.5
Hydrogen bonds hold water together in a phenomenon called _____, which is responsible for
the transport of water against gravity in plants; _____ however is an attraction between
different substances, for example between water and plant cell walls - ANS Cohesion,
Adhesion
In a _____ covalent bond, the atoms share electrons equally, while in a _____ covalent bond,
the atoms do not share electrons equally - ANS Nonpolar, polar
In any aqueous solution at 25°C the product of H+ (hydronium ions) and OH- (hydroxide ions) is
constant and can be written [H+][OH-]=_____ - ANS H2O
A _____ substance has an affinity for water while a _____ substance does not -
ANS Hydrophilic, hydrophobic
All carbon enters the biosphere as _____ gas, which is converted to sugar and biological
macromolecules - ANS Carbon Dioxide
When carbon bonds with four hydrogen molecules, the resulting molecules has _____ geometry
and bond angles of _____° - ANS Tetrahedral, 105
A _____ occurs when two monomers bond together through the loss of a water molecule -
ANS Dehydration reaction
Starch is the storage polysaccharide of _____ while _____ is a storage polysaccharide in animals
- ANS Plants, Glucose
Polymers with _____ glucose are helical (as found in potatoes) while polymers with _____
glucose are straight (as found in wood) - ANS Alpha, beta
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
