BSC 2025-2026 FINAL EXAM REVIEW
QUESTIONS WITH VEFIFIED ANSWERS
cell CORRECT ANSWER •The (1) is the basic unit of structure and function in an organism.
RNA, protein CORRECT ANSWER
• Central dogma: DNA is transcribed into (2) then translated into a (3) .
eukaryotic, prokaryotic CORRECT ANSWER • A (4) cell has membrane-
enclosed organelles while a (5) cell is simpler, usually smaller, and does not contain any
membrane-enclosed organelles.
matter CORRECT ANSWER • Anything that takes up space and has mass is (6) .
element CORRECT ANSWER
• An (7) is a substance that cannot be broken down to other substances by chemical rea
ctions.
carbon, hydrogen, oxygen, nitrogen -Dcorrect answer-
• (8) , (9) , (10) , and (11) are the elements tha
t make up 96% of living matter.
isotopes CORRECT ANSWER
• (12) are two atoms of an element that differ in the number of neutrons.
valance CORRECT ANSWER
• (13) electrons are those in the outmost shell and are responsible for the chemical beh
avior of the atom.
105 CORRECT ANSWER • The bond angle of a water molecule is (14) o.
cohesion, adhesion CORRECT ANSWER
• Hydrogen bonds hold water molecules together in a phenomenon called (15) , which is
, responsible for the transport of water against gravity in plants; (16) , however, is an attr
action between different substances, for example, between water and plant cell walls.
nonpolar, polar CORRECT ANSWER
• In a (17) covalent bond, the atoms share electrons equally, while in a (18)
covalent bond, the atoms do not share electrons equally.
10^-14 CORRECT ANSWER • 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-] = (19) .
hydrophilic, hydrophobic CORRECT ANSWER
• A (20) substance has an affinity for water while a (21) substance does n
ot have an affinity for water.
CO2 CORRECT ANSWER
• All carbon enters the biosphere as (22) gas, which is converted to sugar and biological
macromolecules.
tetrahedral, 109.5 CORRECT ANSWER
• When carbon bonds with four molecules of hydrogen, the resulting molecule has a (23)
_ geometry and bond angles of (24) o.
dehydration synthesis CORRECT ANSWER
• A (25) occurs when two monomers bond together through the loss of a water molecul
e.
plants, glycogen CORRECT ANSWER
• Starch is the storage polysaccharide of (26) while (27) is a storage polys
accharide in animals.
alpha, beta CORRECT ANSWER
• Polymers with (28) glucose are helical (as found in potatoes) while polymers with (29)
glucose are straight (as found in wood).
QUESTIONS WITH VEFIFIED ANSWERS
cell CORRECT ANSWER •The (1) is the basic unit of structure and function in an organism.
RNA, protein CORRECT ANSWER
• Central dogma: DNA is transcribed into (2) then translated into a (3) .
eukaryotic, prokaryotic CORRECT ANSWER • A (4) cell has membrane-
enclosed organelles while a (5) cell is simpler, usually smaller, and does not contain any
membrane-enclosed organelles.
matter CORRECT ANSWER • Anything that takes up space and has mass is (6) .
element CORRECT ANSWER
• An (7) is a substance that cannot be broken down to other substances by chemical rea
ctions.
carbon, hydrogen, oxygen, nitrogen -Dcorrect answer-
• (8) , (9) , (10) , and (11) are the elements tha
t make up 96% of living matter.
isotopes CORRECT ANSWER
• (12) are two atoms of an element that differ in the number of neutrons.
valance CORRECT ANSWER
• (13) electrons are those in the outmost shell and are responsible for the chemical beh
avior of the atom.
105 CORRECT ANSWER • The bond angle of a water molecule is (14) o.
cohesion, adhesion CORRECT ANSWER
• Hydrogen bonds hold water molecules together in a phenomenon called (15) , which is
, responsible for the transport of water against gravity in plants; (16) , however, is an attr
action between different substances, for example, between water and plant cell walls.
nonpolar, polar CORRECT ANSWER
• In a (17) covalent bond, the atoms share electrons equally, while in a (18)
covalent bond, the atoms do not share electrons equally.
10^-14 CORRECT ANSWER • 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-] = (19) .
hydrophilic, hydrophobic CORRECT ANSWER
• A (20) substance has an affinity for water while a (21) substance does n
ot have an affinity for water.
CO2 CORRECT ANSWER
• All carbon enters the biosphere as (22) gas, which is converted to sugar and biological
macromolecules.
tetrahedral, 109.5 CORRECT ANSWER
• When carbon bonds with four molecules of hydrogen, the resulting molecule has a (23)
_ geometry and bond angles of (24) o.
dehydration synthesis CORRECT ANSWER
• A (25) occurs when two monomers bond together through the loss of a water molecul
e.
plants, glycogen CORRECT ANSWER
• Starch is the storage polysaccharide of (26) while (27) is a storage polys
accharide in animals.
alpha, beta CORRECT ANSWER
• Polymers with (28) glucose are helical (as found in potatoes) while polymers with (29)
glucose are straight (as found in wood).
