BOT 331 Exam 1 UPDATED ACTUAL
Exam Questions and CORRECT
ANSWERS
Main components of plant structure - CORRECT ANSWER- ✔✔Root and Shoot
plasma membrane - CORRECT ANSWER- ✔✔A selectively-permeable phospholipid bilayer
forming the boundary of the cells
Phospholipids - CORRECT ANSWER- ✔✔a lipid consisting of a glycerol bound to two fatty
acids and a phosphate group.
integral proteins - CORRECT ANSWER- ✔✔embedded in the membrane
peripheral proteins - CORRECT ANSWER- ✔✔bound to the surface of the membrane by
ionic of h bond
Anchored proteins - CORRECT ANSWER- ✔✔bound to membrane via lipid molecule or
fatty acid
Nucleus - CORRECT ANSWER- ✔✔contains genetic material
Transcription - CORRECT ANSWER- ✔✔Information from genes is transcribed into mrna
and used for translation into proteins
Nucleolus - CORRECT ANSWER- ✔✔ribosome synthesis
thykaloids stack to form - CORRECT ANSWER- ✔✔granum
thykaloids have - CORRECT ANSWER- ✔✔chlorophyll and proteins
, Perozisomes - CORRECT ANSWER- ✔✔remove hydrogen from organic substrates and gut
rid of H2O2 w enzyme catalase
Oleosomes - CORRECT ANSWER- ✔✔oil containing bodies
surface tension - CORRECT ANSWER- ✔✔A measure of how difficult it is to stretch or
break the surface of a liquid
tensile strength - CORRECT ANSWER- ✔✔the resistance of a material to breaking under
tension
Capillarity - CORRECT ANSWER- ✔✔combination of surface tension, cohesion, and
adhesion
Diffusion - CORRECT ANSWER- ✔✔Movement of molecules from an area of higher
concentration to an area of lower concentration.
Bulk Flow - CORRECT ANSWER- ✔✔The movement of water due to a difference in
pressure between two locations.
Apoplast Pathway (water movement) - CORRECT ANSWER- ✔✔water movement only
though the interconnected matrix of the cell walls
Transmembrane pathway - CORRECT ANSWER- ✔✔describing a water collection route
where water crosses membranes
symplast pathway - CORRECT ANSWER- ✔✔Water enters the cell cytoplasm through the
plasma membrane. It can then pass through the plasmodesmata from one cell to the next.
Casparian strip - CORRECT ANSWER- ✔✔a band of radial cell wall in the endodermis that
is impregnated with lignin
Exam Questions and CORRECT
ANSWERS
Main components of plant structure - CORRECT ANSWER- ✔✔Root and Shoot
plasma membrane - CORRECT ANSWER- ✔✔A selectively-permeable phospholipid bilayer
forming the boundary of the cells
Phospholipids - CORRECT ANSWER- ✔✔a lipid consisting of a glycerol bound to two fatty
acids and a phosphate group.
integral proteins - CORRECT ANSWER- ✔✔embedded in the membrane
peripheral proteins - CORRECT ANSWER- ✔✔bound to the surface of the membrane by
ionic of h bond
Anchored proteins - CORRECT ANSWER- ✔✔bound to membrane via lipid molecule or
fatty acid
Nucleus - CORRECT ANSWER- ✔✔contains genetic material
Transcription - CORRECT ANSWER- ✔✔Information from genes is transcribed into mrna
and used for translation into proteins
Nucleolus - CORRECT ANSWER- ✔✔ribosome synthesis
thykaloids stack to form - CORRECT ANSWER- ✔✔granum
thykaloids have - CORRECT ANSWER- ✔✔chlorophyll and proteins
, Perozisomes - CORRECT ANSWER- ✔✔remove hydrogen from organic substrates and gut
rid of H2O2 w enzyme catalase
Oleosomes - CORRECT ANSWER- ✔✔oil containing bodies
surface tension - CORRECT ANSWER- ✔✔A measure of how difficult it is to stretch or
break the surface of a liquid
tensile strength - CORRECT ANSWER- ✔✔the resistance of a material to breaking under
tension
Capillarity - CORRECT ANSWER- ✔✔combination of surface tension, cohesion, and
adhesion
Diffusion - CORRECT ANSWER- ✔✔Movement of molecules from an area of higher
concentration to an area of lower concentration.
Bulk Flow - CORRECT ANSWER- ✔✔The movement of water due to a difference in
pressure between two locations.
Apoplast Pathway (water movement) - CORRECT ANSWER- ✔✔water movement only
though the interconnected matrix of the cell walls
Transmembrane pathway - CORRECT ANSWER- ✔✔describing a water collection route
where water crosses membranes
symplast pathway - CORRECT ANSWER- ✔✔Water enters the cell cytoplasm through the
plasma membrane. It can then pass through the plasmodesmata from one cell to the next.
Casparian strip - CORRECT ANSWER- ✔✔a band of radial cell wall in the endodermis that
is impregnated with lignin
