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