Questions & Answers (Grade A+)
Physiology -
correct answer ✅Structure meets function
Brownian Motion -
correct answer ✅The constant random movement of molecules
Diffusion -
correct answer ✅Random movements of molecules carries them
from regions of high concentration to regions of low concentration
From high to low
Equilibrium -
correct answer ✅Molecules equally distributed. But still moving.
Speed depends on temperature, pressure, and density
Semi-Permeable Membranes -
correct answer ✅Selective barrier with holes.
Large enough to let water pass
Too small for other molecules
,Biology of Plants Test 2 - TTU Exam
Questions & Answers (Grade A+)
Osmosis -
correct answer ✅Diffusion of water through a semi-permeable
membrane
Osmotic Pressure -
correct answer ✅Force required to move water through semi-
permeable barrier
Plasmolysis -
correct answer ✅Loss of water through osmosis
Water Potential (ψ) -
correct answer ✅Pressure created by osmosis
Surface Tension -
correct answer ✅Why water moves us tubes
Capillary Action -
correct answer ✅Ability of a liquid to flow in a narrow space
without the assistance of gravity
, Biology of Plants Test 2 - TTU Exam
Questions & Answers (Grade A+)
Cohesion -
correct answer ✅Attraction of molecules for other molecules of
the same kind
Responsible for surface tension
Adhesion -
correct answer ✅Attraction of molecules of one kind for molecules
of a different kind
Hydrogen Bond -
correct answer ✅Chemical bond formed when positive hydrogen
atom of polar covalent bond form link with more electronegative
atom (oxygen)
Transpiration -
correct answer ✅Loss of water vapor from leaves into the
atmosphere
Mesophyll -
correct answer ✅Dry out during transpiration, and draw water
from adjacent cells via osmosis