The cohesion-tension theory of water movement helps to explain how water moves from soil into root? Through the phloem Into the guard cells From leaf to root Through the xylem TRUE ANSWER : ? YOUR ANSWER : ?
When guard cells swell evaporation stops stomata open photosynthesis stops stomata close TRUE ANSWER : ? YOUR ANSWER : ?
Phloem is composed of tracheids and vessel elements tracheids and sieve-tube elements vessel elements and companion cells sieve-tube elements and companion cells TRUE ANSWER : ? YOUR ANSWER : ?
Normally CO2 and O2 enter a plant by active transport evaporation diffusion osmosis TRUE ANSWER : ? YOUR ANSWER : ?
Water moves into roots of plants by osmosis active transport pressure flow mechanism diffusion TRUE ANSWER : ? YOUR ANSWER : ?
The evaporation of water from leaves is called tension transpiration pressure flow cohesion TRUE ANSWER : ? YOUR ANSWER : ?
The movement of most minerals, including potassium into root cells is by diffusion osmosis active transport bulk flow TRUE ANSWER : ? YOUR ANSWER : ?
A widely accepted explanation for transport of sugar in phloem is called pressure flow hypothesis cytoplasmic streaming root pressure theory transpiration TRUE ANSWER : ? YOUR ANSWER : ?