Biology A-Level
sieve tube elements and sieve plates
What sieve tube elements and sieve plates means in Biology A-Level, as defined for AQA.
Definition of sieve tube elements and sieve plates
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Reference: AQA
Living cells joined end to end through perforated plates, each element having lost its nucleus and most organelles.
Topics that use sieve tube elements and sieve plates
- Mass transport in plants (AQA A-Level)
Related terms
- cohesion
- companion cells
- Hydrostatic pressure gradients
- Mass flow hypothesis
- Ringing experiments
- Tracer experiments
- Transpiration
- adhesion to the wall
Using sieve tube elements and sieve plates in the exam
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