A-Level
CAIE
Biology
03 2024
QP-202403-Biology-P12 · Question 31
Question (excerpt):
Which conditions are needed to allow the mass flow of sucrose in phloem sieve tubes? 31 phloem sieve tube in sinks phloem sieve tube in sources lower hydrostatic pressure lower water potential higher …
Which conditions are needed to allow the mass flow of sucrose in phloem sieve tubes? 31 phloem sieve tube in sinks phloem sieve tube in sources lower hydrostatic pressure lower water potential higher …
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.