phloem loading
Authored by Shanzeh Omar
Biology
5th Grade
Used 5+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
what type of transport occurs in the phloem of sucorse
active tranport
diffusion
translocation
transpiration
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
do companion cells have cell organelles
yes
yes
no
no
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
do sieve tube cells have organelles
yes
no
yes
no
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what does is the other substance transported with sucrose
ions
Na+ ions
H+ ions
minerals
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
why does hydrostatic pressure increase in the phloem
high conc of sucrose in phloem decreases water potential
high conc of sucrose in phloem increases water potential
low conc of sucrose in phloem increases water potential
low conc of sucrose in phloem decreases water potential
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
adaptions of companion cells
they have many mitochondria
They have infolding in nuclear membrane to increase SA for active transport of solutes and many mitochondria to provide the energy for the proton pump
biology
They have infolding in membrane to increase SA for active transport of solutes and many mitochondria to provide the energy for the proton pump
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
what is a source
a part of a plant that has a surplus of sucrose
a part of a plant that has a lot of sucrose
a part of plant that has just enough sucrose
a part of plant which has no sugar
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