Class notes

Homeostasis in plants

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Course
Biol 371 (BIO371)

Institution
University Of Calgary (UCalgary )

Homeostasis in plants. Meticulous notes in chronological order. Contains relevant information present on the exam final. Covers: the nitrogen cycle, translocation, plants in defense, water, and sugar, transport in xylem and phloem.

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Uploaded on December 29, 2022
Number of pages 12
Written in 2022/2023
Type Class notes
Professor(s) Dr. samuel
Contains Homeostasis

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Atomeosttaassiiss in ppllaaintts

Topic4 Plants Dr Samuels Material

why we study plants
Nutrition
farming
using genetic engineering for pest resistance
essential to feedthe evergrowing population ofover 8billion

Homeostasis Regulating the internalenvironment mic roses
to maintain a relativelystable state
Plants controlaspects to maintain homeostasis

temperature
pH
solutes concentration potential

pressure

Plants vs Animal Nutrition
Plants concentrate available nutrients that are present in lowconcentration

Autotrophs synthesis all requiredfood
Atthe primarytrophic level in foodwebs

It filters andonly absorbs whatis essential

absorbs CO2 minerals water etc

Humans cannot syntheze our own methionine

methionine one ofthe essentialaminoacids
used asstartcodon

found in almostall humanproteins

, Essential Elements

nucleic
acids aminoacids

P S
Cast Mgat Feat fest

for
tight forregulationofosmoticwaterpotential
important responsible

Macronutrients

CHO essential
foranylife

N PKS Ca Mg disque ions wat
Micronutrients

Cut CI Ni't very
small amount

used in metabolic reactions
often as catalysts

Micronutrients Macronutrients

Cut CI Nit N P K S Ca Mg
Feat Fest C H O
copper chlorine iron nitrogen Calcium Magnesium
nickel potasian sulfur phosphorus
carbon hydrogen Oxygen

Nitrogen Limitations

NEN triplecovalent bond requires a lot of energy
teak
ygy ofatmosphere a lightning bolt
contains Nz
NEN plantscannot
take and use N

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