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Class Notes at University of Newcastle

BIOL1002 Lecture Notes - Lecture 1: Meristem, Cell Wall, Tracheid

Vascular tissue functions in support and long-distance transport of water and dissolved nutrients. It moves the products made and stored in ground tissue. The vascular tissue system is made up of two tissues called xylem a...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 1: Ecosystem Services, Light-Independent Reactions, Light-Dependent Reactions

Week 1: Plant form and function Plants are fundamental for all life on Earth, providing the vital services to ecosystems and society. Unlike animals and fungi, plants are autotrophs and produce energy they can have the ...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture 1: week 1 part 5

Protoderm: The protoderm gives rise to the dermal tissue system (the epidermis which produces guard cells). The epidermis is a single layer of cells which protects the plant. Ground meristem: The ground meristem produces t...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture 1: week 1 part 3

Group: Algae Number of species: ~ 11 000 Habitat: Aquatic Adaptation: Holdfast (anchor some algae to surfaces) Algae have a gametophyte dominated life cycle. Group: Bryophytes Number of species: ~ 23 000 Habitat: Amphibiou...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 1: Cyanobacteria, Viridiplantae, Coffee Bean

Plants have been used in medicine for tens of thousands of years e.g. Silphium, first described in Egypt in the 7th century BCE as a general remedy for illness and disease. For 700 years it was cultivated as a medicine and...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 1: Gametangium, Internal Fertilization, Root System

Environmental challenges Structural solutions CO and light aerial 2 Shoot system for photosynthesis. environment. Root system for assimilation of water and mineral ions. Water and mineral ions soil environment. Trafficking...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 2: Casparian Strip, Ectomycorrhiza, Membrane Transport

Mycorrhizal symbiosis Mycorrhiza: a symbiotic relationship between fungus and plants. Plants supply fungus with organic compounds. Fungus supplies the plant with mineral ions that occur at low soil concentrations and in dr...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 2: Water Potential, Root Pressure, Xylem

Pressure diferrences Plant xylem structure is optimised to catch a free ride on the water cycle. Any theory of water transport must account for forces required to raise water to the tops of the tallest trees (100 m). That ...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 2: Aequorea Victoria, Soil Salinity, Genetic Variation

Reporter genes Genes that provide clear evidence that transformation has taken place and should confer a feature that does not occur in the host plant eg. change in colour enabling visualisation like the Green Fluorescent ...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 2: Soil Ph, Lateral Root, Hydrogen Bond

Factors affecting nutrient availability The soil environment sets challenges for water and mineral ion acquisition. The soil is a heterogeneous substrate consisting of: Solid phase: mineral and organic material. Liquid pha...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 2: Boron, Membrane Transport, Phospholipid

Week 2: Nutrient uptake and membrane transport Water and nutrients govern plant productivity. Drought is a key player that is ever-present in the Australian environment and mineral nutrients are pivotal in determining plan...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 3: Pollen Tube, Pollination, Double Fertilization

Pollination Pollen grains are carried by wind, water, or animal to a mature flower, where pollination occurs. During pollination, pollen grain surface proteins interact with stigma surface proteins. Interactions are specif...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 3: Corm, Asexual Reproduction, Plant Reproduction

Plant reproduction Most plants reproduce sexually, but many are also capable of reproducing asexually. Asexual reproduction does not involve fertilization or flowers and results in the production of clonesgenetically ident...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 3: Dicotyledon, Monocotyledon, Endosperm

Unloading Phloem unloading may also require ATP and other membrane transport mechanisms. The membrane proteins involved and mechanism of movement vary among different types of sinks within the same plant, as well as among ...

Biological Sciences
BIOL1002
Liz Burne
BIOL1002 Lecture Notes - Lecture 3: Monopteros, Auxin, Meristem

Monopteros: regulating organ polarity To identify genes involved in establishing the body axes, Arabidopsis mutants with misshapen bodies were studied. The researchers focused on the development of the apical- basal axis...

Biological Sciences
BIOL1002
Liz Burne

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