Cyptochrome; the only sensor for blue light.
Roots grow towards gravity [negative]
Shoots grow towards [positive]
Cap has a sttocyle cell
Statocyte cells in the roop cap are used to sense gravity
Have to understand Phototropi
Midterm on 1/27/15
Bring a scantron with 50 questions per side
65 multiple choice questions [130 points]
2 short essays [20 points]
Compare how water and nutrients moves up a tree during hot weather and cold weather
Looking into air potential
4 different categories of soil
Coarse and fine
The gaps between each individual grain are called capillary pores, these pores are filled with water each time they come in contract.
Sand has less pores, while Clay has more.
Ch. 17 is no longer on the study list, don't bother with it from now on. It'll be under resources, but yeah.
Ch. 8 Stomata control of Transpiration
Evaporation occurs when the stomata are open, gas exchange also occurs here, allowing for water and oxyge
Pine trees bind with ectomycohizae
Orchids bind with endomycrohize
Arbuscules do exchange
The plant gives the fungi sugar and the fugui gives the plant an increased surface, which allows for an increased ion/water uptake
This is called mutualism or sym
Found in leaves
Red 660 mm
Far Red 730 mm
How long the days is 'photoperiodism'
Why do plants particularly look for red or blue light?
ex-IAA [only hormone]
Cell elongation- by activating H plus pump which acidfices wall wich activates 'expansins' whci break cross links between cellulose microfibrils [softens wall[ cll uptakes water-stretches
Charles darwin noticed that every p
First living being could have been a cyanobacteria that had chloroplasts which allosed for the creation of glucose through photosytnthesis and relasing oxygen as a waste material
CO2 plus H2O turns to C6H12O6 and O2
Humans do it, pl
Potential Essays for final exam
1. The five classes of pigments
2. Describe the biosynthesis, functions, and transport of the five basica plant hormones. How does auxing cas phtottropism, including a disscussion of the acid growth hypotthese
3. How does
BOT 428 1/5/16
Primary growth: ^ v
Apical meristems shoots and roots
Secondary growth: < >
Vascular cambium and cork cambium = both are the lateral meristems
Lignin = allowed plants to stand up straight. It is inside the primary cell