In general, grasses are less sensitive to iron limitation. What is the general name for these chelating compounds?
phytosiderophores
What eight essential amino acids do adult humans need to obtain in their diets?
Phenylalanine
valine
threonine
tryptophan
isoleucine
methionine
leucine
lysene
Name and describe two things that are present in seeds that make them less nutritious.
Lectins - bind sugars to make them hard to digest
Protease inhibitors - inhibit enzymatic digestion of protein
List two vitamins not found in plants.
D
B12
Deficiency - pellagra
B3
Deficiency: beriberi
B1
Deficiency: scurvy
C
Deficiency: rickets
D
Deficiency: night blindness
A
What is the compound found in red wine?
resveratrol
Once a signal is perceived by a receptor, the signal must be relayed to other parts of the cell. What are two common ways plants accomplish this signal transduction for many different receptors?
Increase in calcium ion concentration
Protein phosphorylation to relay signals
Blue light is perceived by ( ) receptors. Red light is perceived by ( ) receptors. The chromophore of a phytochrome is a ( ) that undergoes a ( ) to ( ) isomerization.
cryptophore
phytochrome
tetra pyrole
trans to cys
Indole acetic acid is moved through the plant through what?
polar auxin transport
Indole acetic acid can be synthesized from what amino acid?
tryptophan
What chemical core is common to all cytokinins?
Adenine (think Adison!)
The last enzyme in ethylene biosynthesis is called what?
ACC synthase
What two hormones protect agains herbivory?
Jasmonic acid
Salicylic acid
What was the first plant to have its genome completely sequenced?
Arabidopsis thaliana
Plugs mad of ( ) are regularly deposited in the structure as the pollen intracellular contents stream toward the ovule.
callose
Phosphate is stored in many seed types in what chemical form?
Phytate
Cavities and oil glands (orange peels) can form in living plant tissue through the combination of what two processes?
lysigeny
schizogeny
What hormone reverses senescence in a leaf even after a complete loss of chlorophyll?
cytokinins
What class of herbicides inhibits the first enzymatic step of lipid synthesis in grasses?
ACCase inhibitors
What class of herbicides inhibits the fist step in the synthesis of the branched-chain amino acids?
ALS inhibitors (think Tina!)
Glyphosate is a member of which herbicide class?
EPSP synthase inhibitors
DDT is a member of what class of insecticide?
Organochlorine insecticide
The active ingredient in Raid is a member of which class of insecticides?
Pyrethroid insecticides
Organophosphate insecticides as well as many chemical warfare nerve agents inhibit what enzyme?
Acetylcholine esterase
List four different biocide resistance mechanisms that can develop over prolonged periods of time:
metabolize
the target mutates
exports the biocide
behavior modifies (animals)
What are the 6 kinds of acute exposure?
oral
dermal
gas inhalation
vapor inhalation
dust inhalation
ocular
What are the three legs of the plant disease triangle?
host susceptibility
presence of pathogen
favorable environment
How do plant viruses spread inside a plant?
Through plasmodesmata and phloem
Which term of the water potential expression is affected by the synthesis of these compounds?
solute potential (devil fork)
The primary response to heat stress is to synthesize what class of proteins? what do these proteins do?
Chaperones are synthesized to help keep proteins correctly folded under high temperatures
What two dehydrogenase enzymes are activated under oxygen stress?
Lactate
alcohol
Name three types of specialized plant structures in which secondary metabolites are stored.