Glossary Terms Pt 1 Flashcards
(20 cards)
What is an ascoma?
The multi-hyphal, sexual reproductive organ of ascomycetes associated with ascospore production.
What is an ascospore?
The sexual spore of ascomycetes produced internally within an ascus.
What is an ascus?
The cell of ascomycetes within which ascospores are produced immediately following nuclear fusion and meiosis.
What does autotrophic mean?
A mode of nutrition in which all organic requirements are synthesised from CO2.
What is an avirulence gene?
A gene of a pathogen that encodes a product recognized by the product of a plant resistance gene.
What does avirulent mean?
See virulent.
What is an axillary bud?
A bud situated in the axil of a leaf, in the angle between the upper side of the leaf and the stem.
What is the base of a plant organ?
The end of a plant organ nearest the seed from which that plant grew.
What is a basidioma?
The multi-hyphal, sexual reproductive organ of basidiomycetes associated with basidiospore production.
What is a basidiospore?
The sexual spore of basidiomycetes produced and borne externally on a basidium.
What is a basidium?
The cell of basidiomycetes which produces basidiospores externally immediately following nuclear fusion and meiosis.
What does basipetal mean?
Towards the base.
What is the beta- (B) prefix?
A prefix to designate the chirality at carbon atom no 1 of a sugar residue such as glucose.
What is a bioassay?
A test for a substance based on its ability to induce some response in living cells.
What is biotrophy?
A mode of nutrition in which living host cells are used as a nutrient resource.
What is a bract?
A leaf-like structure immediately below a flower or inflorescence.
What is a calyx?
The collective name for all the sepals of an individual flower.
What is cambium?
A cylinder of meristematic tissue that forms the secondary tissues in woody plants.
What is a carpel?
One of the individual floral organs of the fourth floral whorl, collectively making up the ovary.
