327 - 11th Botany Textbook Volume 1

Glossary
Acetyl CoA
Active site
Akinetes
Aleurone
Anamorph
Anisogamy
Apogamy
Apospory
Balausto
Basal body
Biosphere
Buffer
Carcinogen
Chemotaxonomy
Clades
Cladistics
Codon
Coenocytic condition
Dalton
Endosperm
Endospore
Eusporangiate
Fossil
Gametophyte
Genome
Germ
Small, water-soluble metabolite comprising an acetyl group
linked to coenzyme A (CoA).
Region of an enzyme molecule where the substrate binds
and undergoes a catalyzed reaction.
Thick walled, dormant, non motile asexual spores.
Outer layer of the endosperm
Asexual or imperfect state of fungi
Fusion of morphologically and physiologically dissimilar
gametes
Formation of sporophyte from the gametophytic tissue
without the fusion of gametes.
Development of the gametophyte from the sporophyte
without the formation of spores
Fleshy in dehiscent fruit
Structure at the base of cilia and flagella from which
microtubules forming the axoneme radiate
The region of earth on which life exist
A solution of the acid and base form of a compound that
undergoes little change in pH when small quantities of
strong acid or base are added.
Any chemical or physical agent that can cause cancer when
cells or organism s are exposed to it.
Classification based on the biochemical constituents of
plants
Group of species comprising common ancestor and its
descendants
Methodology used to classify organisms into monophyletic
group
Sequence of three nucleotides in DNA or mRNA that specifies
a particular amino acid during protein synthesis; also called
triplet
Aseptate, multinucleate condition
Unit of molecular mass approximately equal to the mass of a
hydrogen atom (1.66 × 10−24 g)
Nutritive tissue for the embryo
Thick walled, resting spores
Sporangium formed from a group of initials
The remains or impression of plant or animal of the past
geological age
The haploid plant body
Complete set of genes in an organism
Protein rich embryo
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