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Botany Final Exam - Fall 2011
Botany Final Exam
86
Biology
Undergraduate 2
12/11/2011

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Cards

Term
If a cell is prokaryotic and has no peptidoglycan in the cell wall, what domain is it classified in?
Definition
Domain Archaea
Term
According to Whittakers 5 kingdom system, what kingdom are all prokaryotic organisms classified in?
Definition
Monera
Term
Plasmodial slime molds, cellular slime molds and water molds are all classified as what?
Definition
Fungal protistans
Term
Who discovered the relationship of Archaean bacteria to typical bacteria?
Definition
Oparin and Haldane
Term
What 3 gases were circulated in the distillation apparatus of the Miller & Urey experiment?
Definition

NH3

H2

CH4

Term
What monomer was synthesized by the Miller & Urey experiment? (Building block of protiens)
Definition
Amino Acids
Term
What is a microsphere?
Definition
Protobiont consisting of a boundary of protiens
Term
What type of molecules are considered to be important in the early synthesis of RNA?
Definition
Ribozymes
Term
What is the template for transcription in the central dogma?
Definition
DNA
Term
The first cell on earth has been considered to have been a _____________.
Definition
Photoautotroph
Term
What's an organelle that prokaryotic cells do not have?
Definition
Mitochondria
Term
What are methanogens an example of?
Definition
Archaea
Term
What are the cell walls of Domain Bacteria made of?
Definition
Peptidoglycan
Term
What color will gram + bacteria stain?
Definition
Blue-purple
Term
What color will gram - bacteria stain?
Definition
Red-pink
Term
What is the subgroup of proteobacteria that includes Rhizobium?
Definition
Alpha
Term
What bacteria causes the most common STD?
Definition
Chlamydia
Term
What clade are chloroplasts cinsidered to have evolved from?
Definition
Alpha proteobacteria
Term
What is a method of bacterial gene transfer that involves virus vectors?
Definition
Transduction
Term
What are 3 characteristics of bacterial flagella?
Definition

9 +2 microtubules

Membrane sheath

undulate

Term
What is the counter stain of the gram stain?
Definition
Crystal violet
Term
A predator bacterium that bores into its bacterial prey is classified in which subgroup of proteobacteria?
Definition
Delta
Term
What is a characteristic of Eugleozoa?
Definition
A crystalline rod in he flagellum
Term
What are diatoms?
Definition
Two-part shells of hydrated silica, bearing striae
Term
What are dinoflagellates?
Definition
"Whirling barrels" with internal cellulose plates
Term
What has an eyespot, numerous chloroplasts, and a pellicle?
Definition
Euglenids
Term
What is typically used as an algal wrap for sushi?
Definition
Porphyra
Term
What are "jewel boxes" of pennate and centric symmetry?
Definition
Diatoms
Term
What substance causes coralline algae's cell walls to harden?
Definition
Calcium Carbonate
Term
What is the polysaccharide cell wall substance used in making bacterial media?
Definition
Agar
Term
Green hemicells are characteristic of what alagal group?
Definition
Desmids
Term
What pigment gives red algae their color?
Definition
Phycoerythrin
Term
What type of life cycle is shown by a typical fungus?
Definition
Zygotic
Term
What are the threadlike tubes that make up the body of a fungus?
Definition
Hyphae
Term
Give characteristics of a watermold.
Definition

Filamentous body

Tubular sporangia

Oogonia and antheridia

Term
What is the cell wall of fungi made of?
Definition
Chitin
Term
Sporangiophore, sporangia, columnella and spores are structures that are associated in the asexual reproductiom in what phylum?
Definition
Zygomycota
Term
Conidia is an example of what?
Definition
An asexual spore
Term
What fungus is associated with the Salem witch trials?
Definition
Ergot
Term
What hallucigenic drug was associated with the Salem witch trials?
Definition
LSD
Term
Truffles are an example of what phylum?
Definition
Ascomycota
Term
What is the presence of 2 nuclei in each cell as a result of plasmogamy called?
Definition
Dikaryon
Term
What phylum does an earthstar belong to?
Definition
Basidiomycota
Term
What type of spores line the gill filaments of a mushroom?
Definition
Basidiospores
Term
What's the only true fungi group that has a flagellated stage?
Definition
Chytridomycota
Term
What is the typical chromosome number of a gametophyte?
Definition
Haploid
Term
Where does meiosis occur in the typical plant life cycle?
Definition
Sporangia
Term
What is a characteristic of Psilotum?
Definition
Dichotomous branching
Term
Selaginella has what type of life cycle?
Definition
Heterosporous life cycle
Term
Female gametophytes in the liverwort Marchantia produce their sex organs on what?
Definition
An archegoniophore
Term
What are sperm produced by in plants?
Definition
Antheridia
Term
What do mosses use as a mechanism for spore dispersal?
Definition
Peristomal teeth
Term
What is a fiddlehead?
Definition
Young fern leaf
Term
What are characteristics of a liverwort sporophyte?
Definition

Short foot and seta

Small globose capsule with elaters for spore dispersal

Term
What plant has ribbed, jointed hollow stems?
Definition
Equisetum
Term
What plant has tri-lobed sporangia?
Definition
Psilotum
Term
What do ferns use as a mechanism for spore dispersal?
Definition
Annulus
Term
What is the simplest vascular plant on earth today?
Definition
Psilotum
Term
What structures do liverworts have associated with asexual reproduction?
Definition
Gemmae cups
Term
What are characteristics of moss sporophytes?
Definition

Elongated slender seta

Simple capsule with an operculum at the apex

Term
What's the shape of fern gametophytes?
Definition
Heart shaped
Term
Mass-flow or pressure-flow are terms used to explain the movement of sucrose from the source to the sink in what cell types?
Definition
Sieve tube members
Term
Where are parallel veins found?
Definition
Monocot leaves
Term
A pollen tube with two sperm is which life cycle stage?
Definition
Male gametophyte
Term
What is the female part of the flower?
Definition
Pistil
Term
Where is mesophyll found?
Definition
Leaves
Term
If a plant organ has both a cortex and a pith, then it's a ____________.
Definition
Dicot stem
Term
What are developing seeds of angiosperms enclosed in?
Definition
Ovary
Term
What cells are living at maturity, have primary walls, function in metabolic activities and are found throughout the plant body?
Definition
Parenchyma
Term
What is the upward push generated in xylem sap in the stele reffered to as?
Definition
Root pressure
Term
What is the dominant phase in the life cycle of a seed plant?
Definition
Sporophyte
Term
What are ovuliferous scales associated with?
Definition
Seed cones
Term
Where is a seed derived from?
Definition
Ovule
Term
The primary root of a seedling develops from what embryonic organ?
Definition
Radicle
Term
What is the generalized cell type to which a fiber or sclerid belongs?
Definition
Sclerenchyma
Term
What is the tissue that actively loads ions into the vascular cylinder which is essential in creating root pressure?
Definition
Endodermis
Term
What epidermal cells regulate gas exchange?
Definition
Guard Cells
Term
Where are companion cells and sieve tube members found?
Definition
Phloem
Term
What are water conducting cells in pine stems called?
Definition
Vessels
Term
What is transpiration?
Definition
Evaporation of water molecules through the stomata
Term
What is the 8-celled female gametophyte of an angiosperm?
Definition
Embryo sac
Term
In double fertilization, the sperm that unites with 2 polar nuclei results in the triploid __________.
Definition
Endosperm
Term
What type of pressure is generated in leaves as a result of transpiration?
Definition
Negative pressure
Term
What is the male part of the flower?
Definition
Stamen
Term
What tissue develops from the procambium meristem?
Definition
Primary phloem
Term
Where is pericycle tissue found?
Definition
Roots
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