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95 Cards in this Set
- Front
- Back
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Which came first ?
1.carbon fixation 2. prokaryotic cells 3. sex 4. photosynthesis 5. eukaryotic cells. |
Carbon fixation.
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Which major food crop was cultivated after 100bc
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Sugar beet
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What is essential for the formation of successful graft union
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Formation of continuous vascular connection.
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A breeding line
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is identical in selected genes
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Fruits are derived from what part of the flower
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all parts including ovary wall, sepals, petal and receptacle .
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What is formed from the interfascicular cambium ( the space between the vascular bundles in a young stem)
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vascular cambium.
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What is a crucial event in meiosis
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lining up of the Paired centromeres
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perfect flowers have which parts
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pistil and stamen
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the chemical reactivity of individual fatty acids is reduced by
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forming lipids.
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what structure connects the adjacent cells
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plasmodesmata
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what happens to fatty acids as they become more unsaturated
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their melting point decreases and they become more prone to oxidation because of double bonds.
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what gives rise to secondary growth
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vascular cambium
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the emerging stem of a hypogeal seed is called the
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epicoytl
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branch roots arise from the
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pericycle
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root hair arise from the
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epidermis
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in which of the respiratory reactions is oxygen CONSUMED
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electron transport.
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which carboxylating enzymes is present in C4 carbon fixation
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pep and RuBP
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where does the dark series of reaction take place during photosynthesis
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the liquid stroma of the choloplast.
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where does gylcolisis take place
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cytoplasm.
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what characteristics dictate the paring of nucleotide bases
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size and number of bonds.
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the taxonomic key is based on
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evolutionary changes.
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easily observable plant part that is stable over time
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flower
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soil texture is determined by
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the particle size distribution
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What dominates in angiospersm?
1.haploid 2. diploid 3.gameophyte 4.zygote 5.embryo |
haploid
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starch is different from cellulose in that
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the types of linkages between gyclocitic bonds
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where are fatty acids originally synthesized .
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plastids.
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optimal pH range for soil minerals
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4.5-6
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leachates accumulate in which horizon
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B
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what soil water is available to plants
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capillary water
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what is the driving for for water movement to the top of trees
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transpiration from the leaves
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what three elements comprise 95% of plants dry weight
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carbon, hydrogen , oxygen
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all nitrogen fixing organisms are
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prokaryotes
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most pesticides are used to control
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fungi
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greater photoperiodic changes occur during the year at
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high latitudes
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what controls flowering in a majority of all crop plants
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morphological stage of development
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a striaght chain poly unsaturated fatty acid has what types of double bonds
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trans
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the cork cambium come from what tissue
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secondary phloem
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what prevents water from entering the vascular system thought the apoplastic route
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endodermis
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what process converts energy in light photons or chemical bonds into atp
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chemiosmotic phosphyorlation
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problems with using deficiency symtoms to determine fertilizer needs
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A. Reduction in yield and quality may have occurred when deficiency symptoms appear. B. Deficiency symptoms are often not clear-cut. C. Time between application of fertilizers and response may delay recovery during a critical period of development. D. Productivity may suffer from mild deficiencies without any symptoms appearing. |
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which is NOT a use for water in plants
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storage of chemical energy
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which is NOT an effect of light on plants
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photolysis
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how high can a vacuum pump rise a column of 0C water
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34 feet
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from morning to afternoon on a hot summer day , a tree trunk will
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decrease in diameter
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the water potential of a cell equals what
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turgor pressure plus solute potential
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a corn plant is an example of a
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monoecious plant
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compared to C3 plants, C4 plants have ___
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greater water use efficiency
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in which series of respiratory reactions is carbon dioxide produced
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krebs cycles
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what is the basis of freezing injury
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cellular dehydration
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when should pesticides be applied
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when the predicted damage will exceed the ET
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Fruit are derived from what
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all parts of the flower
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perfect flowers have which parts
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pistil and stamen
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corn plant is an example of
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monoecious plant
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ray flowers in a composite head are usually
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sterile
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what affects the rate of diffusion
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concentration differences across a gradient
resistance of barrier area of barrier |
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what gives rise to secondary growth
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vascular cambium
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cotton is derived from what mature cells
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fibers
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which major food crop has been domesticated in modern times
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sugar beet
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branch roots arise from the
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pericycle
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what protects emerging leaves in the germinating monocot grass seeds
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coleoptile
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photolysis is
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light dissociation of water to produce electrons in PSII
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compared to c3 plants , c4 plants
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have better water use effiencey
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carboxylating enzymes are used during c4 carbon fixation
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Pep and RuBp
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where does the dark series of reactions take place in photosynthesis
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liquid stroma of choloplast.
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natural taxonomic key is based on
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evolutionary relationships
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what is the terminal electron acceptor
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oxygen
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which series of respiratory reactions is CO2 produced
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krebs cycle
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which came first
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Carbon Fixation
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most hexoses are D isomers because
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the hydroxyl group on Carbon 5 is on the Right
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what prevents water from entering the vascular system through an apoplastic route
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endodermis
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where does glycolysis take place
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cytoplasm
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the synthesis and destruction of fatty acids take places with the sequential addition or removal of how many carbons
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2
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the cork cambium arises from what tissue
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secondary phloem
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the biological activity of a PGR is regulated by which factors
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synthesis, conjugation, transport, and destruction
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the primary site of cytokinin synthesis
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root meristem.
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what factors allow IAA to promote BOTH a positive geotropic response in the stem and a negative geotropic response in the roots.
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Basal and Lateral transport
differentiated tissue sensitivity. |
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polypeptides are
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linear string of amino acids
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a straight chain poly unsatruated fatty acid has what types of double bonds
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Trans
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a molecule composed of glucose and fructose is called
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sucrose
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what happens during independent assortment in meiosis
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chromosomes are independently assorted.
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what are three elements that make up 95% of a plants dry weight
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carbon, oxygen, and hydrogen.
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what is benefical effect of modifying a plants shape
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??
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problems with using deficient symptoms to determine fertilizers needs.
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all of the above
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which soil horizon is charcterized by the accumulation of leachates and moderate weathering
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B
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which is the most efficient method of irrigation
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drip
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which is not a use of water in plants
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storage of chemical energy
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alll nitrogen fixing organism are
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prokaryotes
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most pesticides are used to control
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fungi
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which is not an effect of light on plants
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phytolysis
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how high can a pump raise a column of 0C water
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34 feet
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from moring to afternoon on a hot summer day a tree trunk will
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decrease in diameter.
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the water potential of a cell equals
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tugor pressure plus solute potenial
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forces holding water in soils are
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surface attractive forces
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soil texture is determinted
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particle size distribution
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label the nitroggen cycle from left to righ
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atmospheric nitrogen
nitrogen microbes ammonia(mineralization) Nitrate(leaching) dentrification |
