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37 Cards in this Set
- Front
- Back
One major advantage of using Arabidopsis thaliana as a model system for studies of plant for and function is its |
Fast generation time |
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Which of the following is derived from the ground tissue system? |
Pith |
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Which parts of a plant absorbs most of the water and minerals taken up from the soil? |
Root hairs
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Vascular plant tissue includes all of the following except |
Cambrium cells |
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Which cells are no longer capable of carrying out the process of DNA transcription? |
Tracheids |
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CO2 Enters the inner spaces of the leaf through the... |
Stoma |
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Which of the following cells transport sugars over long distances? |
Sieve-tube elements |
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Which structure is incorrectly paired with its tissue system? |
Companion Cell= ground tissue |
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Land plants are composed of all of the following tissue types except |
Mesodermal |
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When you eat brussel sprouts, what are you eating? |
Large axillary buds |
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Which of the following have unevenly thickened primary walls that support young, growing parts of the plant |
Collenchymal Cells |
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Which of the following are most responsible for supporting mature, non growing parts of the plant? |
Trachieds and vessel elements |
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The vascular bundle in the shape of a single cylinder in a room is called the... |
Stele |
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One important difference between the anatomy of roots and the anatomy of leaves is that... |
A waxy cuticle covers leaves but is absent from roots |
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A student examining leaf cross sections under a microscope finds many loosely packed cells with relatively thin cell walls. The cells have numerous chloroplasts. What type of cells are they? |
Parenchyma |
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A vessel element would likely lose its protoplast in which section of a root? |
Zone of maturation |
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Gas exchange, which is necessary for photosynthesis, can occur most easily in which leaf tissue? |
Spongy mesophyll |
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Which of the following best describes advantages conferred by compound versus simple leaves? |
There's a greater chance of capturing photons in intermittently shady areas and less of a chance of damage in high-wind areas |
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Plants contain meristems whose major function is to |
Produce more cells |
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A cell that is most likely to retain the ability to divide, perform metabolic functions, and store photosynthate would be a... |
Parenchymal cell in a leaf |
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The driving force that pushes the root tip through the soil is primarily... |
Elongation of cells behind the root apical meristem |
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Shoot elongation in a growing bud is due primarily to... |
Cell elongation localized in each interlude |
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Which of the following root tissues gives rise to lateral roots? |
Pericycle |
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Pores on the leaf surface that function in gas exchange are called.. |
Stomata |
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All of the following types of cells are correctly matched with their functions except... |
Companion cells--formation of secondary xylem and phloem |
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A person working with plants may reduce the inhibition of apical dominance by auxin via which of the following? |
Pruning the shoot tips |
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What effect does "pinching back" have on a house plant? |
Stimulates lateral buds to grow |
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Cells produced by lateral meristems are known as... |
Secondary tissue |
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What tissue makes up most of the wood of a tree? |
Secondary xylem |
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If you were able to walk into an opening cut into the center of a large redwood tree, when you exit from the middle of the trunk outward, you would cross, in order... |
The annual rings, new xylem, vascular cambium, phloem, bark |
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According to the ABC model of floral development, which genes would be expressed in a showy ornamental flower with multiple sepals and petals but no stamens or carpels? |
A and B genes only |
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A mutation only allows A gene activity in a developing flower, which flower part(s) will develop? |
Sepals |
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Based on the ABC hypothesis, what would be the structure of a flower from the outermost whorl that had normal expression of genes A and C and expression of B in all four whorls? |
Petal-petal-stamen-stamen |
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The phase change of a meristem from the juvenile to mature vegetative phase is revealed by... |
a change in the morphology of the leaves produced |
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Before differentiation can begin during the processes of plant cell and tissue culture, parenchyma cells from the source tissue must... |
Undergo de-differentiation |
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George removed a ring around the tree that caused the tree to die. What was the ring made of? |
Xylem |
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Most of the growth of a plant body is the result of |
cell elongation |