One example of innovation from an unexpectedsource came from the study of tumor-like plantgrowths caused by Agrobacteriumtumefaciens. What information did the study of theplant tumors provide that was critical for plantgenetic engineering?O learning that metastasis is critical for tumorprogressionOlearning how A. tumefaciens uses plant pathways tosynthesize beta caroteneOknowledge of plant tumor suppressor genes and theirrole in tumor developmentOthe ability of A. tumefaciens to integrate its genesinto the plant genome

The correct answer is:- The ability of Agrobacterium tumefaciens to integrate its genes into the…

Answered: One example of innovation from an…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter35: Plant Nutrition

Section: Chapter Questions

Problem 7TYK

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E2F is a transcriptiion factor that activates genes for DNA rep- proteins. In addition with RBR, E2F is one of the controls for G1 to S transition. Why would E2F have a role in totipotyency of plant cells?
Please identify the G2 phase, prophase, prometaphase, metaphase, anaphase, and telophase of the onion root tip cells. Images included. Thank you! :)
During plant cell cytokinesis, a network of parallel microtubules condenses around the select answer Cleavage Furrow Future plane of division Contractile ring . This becomes a site of expansion of the select answer Cleavage Furrow Cell plate Contractile ring , which fuses with the plasma membrane and partitions the cytoplasm into two cells.
Personalized cancer treatments involve identifying specific pathways in an individual tumor and selecting drugs that are effective for the modified pathways. One way to do this is to take culture cells from a biopsy of a specific paient and test the effects of a battery of drugs on the patiets cells in culture. How might heterotypic interactions complicate this strategy? How might cells be cultured differently to minimize these complications (limit 5-6 sentences)?
Excluding leaf senescence, describe three instances of programmed cell death as a part of normal plant development.
Match each of the changes that can contribute to cancer with its correct description. Loss of function of regulators that send old or damaged cells into apoptosis Hyperactivation of signalling pathways that tell the cell to grow and divide 1. Sustaining proliferative signalling Loss of function of structural proteins that anchor cells to surrounding tissue and/or activation of cell migration 2. Evading growth suppressors 3. Activating invasion and metastasis Loss of function of 4. Enabling replicative immortality regulators that stop inappropriate growth and cell division 5. Inducing angiogenesis 6. Resisting cell death Loss of function of regulators that force aging cells to exit the cell cycle and enter GO or replicative senescence 00
+ growth pathway signals generally result in elect one: p a. production of cyclin and CDK proteins p b. production of CDK inhibitors O c. phosphorylation of E2F protein o d. dephosphorylation of RB O e. All of the above
List five main groups of natural plant growth regulators. Write a note ondiscovery, physiological functions and agricultural/horticultural applicationsof any one of them.
Which of the following is false regarding corn plants that were genetically modified to produce the Cry protein? Group of answer choices You would need to add a corn enhancer to the Ti plasmid Reverse transcription of the Cry mRNA is not needed, as corn plants are eukaryotes The gene necessary for Cry protein synthesis is present in all cells of the corn plant, however, it is not expressed in the endosperm You would need to remove tumor inducing genes from the Ti plasmid You would need to add a eukaryotic promoter, active in corn, to the Ti plasmid
discuss the potential role of soy phytoestrogens in cancer.
According to data from genome sequences, cytoplasmic dynein is absent in some plants (e.g.,Arabidopsis) and present in others (e.g.,rice).Does this ﬁnding surprise you? What else might you do to conﬁrm or refute such a statement? How is it possible that higher plant cells could operate without cytoplasmic dynein?
Elaborate the advantage and disadvantages of Nano-Plant Growth Regulator

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