Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 36.6, Problem 3CC
WHAT IF? → Suppose plants were genetically modified to be unresponsive to viral movement proteins. Would this be a good way to prevent the spread of infection? Explain.
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1. Precise words:Find the nonspecific terms in the following sentences. Replace the nonspecific choices with more preciseterms or phrases (It is not necessary to change the sentence structure).(i) All OVE mutants showed enhanced iP concentrations.(ii) Plants were kept in the cold overnight.(iii) To provide proof of concept for our hypothesis, we studied a virus in its host cell.(iv) The present paper reports on continuing experiments that were performed to clarify thissurprising effect.(v) The first transition state is a little lower in energy than the second transition state.
2. Simple words:Improve the word choice in the following examples by replacing the underlined terms or phrases withsimpler word choices (do not change the sentence structure).(i) These data substantiate our hypothesis.(ii) The difference in our results compared to those of Reuter et al. (1995) can be accounted forby the fact that different conditions were used.(iii) For the purpose of discussing cell migration we…
Q6. The bacterium Rhizobium radiobacter is well known to biologists because it has the rather astonishing ability to cause natural genetic engineering. That is, several genes are moved from the bacterial cells directly into the nucleus of cells of many higher plant species. Expression of these transferred genes in the infected plants stimulates cell division, creating a mass of undifferentiated tissue.
Which of the following signals on these transferred genes could be recognized in the plant host cell but not in the original Rhizobium cell?
“TATA” box
transcription terminator hairpin loop
intron splice signals
SD box
A. 1, 2 and 3
B. 1 and 3
C. 2 and 4
D. 4 only
E. All of 1, 2, 3 and 4
Pick two. A species of insect that lives solely on pinesap was found to contain a bacterial symbiont. Genome sequencing of both the host and the symbiont revealed that the symbiont lacked many genes required for energy production, and the host lacked genes for biosynthesis of several essential amino acids. What are the two most likely mechanisms (or, processes) that caused the loss of these genes in each partner?
Variable hypermutation rate
Transduction
Horizontal gene transfer
Natural selection
Horizontal pathogenesis
Coevolution
Selective random drift
Chapter 36 Solutions
Campbell Biology (10th Edition)
Ch. 36.1 - Why is long-distance transport important for...Ch. 36.1 - Prob. 2CCCh. 36.1 - Some plants can detect increased levels of light...Ch. 36.1 - WHAT IF? If you prune a plant's shoot tips, what...Ch. 36.1 - Prob. 5CCCh. 36.2 - If a plant cell immersed in distilled water has a...Ch. 36.2 - Prob. 2CCCh. 36.2 - How would the long-distance transport of water be...Ch. 36.2 - Prob. 4CCCh. 36.3 - Prob. 1CC
Ch. 36.3 - Prob. 2CCCh. 36.3 - Prob. 3CCCh. 36.3 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 36.3 - MAKE CONNECTIONS How are the Casparian strip and...Ch. 36.4 - Prob. 1CCCh. 36.4 - Prob. 2CCCh. 36.4 - WHAT IF? If you buy cut flowers, why might the...Ch. 36.4 - Prob. 4CCCh. 36.5 - Prob. 1CCCh. 36.5 - Prob. 2CCCh. 36.5 - Prob. 3CCCh. 36.5 - WHAT IF? Apple growers in Japan sometimes make a...Ch. 36.6 - How do plasmodesmata differ from gap junctions?Ch. 36.6 - Prob. 2CCCh. 36.6 - WHAT IF? Suppose plants were genetically modified...Ch. 36 - How did the evolution of xylem and phloem...Ch. 36 - Is xylem sap usually pulled or pushed up the...Ch. 36 - Prob. 36.3CRCh. 36 - Prob. 36.4CRCh. 36 - Prob. 36.5CRCh. 36 - By what mechanisms is symplastic communication...Ch. 36 - Prob. 1TYUCh. 36 - Prob. 2TYUCh. 36 - Prob. 3TYUCh. 36 - Photosynthesis ceases when leaves wilt, mainly...Ch. 36 - Prob. 5TYUCh. 36 - A plant cell with a of -0.65 MPa maintains a...Ch. 36 - Compared with a cell with few aquaporin proteins...Ch. 36 - Prob. 8TYUCh. 36 - EVOLUTION CONNECTION Large brown algae called...Ch. 36 - SCIENTIFIC INQUIRY INTERPRET THE DATA A Minnesota...Ch. 36 - SCIENTIFIC INQUIRY Cotton plants wilt within a few...Ch. 36 - WRITE ABOUT A THEME: ORGANIZATION Natural...Ch. 36 - Prob. 13TYU
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- Experiment: In this activity yo Page 5 ze the results of experiments that investigate nutritional requirement of several mutant strains of yeast. The mutations in these strains cause a nutritional requirement for an amino acid, such that the strains will not grow in media that lack one specific amino acid. Any mutant that has a nutritional requirement is called an auxotroph, and is incapable of growing in a "minimal medium" containing only a carbon source (e.g., glucose), a simple nitrogen source (e.g., ammonium sulfate), and various salts and minerals. Such strains can be supported on a medium supplemented with only the missing nutrient or on a "rich" medium that contains amino acids, vitamins, nitrogenous bases, etc. (often in the form of an extract from yeast). The wild-type individual that can synthesize the metabolic component is a prototroph, and is capable of growth on minimal medium. The mutant strains in this activity are unable to synthesize tryptophan, lysine, or histidine;…arrow_forwardPlease help! I think the answers I put are correct, just looking for some verification/explanation..arrow_forwardCan you help? I cannot seem to figure out all of the correct answers. I know lysis and budding is one but what is the other (s)? I am so lost! Thanks! Can Egress by viruses from the host cell occur by lysis or budding? Does egress by viruses immediately kill it? Does egress by viruses from the host cell happen after replication of its protein and genetic components and before assembly into new viruses? Is egress by virus from the host cell part of either lytic or lysogenic cycles?arrow_forward
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- Generalized transduction can transfer: please explain the answer a.any DNA from the host genome b.only phage-specific DNA sequences c.genes flanked by insertion elements d.only genes near the site of integrationarrow_forwarddescribe strategies that are used to manage insect resistance in genetically modified (GM) crops.arrow_forwardDescribe how Agrobacterium-mediated T-DNA transfer accomplish plant transgenesis?arrow_forward
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