Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 8, Problem 2COQ
Biotechnologists are trying to genetically modify C3 plants to convert them to C4 or CAM plants. Why would this be useful? What genes might you introduce into C3 plants to convert them to C4 or CAM plants?
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Students have asked these similar questions
If a scientist wanted to introduce a transgene into a plant, which of these techniques would they be likely to use?
A.) Inject a P element vector into a pollen grain.
B.) Inject a genetically modified nucleus into an enucleated plant cell.
C.) Inject a transgene into a seed.
D.) Infect plant cells with bacteria containing T-DNA.
this is an example of biotechnology: In order to increase the yield of oil from canola, research focused on ways to reduce competition from competitor weed plants. Weeds can be controlled by spraying with a herbicide that interferes with biological processes, like amino acid anabolic reactions, in the plant cells. A mutant of canola that is resistant to herbicides is sometimes grown in fields that are sprayed with the herbicide. The majority of canola in Canada, though, is genetically modified to be resistant to herbicides. also use the link: https://youtu.be/VS3kcwgIwm0
Question:
Evaluating Biotechnologies in Food Systems
As we practice being able to describe choices in Biology you will use this consolidation task to organize details about the advantages and disadvantages of biotechnologies. In an ideal world, all solutions to improving our food system would have no negative consequences. But issues in Biology involve the interaction of many different factors and changes in one…
Bt eggplant is a genetically-modified eggplant developed by Filipino scientists. It was developed to
become pest-resistance containing the gene of the bacterium Bacillus thuringiensis which contains toxins
that are lethal to some insects including the pest bollworm. Currently, it is under controversy because of a
legal battle between its supporters and those who are against it.
Should the government ban the production, commercialization and consumption of the said
product?
Chapter 8 Solutions
Biology
Ch. 8.1 - Core Skill: Modeling The goal of this modeling...Ch. 8.1 - Prob. 2CSCh. 8.1 - Can the Calvin cycle occur in the dark?Ch. 8.2 - Prob. 1CCCh. 8.2 - Prob. 2CCCh. 8.2 - Prob. 3CCCh. 8.2 - Prob. 4CCCh. 8.2 - Why does cyclic photophosphorylation provide an...Ch. 8.2 - Prob. 6CCCh. 8.3 - Prob. 1CC
Ch. 8.4 - Prob. 1CCCh. 8.4 - Prob. 1EQCh. 8.4 - Prob. 2EQCh. 8.4 - Prob. 3EQCh. 8.5 - Prob. 1CCCh. 8.5 - Prob. 2CCCh. 8 - The water necessary for photosynthesis a. is split...Ch. 8 - In PSII, P68o differs from the pigment molecules...Ch. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Prob. 5TYCh. 8 - Prob. 6TYCh. 8 - Prob. 7TYCh. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - Prob. 10TYCh. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Discuss the advantages and disadvantages of being...Ch. 8 - Biotechnologists are trying to genetically modify...
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- To produce transgenic plants, plant tissue is exposed to Agrobacteriumtumefaciens and then grown in media containing kanamycin, carbenicillin, and plant growth hormones. Explain the purpose behind each of these three agents. What would happen if you left out the kanamycin?arrow_forwardGenetically modified organisms (GMOs) are used to create human growth hormone, insulin and clotting factor proteins that are used to treat dwarfism, diabetes and hemophilia respectively. Several crops such as corn and soybean have also been genetically modified in order to facilitate either the management or growth of these crops. Why do you think there is push back or opposition against the use of GM food crops but not in the use of products such as insulin, which is also created using GMOs?arrow_forwardWhat are the disadvantages of using genetic engineering to obtain resistant plants?arrow_forward
- Bacteria are often the preferred hosts for genetic engineering projects by splicing in novel genes from eukaryotes into plasmids, which are moved into competent bacteria. For instance, the gene for human insulin was isolated and moved into a bacterium, which can now produce the much-needed chemical. Previously, type 1 diabetics had to rely on professionals that gathered insulin from human cadavers, cows, and pigs. In order for this feat of genetic engineering to occur, researchers had to start with an unspliced mRNA transcript for h insulin. Agree/Disagree? Explain your response.arrow_forward. Figure 1-7 shows a simplified pathway for argininesynthesis in Neurospora. Suppose you have a specialstrain of Neurospora that makes citrulline but not arginine. Which gene(s) are likely mutant or missing inyour special strain? You have a second strain ofNeurospora that makes neither citrulline nor argininebut does make ornithine. Which gene(s) are mutant ormissing in this strain?arrow_forwardHow can we isolate stem cells and how can we use these cells in the clinic?arrow_forward
- Imagine that there is an E. coli outbreak in your area, and you would like to test the kangkong from your local grocery store. How could you modify this protocol to extract DNA from the kangkong (to identify the species) and check for presence or absence of E. coli.? Keep in mind that (i) E. coli is free-living and not an endosymbiont, and (ii) plant cells are encased in both a cell membrane and cell wall.arrow_forwardUsually, bacteria only make tryptophan when tryptophan is absent or available in low concentration. However, a particular bacterial mutation makes tryptophan all the time whether or not tryptophan is present. What could explain this phenotype? A) the terminator hairpin is unable to form B) the antiterminator hairpin is unable to form C) trpE is mutated D) trpD is mutated E) trpA is mutatedarrow_forwardOkay, maybe GMOs have decent uses but it can't all be good. I've heard all of the following about GMOs. Which ones are realistic concerns? select all that applys a)Some GMO are patented and farmers must buy seeds every year rather than saving them from their crops. b)GMO's cause allergies at a greater rate than crops produced by cross-breeding. c)Inserted genes produce amino acids not found in nature. d)Inserted genes may escape into wild plants near farmed fields.arrow_forward
- Genetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forwardGenetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forwardGenetic transfer via transformation can also be used to map genes along the bacterial chromosome. In this approach, fragments of chromosomal DNA are isolated from one bacterial strain and used to transform another strain. The experimenter examines the transformed bacteria to see if they have incorporated two or more different genes. For example, the DNA may be isolated from a donor E. coli bacterium that has functional copies of the araB and leuD genes. Let’s call these genes araB+ and leuD+ to indicate the genes are functional. These two genes are required for arabinose metabolismand leucine synthesis, respectively. To map the distance betweenthese two genes via transformation, a recipient bacterium is used that is araB− and leuD−. Following transformation, the recipient bacterium may become araB+ and leuD+. This phenomenon is calledcotransformation because two genes from the donor bacterium have been transferred to the recipient via transformation. In this type of experiment, the…arrow_forward
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