Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 22, Problem 9TY
Summary Introduction
Introduction: Evolution refers to the changes which can be transferred from the parents to the offsprings. Historically, anatomies of extinct and modern species were compared to understand evolution, but after the arrival of noble methods for analyzing DNA sequences, molecular processes can be taken into consideration to understand evolution. Molecular processes such as mutations and horizontal gene transfer are also some of the factors contributing to evolution.
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Which of the following is true about DNA manipulation? Select the best answer.
A. all of these
B. DNA has never been transferred between different organisms.
C. Transferring DNA from one organism into another always kills the host organism.
D. Whole genomes have been manipulated by humans for centuries; now individual genes ca be inserted into different organisms using a variety of techniques.
E. DNA can't be manipulated.
In nature, the vast majority of individuals within a species have unique genetic codes. In the last few decades, human geneticists have discovered ways to artificially duplicate a genetic code. Two organisms with identical genetic codes might be the result ofA. CloningB. MutationC. Coevolution
The genotype of an organism is best defined as:
A. A subunit of DNA composed of a nitrogenous base, a pentose sugar, and a phosphate
B. An organism’s genetic makeup; its collection of genes that determine its phenotype
C. A segment of DNA that codes for a functional product
D. Actual, expressed physical and biochemical properties of an organism
E. A type of base substitution mutation
Chapter 22 Solutions
Biology
Ch. 22.1 - Prob. 1CCCh. 22.1 - Overview of Evolution Experimental Questions What...Ch. 22.1 - Overview of Evolution Experimental Questions...Ch. 22.1 - Overview of Evolution Experimental Questions...Ch. 22.2 - Prob. 1CSCh. 22.2 - Prob. 1CCCh. 22.2 - Prob. 2CCCh. 22.2 - Prob. 3CCCh. 22.3 - The Molecular Processes Concept Check: Why do...Ch. 22.3 - Prob. 1CS
Ch. 22.3 - Prob. 2CCCh. 22 - Prob. 1TYCh. 22 - Lamarcks vision of evolution differed from Darwins...Ch. 22 - Which of the following scientists influenced...Ch. 22 - Prob. 4TYCh. 22 - Vestigial structures are anatomical structures a....Ch. 22 - Which of the following is an example of a...Ch. 22 - Prob. 7TYCh. 22 - Prob. 8TYCh. 22 - Prob. 9TYCh. 22 - Prob. 10TYCh. 22 - Evolution that results in adaptation is rooted in...Ch. 22 - What is convergent evolution? How does it support...Ch. 22 - Prob. 3CQCh. 22 - Prob. 1COQCh. 22 - Prob. 2COQ
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- When using gene therapy to treat an hereditary disease, the idea is to: A. Introduce the correct gene into the patient's DNA B. Inject the patient with a specific protein to cure the disease. C. Blood transfusions from healthy individuals. D. ntroduce mRNA molecules with the correct genetic information to the patient. E. Introduce a virus to the patient that will specifically destroy mutated cells.arrow_forwardWhich of the following is NOT a method by which bacteria can be resistant to antibiotics? Select one: a. Utilise an alternate pathway of gene expression that is not targeted by the antibiotic. b. Alter the binding site of the antibiotic, to either prevent it binding, or remove it from the site. c. Production of enzymes that bind to and break down the specific antibiotic. d. Production of a cell membrane pump that translocates antibiotics outside the cell. A potential side effect of antibiotic use is a secondary bacterial or fungal infection, usually associated with regions like the skin, upper-respiratory tract or genitalia. What is the most likely reason for the formation of these secondary infections? Select one: a. Antibiotics do not work on viruses, so they are able to establish infections in these locations. b. Organisms that are antibiotic resistant are usually more virulent, meaning they can survive and cause infection. c. The antibiotic kills off normal flora, providing an…arrow_forwardDNA cloning refers to a. making cloned bacteria. b. making cloned sheep or other eukaryotic organisms. c. how they made all those clones of strom troopers in Star Wars universe. d. probably all of the above, but generally, methods of making exact copies of DNA. e. none of the above.arrow_forward
- The advantage of yeast cells over bacterial cells to express human proteins is that: a. yeast cells grow faster b. yeast cells are easier to manipulate genetically c. yeast cells are eukaryotic and modify proteins similarly to human cells d. yeast cells are easily lysed to purify the proteinsarrow_forwardBacterial transformation is a major concern in many medical settings. Why might health care providers be concerned? a. Pathogenic bacteria could introduce diseasecausing genes in non-pathogenic bacteria. b. Antibiotic resistance genes could be introduced to new bacteria to create “superbugs.” c. Bacteriophages could spread DNA encoding toxins to new bacteria. d. All of the above.arrow_forwardGive an example of a benefit of genetic engineering to society anda possible adverse outcome. Discuss.b. Give an example of an ecological benefit and a possible adverseside effect. Discuss.arrow_forward
- Which of the following is a/are false characteristic(s) regarding DNA? A. DNA can be found in both the mitochondria and the cell nucleus of animal cells B. DNA can be partially formed of the nitrogenous base called cytosine C. DNA is required for the process of translation in animal cells D. Both A and C are false E. None of the above (A,B, and C) are falsearrow_forwardWhich of the following statements about coding strands of a gene is false? a. The sequence of the coding strand is complementary to the primary transcript. b. The sequence of the coding strand is complementary to the template strand. c. The coding strand may be on either strand of a given chromosome. d. All of the above are true about the coding strand.arrow_forwardWhich type of phenotypic detection method(s) requires the plate media to NOT have that component in the plate media in order to see if gene transfer has occurred? a Nutritional mutants (i.e., amino acids). b Antibiotic-resistance mutants. c Carbon-source mutants. d A and B. e B and Carrow_forward
- Which letter is correct A. Genetic engineering is preferred because a desired gene to crops may not exist in their species, so conventional agriculture could not be applied. B. Conventional agriculture is preferred because they're natural, and don't have interference in their genome, so they're healthier. C. Genetic engineering is preferred because through it, we can create new species of plants resistant to pests. D. Conventional agriculture is preferred because they produce more crop compared to genetic modifications.arrow_forwardImagine you go to the doctor because you are sick. You get antibiotics, but you hurry out of the hospital as fast as you can so you don’t pick up any antibiotic resistance genes as well. If genes were transferred directly from the environment, you could pick up a resistance gene by breathing the air. What type of gene transfer allows cells to pick up genes directly from the environment? a. Transformation b. Transduction c. Conjugation d. All of the abovearrow_forwardA gene knockout is a genea. whose function has been inactivated.b. that has been transferred to a different species.c. that has been moved to a new location in the genome.d. that has been eliminated from a species during evolution.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license