Briefly describe why natural selection results in bacteria that are resistant to antibiotics. How does this...
Briefly describe why natural selection results in bacteria that are resistant to antibiotics. How does this relate to the characteristics of life?
Homework Answers
The evolution plays a major driver for antibiotic resistance via natural selection. The antibiotic resistance is an environmental pressure by which bacteria will acquire mutation allowing them to survive which leads to their propagation. This mutation acquired through natural selection is passed to their offspring which will generate a fully resistant bacterial species.
Antibiotic resistance through natural selection occurs through random mutation but it can also generated by engineering an evolutionary stress on a population. Once such a evolutionary pressure is generated, bacteria can transfer the genetic information in a horizontal fashion by plasmid exchange.
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Briefly describe why natural selection results
in bacteria that are resistant to antibiotics. How does this...
Antibiotics has led to development of bacteria resistant to antibiotics. Which led to stronger antibiotics, with...
Antibiotics has led to development of bacteria resistant to antibiotics. Which led to stronger antibiotics, with the understanding of the theory of evolution from Darwin, particularly natural selection, explain the phenomenon.
D. Natural selection acts on the classes of antibiotics and the individual antibiotics evolve. T 8....
D. Natural selection acts on the classes of antibiotics and the individual antibiotics evolve. T 8. How do bacteria that have never been treated by antibiotics acquire genes for antibiotic resistance? (1 pt) These bacteria are naturally resistant to all antibiotics. II. During conjugation, two bacterial cells form a bridge between them and exchange genetic information. This can transfer resistant genes from one cell to another (also known as horizontal gene transfer, plasmid exchange). Bacteria chose to join resistant populations...
Please answer the following questions NATURAL SELECTION LAB 10 Name: Section: PRE-LAB QUESTIONS - Natural Selection...
Please answer the following questions
NATURAL SELECTION LAB 10 Name: Section: PRE-LAB QUESTIONS - Natural Selection - Lab #10 1. In your own words explain what natural selection is and how it leads to evolution. re 2. Explain two different lines of evidence that supports the theory of evolution. 3. What is the difference between a bactericidal agent and a bacteriostatic agent? Xthin tipitial 4. What is the difference between an antiseptic and disinfect2 Give an example of each. hoito...
23. How does natural selection cause evolution? 24. How do bacteria become antibiotic resistant? 25. Human...
23. How does natural selection cause evolution? 24. How do bacteria become antibiotic resistant? 25. Human birth weight is a classic example of: 26. Imagine that those who had children at a younger than average age tended to leave more descendants than others. This continued to be true over hundreds of generations across the planet. What else would evolve as a consequence? 27. Which is definitely an INCORRECT explanation for why we grow old? 28. Why is adaptation imperfect? 29....
1. Describe how the process of natural selection works, and how it results in adaptations (Darwin's...
1. Describe how the process of natural selection works, and how it results in adaptations (Darwin's Observations and Conclusions) • How does unequal reproductive success lead to natural selection? What are adaptations? Explain Darwin’s observations and conclusions. • Describe evolution by natural selection? What are some important points about evolution? 2. Describe examples of and evidence for evolution by natural selection that can be seen in your daily life. 3. Discuss the different kinds of evidence that support the theory...
Explain why sexual selection results in sexual dimorphism, while natural selection does not.
Explain why sexual selection results in sexual dimorphism, while natural selection does not.
Briefly describe Charles Darwin’s theory of evolution by natural selection.
Briefly describe Charles Darwin’s theory of evolution by natural selection.
Question 13 Microbes can become resistant to antibiotics and prevent the antibiotics from damaging them. Why?...
Question 13 Microbes can become resistant to antibiotics and prevent the antibiotics from damaging them. Why? (Select all that apply) When bacteria reproduce, chance mutations that can protect the bacterium against a particular antibiotic occur. Bacteria reproduce very fast. The antibiotic changes the DNA of the bacterial cells. While most of the bacteria succumb to the antibiotic, the few that survive go on to reproduce and replicate the resistance. In any large population of bacteria, a few cells will be...
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference...
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference is that humans, and not the environment is doing the selecting artificial section does not result in the diversification of phenotypes natural selection is better for you because it is natural artincial selection takes longer Question 22 Which of the following breeding systems typically leads to sexual dimorphism, where the males are larger and/or more ornate than females? promisculty polysyny monogamy O polyandry A...
Describe a detail all alternative treatments to pan-resistant Streptococci What antibiotics leads to Clostridium difficile infections? How are resistant C. difficile infections treated How do these v...
Describe a detail all alternative treatments to pan-resistant Streptococci What antibiotics leads to Clostridium difficile infections? How are resistant C. difficile infections treated How do these viruses(Influenza A and B viruses.) become resistant to the anti-viral drugs used to treat them?
D. Natural selection acts on the classes of antibiotics and the individual antibiotics evolve. T 8. How do bacteria that have never been treated by antibiotics acquire genes for antibiotic resistance? (1 pt) These bacteria are naturally resistant to all antibiotics. II. During conjugation, two bacterial cells form a bridge between them and exchange genetic information. This can transfer resistant genes from one cell to another (also known as horizontal gene transfer, plasmid exchange). Bacteria chose to join resistant populations...
Please answer the following questions
NATURAL SELECTION LAB 10 Name: Section: PRE-LAB QUESTIONS - Natural Selection - Lab #10 1. In your own words explain what natural selection is and how it leads to evolution. re 2. Explain two different lines of evidence that supports the theory of evolution. 3. What is the difference between a bactericidal agent and a bacteriostatic agent? Xthin tipitial 4. What is the difference between an antiseptic and disinfect2 Give an example of each. hoito...
Question 13 Microbes can become resistant to antibiotics and prevent the antibiotics from damaging them. Why? (Select all that apply) When bacteria reproduce, chance mutations that can protect the bacterium against a particular antibiotic occur. Bacteria reproduce very fast. The antibiotic changes the DNA of the bacterial cells. While most of the bacteria succumb to the antibiotic, the few that survive go on to reproduce and replicate the resistance. In any large population of bacteria, a few cells will be...
Question 21 1 pts How does artificial selection differ from natural selection? the only real difference is that humans, and not the environment is doing the selecting artificial section does not result in the diversification of phenotypes natural selection is better for you because it is natural artincial selection takes longer Question 22 Which of the following breeding systems typically leads to sexual dimorphism, where the males are larger and/or more ornate than females? promisculty polysyny monogamy O polyandry A...
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