Scientists have been looking for new ways to fight bacterial infections - VCE - SSCE Biology - Question 34 - 2019 - Paper 1
Question 34
Scientists have been looking for new ways to fight bacterial infections. One of these ways could be using bacteriophages. Bacteriophages are viruses that infect bact... show full transcript
Worked Solution & Example Answer:Scientists have been looking for new ways to fight bacterial infections - VCE - SSCE Biology - Question 34 - 2019 - Paper 1
Step 1
A. slows phospholipid synthesis in bacteria.
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Answer
This option is incorrect. Penicillin primarily targets the synthesis of the bacterial cell wall, not phospholipids.
Step 2
B. stops cell wall synthesis in bacteria.
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Answer
This option is correct. Penicillin interferes with the formation of the bacterial cell wall, leading to cell lysis and death.
Step 3
C. stops RNA synthesis in bacteria.
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Answer
This option is incorrect. While some antibiotics target RNA synthesis, penicillin does not. It specifically disrupts cell wall synthesis.
Step 4
D. destroys bacterial DNA.
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Answer
This option is incorrect. Penicillin does not act directly on bacterial DNA; instead, it targets the processes involved in cell wall structure and integrity.
