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2015 AP Biology生物真題系列之Practice Exam簡(jiǎn)答題免費(fèi)下載

Category: AP課程, 國(guó)際課程, 福利干貨 Date: 2018年9月8日下午1:05

歷年AP Biology生物系列

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2015 AP Biology Practice Exam Free-Response Questions Free Download

2015 AP 生物模考簡(jiǎn)答題部分免費(fèi)下載

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部分真題預(yù)覽：

1）To determine the likelihood that a patient with a bacterial infection who is in the intensive care unit (ICU) of a hospital could be successfully treated with antibiotic therapies, researchers investigated the frequency of antibiotic resistance in bacteria isolated from patients in ICUs in the United States from 1994 to 2000. The data from the study are shown in the table, along with the overall change in the frequency of bacterial resistance in patient samples from 1994 to 2000.

INCIDENCE OF ANTIBIOTIC RESISTANCE IN PATIENTS ADMITTED TO ICUs FROM 1994 TO 2000

2015國(guó)際課程AP Biology生物真題與答案下載

A patient was admitted to the ICU in December 2000 with an uncharacterized bacterial infection. Based on the data from the study, identify the following.
- The antibiotic that was most likely to be effective for treating the infection
- The antibiotic that was least likely to be effective for treating the infection
Using the data, provide justification for the claim that antibiotic resistance may arise in bacterial species.
Describe THREE different processes by which antibiotic resistance develops in individual bacterial cells.
Describe TWO features of natural selection that lead to the spread of antibiotic resistance in a population over many generations. Give ONE reason that the development of antibiotic resistance is an example of evolution.
Giving low doses of antibiotics to beef cattle to control the population sizes of intestinal bacteria can result in more efficient uptake of food materials by the cattle. Pose an ethical question that the Food and Drug Administration (FDA) should consider when deciding whether to approve this type of antibiotic use in beef cattle.