FAQs
What Is the Format of the AP Biology Exam?
Section I: Multiple-Choice Questions (MCQs) | Section II: Free-Response Questions (FRQs) |
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60 questions | 2 long questions worth 8-10 points each and 4 short questions worth 4 points each |
4 answer choices to select from | Points are awarded for meeting specific scoring criteria |
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How long should an AP Bio Frq response be? ›
You have 90 minutes to complete Section II of the AP Biology exam. The first 10 minutes are intended to be used as a reading period, leaving approximately 20 minutes for each of the long FRQs (questions 1 and 2) and 10 minutes for each of the short-answer FRQs (questions 3 – 6).
Why monitoring the growth rate of the E coli M bacteria is a useful indicator of the Effec? ›
Answer: The monitoring the growth rate of E. Coli bacteria is a useful indicator of the effect of glycotic enzyme mutation on the bacteria as the flow of intracellular metabolic components depends on the availability of carbon. Hence the change in carbon source can change the glyclyotic enzyme mutation up or down.
Is AP Bio FRQ hard? ›
The AP Biology free-response section can be tough, but if you prepare well for it, you can go into exam day confident and knowing what to expect. The section consists of two long questions and four short questions, lasts 90 minutes, and is worth half of your total score.
What percentage is a 5 on the AP Bio exam? ›
However, as a rough estimate, scoring around 70%-75% of the total points available on the exam should put you in a good position to earn a 5. The AP Biology exam is divided into two main sections: Multiple-Choice Questions (MCQs) and Free-Response Questions (FRQs).
What is the hardest unit in AP Bio? ›
In AP Biology, the level of difficulty for each unit can vary from student to student, depending on their background and strengths. However, many students often find the cellular processes and molecular biology units to be quite challenging.
Is AP Bio hard to get a 5? ›
Getting a 5 on the AP Biology exam requires lots of hard work. But if you start feeling burnt out by memorization, you can add some creative study methods to your rotation to keep practicing the skills you'll need for the exam.
Are AP Bio FRQs in pen? ›
You must have several No. 2 pencils with erasers and black or blue ink pens for any free-response sections.
Can you answer FRQs out of order? ›
Remember that you may answer the questions in any order
It's fine to answer the question you feel most confident about first. Just be sure to indicate clearly in your answer booklet which question you are answering.
How many questions do you need to get right to pass the AP Bio exam? ›
Our AP® Biology score calculator clearly shows that you would need to answer 50% of the multiple choice questions right and get at least half of the points for each free response question to achieve a score of 3 or better on this exam.
In order to colonize the human gastrointestinal tract, E. coli must be able to grow between pH 4.5 and pH 9 [19]. Over this wide pH range, E. coli preserves enzyme activity, as well as protein and nucleic acid stability, by maintaining the cytoplasmic pH in the range of 7.2 to 7.8 [20], [21].
What happens if you get E. coli in your mouth? ›
Some variants of Escherichia coli produce a poison causing intestinal infections, urinary tract infection, kidney failure and blood poisoning. Your oral cavity is at risk of infection from this bacteria commonly transmitted from hand to mouth.
What kills E. coli in the body? ›
Antibiotics for E. coli infections
Some antibiotics providers use to treat E. coli infections include: Trimethoprim/sulfamethoxazole (TMP/SMX). Ciprofloxacin. Rifaximin.
How do you respond to AP FRQ? ›
AP free response tips
- Practice. Answering essay questions generally requires a good deal of training and practice. ...
- Examine the question. ...
- Determine what's required to answer the question. ...
- Choose your evidence. ...
- Develop a thesis. ...
- Support your thesis. ...
- Get examples from past exams.
Do you have to answer AP FRQs in order? ›
Remember that you may answer the questions in any order
It's fine to answer the question you feel most confident about first. Just be sure to indicate clearly in your answer booklet which question you are answering.
How do I fill out a FRQ? ›
Read the following steps to be successful when answering FRQ's.
- Understand the Question: READ IT!!!!!!!!! a. Know what the question is asking you. ...
- Identify the question type: a. There are generally three types of questions on the exam. ...
- Which path do I take?
- Do I need an Introduction?
- Format?
- Re-Read your answers: