ap biology exam. 2 parts: 50% multiple choice/ grid in 50% free response
TRANSCRIPT
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AP Biology
Exam
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2 PARTS:
50% multiple
choice/ grid in
50% free response
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2 PARTS:
50% multiple
choice/ grid in
50% free response
90 minutes-63 MC-6 grid in
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50% multiple
choice/ grid in
50% free response
2 PARTS:
-10 minutes read
-80 minutes write
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50% multiple
choice/ grid in
50% free response
2 PARTS:
-2 long response *22 min
each
6 short responses* 6 min each
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50% multiple
choice/ grid in
50% free response
2 PARTS:
-2 long response *22 min
each
10 pts. each
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50% multiple
choice/ grid in
50% free response
2 PARTS:
1st 3 = 4 pts last 3 = 3pts.
6 short responses* 6 min each
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MULTIPLE CHOICE
- A-D choices- NO GUESSING PENALTY- Use process of elimination- Budget your time!
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1. By discharging electric sparks into a laboratory chamber atmosphere that consisted of water vapor, hydrogen gas, methane, and ammonia, Stanley Miller obtained data that showed that a number of organic molecules, including many amino acids, could be synthesized. Miller was attempting to model early Earth conditions as understood in the 1950s. The results of Miller’s experiments best support which of the following hypotheses?
(A) The molecules essential to life today did not exist at the time Earth was first formed.
(B) The molecules essential to life today could not have been carried to the primordial Earth by a comet or meteorite.
(C) The molecules essential to life today could have formed under early Earth conditions.
(D) The molecules essential to life today were initially self- replicating proteins that were synthesized approximately four billion years ago.
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1. By discharging electric sparks into a laboratory chamber atmosphere that consisted of water vapor, hydrogen gas, methane, and ammonia, Stanley Miller obtained data that showed that a number of organic molecules, including many amino acids, could be synthesized. Miller was attempting to model early Earth conditions as understood in the 1950s. The results of Miller’s experiments best support which of the following hypotheses?
(A) The molecules essential to life today did not exist at the time Earth was first formed.
(B) The molecules essential to life today could not have been carried to the primordial Earth by a comet or meteorite.
(C) The molecules essential to life today could have formed under early Earth conditions.
(D) The molecules essential to life today were initially self- replicating proteins that were synthesized approximately four billion years ago.
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http://www.collegeboard.com/student/testing/ap/sub_bio.html
Review sites
http://quizlet.com/22315269/ultimate-ap-biology-vocabulary-review-flash-cards/
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GRID IN
- 4 function calculator- Grid in your answer, as we
have been doing in class- Will be given a formula sheet.
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Four function scientific calculators with a square root function are required
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In a certain species of flowering plant, the purple allele P is dominant to the yellow allele p. A student performed a cross between a purple-flowered plant and a yellow-flowered plant. When planted, the 146 seeds that were produced from the cross matured into 87 plants with purple flowers and 59 plants with yellow flowers. Calculate the chi-squared value for the null hypothesis that the purple-flowered parent was heterozygous for the flower-color gene. Give your answer to the nearest tenth.
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FORMAT FOR GRID IN
TAKE DECIMAL TO THE HUDREDTHS
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Formula equation sheet given!
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Free Response
-10 Minute reading peirod- Plan, READ, READ, READ, write on
the sheet= have a plan of attack- You can leave space for later
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Free Response
-Direction words: EXPLAIN, DISCUSS, DESCRIBE- 2 long response 20 minutes each- Essays graded by HUMANS =
clearly write, READABLE!
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Short Response
-6 of these questions
- 6 minutes each
- graded by HUMANS = clearly write, READABLE!