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Science TEAS Practice Test

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ATI TEAS 7
Science
Science TEAS Practice Test

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Self Paced

Question 1 of 44

Which of the following is a representation of a natural pattern or occurrence that is difficult or impossible to experience directly?

A. A theory

B. A model

C. A law

D. An observation

Correct Answer:

Rationale:

Question 2 of 44

Which of the following best describes the statement: 'This flower is dead; someone must have forgotten to water it'?

A. A classification

B. An observation

C. An inference

D. A collection

Correct Answer:

Rationale:

Question 3 of 44

The acceleration of a falling object due to gravity has been proven to be 9.8 m/s². A scientist drops a cactus four times and measures the acceleration with an accelerometer and gets the following results: 9.79 m/s², 9.81 m/s², 9.80 m/s², and 9.78 m/s². Which of the following accurately describes the measurements?

A. They're both accurate and precise.

B. They're accurate but not precise.

C. They're precise but not accurate.

D. They're neither accurate nor precise.

Correct Answer:

Rationale:

Question 4 of 44

Which level of protein structure is defined by the folds and coils of the protein's polypeptide backbone?

A. Primary

B. Secondary

C. Tertiary

D. Quaternary

Correct Answer:

Rationale:

Question 5 of 44

When human cells divide by meiosis, how many chromosomes do the resulting cells contain?

A. 96

B. 54

C. 46

D. 23

Correct Answer:

Rationale:

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