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AP Biology Practice Quiz: Biotechnology

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 7 questions to check your progress.

Question 1 of 7

According to the provided text, what is the primary function of genetic engineering techniques?

All Questions (7)

According to the provided text, what is the primary function of genetic engineering techniques?

A) To create new species of organisms.

B) To analyze and manipulate DNA and RNA.

C) To study the structure of proteins exclusively.

D) To replicate entire chromosomes.

Correct Answer: B

The text explicitly states that genetic engineering techniques are used to 'analyze and manipulate DNA and RNA.' The other options describe potential outcomes or different biological processes not mentioned in the provided content.

A scientist is using a technique called polymerase chain reaction (PCR). Based on the provided information, PCR is an example of a technique used for what purpose?

A) Observing cellular structures.

B) Synthesizing lipids and carbohydrates.

C) Analyzing or manipulating DNA and RNA.

D) Separating organelles by density.

Correct Answer: C

The text lists polymerase chain reaction (PCR) as one of the specific 'genetic engineering techniques...used to analyze and manipulate DNA and RNA.'

Which of the following is identified in the text as a specific technique used in genetic engineering?

A) Cellular respiration

B) Bacterial transformation

C) Meiosis

D) Photosynthesis

Correct Answer: B

The provided content explicitly lists 'bacterial transformation' as one of the genetic engineering techniques. The other options are fundamental biological processes not mentioned in this context.

Based on the text, the techniques of genetic engineering are used to analyze and manipulate which of the following types of molecules?

A) Proteins and enzymes

B) Lipids only

C) DNA and RNA

D) Carbohydrates and DNA

Correct Answer: C

The content specifies that the techniques listed, such as PCR and DNA sequencing, are 'used to analyze and manipulate DNA and RNA.'

All of the following are mentioned in the text as genetic engineering techniques EXCEPT:

A) Gel electrophoresis

B) DNA sequencing

C) CRISPR-Cas9

D) Polymerase chain reaction (PCR)

Correct Answer: C

The provided content lists gel electrophoresis, DNA sequencing, and PCR. While CRISPR-Cas9 is a genetic engineering technique, it is not mentioned in the source text provided for this question.

A research team wants to determine the nucleotide order of a specific gene. According to the provided text, which technique would be used as a method to analyze DNA in this manner?

A) Bacterial transformation

B) DNA sequencing

C) Polymerase chain reaction (PCR)

D) Gel electrophoresis

Correct Answer: B

The text lists 'DNA sequencing' as a technique used to analyze DNA. Determining the order of nucleotides is the definition of DNA sequencing.

Which statement best synthesizes the information presented in the text?

A) Gel electrophoresis is the sole method used for genetic engineering.

B) Genetic engineering encompasses various techniques, such as bacterial transformation, which are applied to the analysis and manipulation of nucleic acids like DNA and RNA.

C) The manipulation of RNA is the primary goal of all genetic engineering, while DNA analysis is a secondary benefit.

D) Polymerase chain reaction (PCR) and DNA sequencing are outdated techniques that are no longer used to analyze DNA.

Correct Answer: B

This option correctly combines the two sentences in the text, identifying genetic engineering as the broad field and bacterial transformation as a specific example technique used for the stated purpose of analyzing and manipulating both DNA and RNA.