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Molecular Biology

Description: Molecular Biology Quiz
Number of Questions: 14
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Tags: molecular biology genetics biochemistry
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What is the central dogma of molecular biology?

  1. DNA makes RNA makes protein

  2. RNA makes DNA makes protein

  3. Protein makes DNA makes RNA

  4. DNA makes protein makes RNA

Show answer
Correct Option: A
Explanation:

The central dogma of molecular biology states that DNA is transcribed into RNA, which is then translated into protein.

What is the structure of DNA?

  1. A double helix

  2. A single helix

  3. A triple helix

  4. A quadruple helix

Show answer
Correct Option: A
Explanation:

DNA is a double helix, meaning that it consists of two strands of nucleotides that are twisted around each other.

What are the four bases in DNA?

  1. Adenine, thymine, cytosine, and guanine

  2. Adenine, uracil, cytosine, and guanine

  3. Adenine, thymine, cytosine, and uracil

  4. Adenine, uracil, guanine, and thymine

Show answer
Correct Option: A
Explanation:

The four bases in DNA are adenine (A), thymine (T), cytosine (C), and guanine (G).

What is the structure of RNA?

  1. A double helix

  2. A single helix

  3. A triple helix

  4. A quadruple helix

Show answer
Correct Option: B
Explanation:

RNA is a single helix, meaning that it consists of a single strand of nucleotides.

What are the four bases in RNA?

  1. Adenine, thymine, cytosine, and guanine

  2. Adenine, uracil, cytosine, and guanine

  3. Adenine, thymine, cytosine, and uracil

  4. Adenine, uracil, guanine, and thymine

Show answer
Correct Option: B
Explanation:

The four bases in RNA are adenine (A), uracil (U), cytosine (C), and guanine (G).

What is the process of transcription?

  1. The process of copying DNA into RNA

  2. The process of copying RNA into DNA

  3. The process of copying protein into DNA

  4. The process of copying DNA into protein

Show answer
Correct Option: A
Explanation:

Transcription is the process of copying DNA into RNA.

What is the process of translation?

  1. The process of copying RNA into protein

  2. The process of copying DNA into protein

  3. The process of copying protein into RNA

  4. The process of copying DNA into RNA

Show answer
Correct Option: A
Explanation:

Translation is the process of copying RNA into protein.

What is the genetic code?

  1. The set of rules that determines how DNA is translated into protein

  2. The set of rules that determines how RNA is translated into protein

  3. The set of rules that determines how protein is translated into DNA

  4. The set of rules that determines how RNA is translated into DNA

Show answer
Correct Option: A
Explanation:

The genetic code is the set of rules that determines how DNA is translated into protein.

What is a gene?

  1. A region of DNA that codes for a protein

  2. A region of RNA that codes for a protein

  3. A region of DNA that codes for a RNA

  4. A region of RNA that codes for a DNA

Show answer
Correct Option: A
Explanation:

A gene is a region of DNA that codes for a protein.

What is a chromosome?

  1. A long molecule of DNA

  2. A short molecule of DNA

  3. A long molecule of RNA

  4. A short molecule of RNA

Show answer
Correct Option: A
Explanation:

A chromosome is a long molecule of DNA.

What is a nucleus?

  1. The organelle that contains the cell's DNA

  2. The organelle that contains the cell's RNA

  3. The organelle that contains the cell's protein

  4. The organelle that contains the cell's lipids

Show answer
Correct Option: A
Explanation:

The nucleus is the organelle that contains the cell's DNA.

What is a mitochondrion?

  1. The organelle that produces the cell's energy

  2. The organelle that produces the cell's RNA

  3. The organelle that produces the cell's protein

  4. The organelle that produces the cell's lipids

Show answer
Correct Option: A
Explanation:

The mitochondrion is the organelle that produces the cell's energy.

What is a ribosome?

  1. The organelle that assembles proteins

  2. The organelle that assembles RNA

  3. The organelle that assembles DNA

  4. The organelle that assembles lipids

Show answer
Correct Option: A
Explanation:

The ribosome is the organelle that assembles proteins.

What is a protein?

  1. A molecule that is made up of amino acids

  2. A molecule that is made up of nucleotides

  3. A molecule that is made up of lipids

  4. A molecule that is made up of carbohydrates

Show answer
Correct Option: A
Explanation:

A protein is a molecule that is made up of amino acids.

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