Unit 1 Vocab Quiz

What is the process of converting genetic information into a functional product, usually a protein?

• Gene Expression

• Central Dogma

• Transcription

• Translation

Answer explanation

Gene expression is the overall process of converting genetic information into functional products, primarily proteins. It encompasses both transcription (DNA to RNA) and translation (RNA to protein), making it the correct choice.

Tags

NGSS.HS-LS1-1

What is the fundamental principle that genetic information flows from DNA to RNA to protein?

• Gene Regulation

• Central Dogma

• Cell Differentiation

• Transcription

Answer explanation

The Central Dogma describes the flow of genetic information from DNA to RNA and then to protein, outlining the fundamental process of gene expression. This principle is key to understanding molecular biology.

What is the process of copying DNA into mRNA called?

• Translation

• Gene Regulation

• Transcription

• Cell Differentiation

Answer explanation

The process of copying DNA into mRNA is called transcription. During transcription, the DNA sequence is used as a template to synthesize a complementary RNA strand, which is essential for protein synthesis.

Which process involves converting mRNA into a protein?

• Transcription

• Translation

• Gene Expression

• Gene Editing

Answer explanation

The process of converting mRNA into a protein is called Translation. During this process, ribosomes read the mRNA sequence and synthesize the corresponding protein by linking amino acids together.

What is the control of gene expression known as?

• Gene Regulation

• Central Dogma

• Transcription

• Recombinant DNA Technology

Answer explanation

The control of gene expression is known as Gene Regulation. It involves mechanisms that increase or decrease the production of specific gene products, ensuring proper cellular function.

What is the process by which cells become specialized?

• Gene Editing

• Cell Differentiation

• Transcription

• Epigenetics

Answer explanation

Cell differentiation is the process by which unspecialized cells develop into distinct cell types with specific functions. This is essential for the formation of tissues and organs in multicellular organisms.

Tags

NGSS.HS-LS1-4

What molecule carries genetic information?

• RNA

• DNA

• Protein

• mRNA

Answer explanation

DNA is the primary molecule that carries genetic information in living organisms. It contains the instructions needed for the development, functioning, growth, and reproduction of all known life forms.

Tags

NGSS.HS-LS3-1

What is the role of mRNA in the cell?

• Carries genetic information from DNA to ribosomes

• Initiates transcription

• Binds to DNA and regulates gene expression

• Modifies the DNA sequence

Answer explanation

mRNA carries genetic information from DNA to ribosomes, where proteins are synthesized. This is essential for translating the genetic code into functional proteins, making it the correct choice.

What is a transcription factor?

• A protein that binds to DNA and regulates gene expression

• A sequence of three nucleotides

• A molecule involved in protein synthesis

• A powerful gene editing tool

Answer explanation

A transcription factor is a protein that binds to specific DNA sequences, thereby regulating the expression of genes. This makes the first choice the correct answer, as it accurately describes the role of transcription factors.

What is CRISPR-Cas9?

• A molecule that carries genetic information

• A powerful gene editing tool

• A protein that binds to DNA

• A sequence that initiates transcription

Answer explanation

CRISPR-Cas9 is a powerful gene editing tool that allows scientists to modify DNA with precision. It uses a guide RNA to target specific DNA sequences, enabling the addition, removal, or alteration of genetic material.