Gene Expression Quiz

Which process involves the conversion of mRNA into a polypeptide?

• Transcription

• RNA processing

• Translation

• Post-translational modification

What happens to mRNA after it is processed and before it is translated?

• It is degraded

• It undergoes chromatin remodeling

• It is stabilized

• It is converted into DNA

What is the role of a growth factor in cell signaling?

• It binds to receptors to initiate a signaling cascade.

• It directly translates proteins.

• It acts as a transcription factor.

• It inhibits cell division.

What is the function of transcription factors in the context of cell signaling?

• They bind to DNA to promote gene expression.

• They act as receptors for growth factors.

• They are proteins that drive cell division.

• They inhibit the translation process.

What is the role of histone proteins in DNA structure?

• They help in DNA replication.

• They provide structural support to DNA.

• They are involved in protein synthesis.

• They break down DNA.

What is the inactive X chromosome in females called?

• Active X

• Barr body

• Chromatid

• Centromere

In female calico cats, what determines the patches of orange and black in their coat?

• The number of chromosomes

• The presence of Y chromosomes

• Which X chromosome is inactivated

• The amount of melanin

Tags

NGSS.HS-LS3-1

What role do dietary habits and lifestyle play in gene expression?

• They have no effect on gene expression.

• They influence gene expression.

• They only affect physical appearance.

• They solely determine metabolic rate.

What is the process called where DNA is converted into pre-mRNA?

• Translation

• Transcription

• Splicing

• Polyadenylation

Which of the following processes occurs after transcription in the nucleus?

• Translation

• Splicing

• Decay

• Export