In what way does the factor-independent termination work?

A eukaryotic gene is being studied in a genetics lab. This gene consists of the following segments:

Exon A: 100 nucleotides, Intron A: 400 nucleotides, Exon B: 300 nucleotides, Intron B: 200 nucleotides, and Exon C: 150 nucleotides. What is the length of the mature mRNA after processing?

Which of the following options correctly describes the formation and functions of RNA in prokaryotes and eukaryotes?

Which of the following best describes why the genetic code is considered to be degenerate?

During the process of translation, tRNA molecules exit from which site in a ribosome?

Which of the following processes has two main stages: transcription and translation?

In prokaryotic gene expression, which of the following statements about the role of the sigma factor in transcription is correct?

How does an animal's genetic makeup influence its observable traits?

 In the absence of lactose, the Lac repressor binds to the operator site of the Lac operon, blocking RNA polymerase from transcribing the operon's genes. This is an example of which type of gene regulation process?

To be able to repress transcription, inactive repressor protein should be:

In the lac operon of E. coli, what happens when lactose is present but glucose levels are low?

How does glucose indirectly regulate the lac operon through its effect on cyclic AMP (cAMP) levels?

What is the primary mechanism by which the trp operon is regulated in E. coli?

Which of the following best describes the primary regulatory mechanism of the lac operon in E. coli?

Which of the following processes is commonly used to silence gene expression in eukaryotic cells?

DNA methylation primarily affects which part of the gene to inhibit transcription?

Which of the following best defines control elements in the context of gene regulation?

What is the function of the spliceosome in eukaryotes?

What type of post-translational modification involves the attachment of carbohydrates to amino acids?

How do proteases degrade proteins?

Alternative forms of a gene that arise by mutation and are found at the same locus on homologous chromosomes are called:

What is the primary source of new alleles within a population?

Which of the following is an example of acquired antibiotic resistance?

During an experiment, a researcher observes that a particular bacterial strain grows on a medium supplemented with arginine but fails to grow on a minimal medium. What is the most likely classification of this bacterial strain regarding its arginine synthesis capability?

Why is indirect selection sometimes necessary for mutant detection?