DNA and Protein Synthesis — Test Answers

Based on the current understanding of this operon, which hypothesis would be useful for James to test?

Which disorder is produced as a result of the final chromosomal change shown in the diagram?

Which is a frameshift mutation?

All of these would be visible on a karyotype except

Which chromosomal defect is caused when part of a chromosome breaks off at either end and attaches to another chromosome?

Which describes something that occurs during translation?

What was Friedrich Miescher's contribution to the discovery of the genetic code?

Which best describes a centromere?

Many different types of mutations can occur within the body. Cystic fibrosis is a genetic disorder that is caused by different mutations within the CFTR gene. One mutation in the CFTR gene that leads to cystic fibrosis causes translation to end earlier in the gene sequence. Which type of mutation causes this translation error that leads to cystic fibrosis?

Which best summarizes the process of protein synthesis?

Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her?

Which of these is the primary site of protein synthesis?

Which best matches a type of genetic material with its description?

Which is an arrangement of genes consisting of an operator, a promoter, and a repressor?

What can he assume about the number of adenine? A forensic scientist is trying to find out the number of adenine bases in the DNA sample that he obtained from a crime scene.

DiGeorge syndrome is characterized by a cleft palate, immune deficiency, and developmental issues. Which chromosomal change causes it?

What can a person do to limit exposure to X-rays?

Which represents a strand of RNA bases?

Which is a purpose for which a pedigree chart might be prepared?

What must occur for protein translation to begin?