Exploring DNA Structure and Analysis

Who were the scientists awarded the Nobel Prize in 1962 for their work on DNA structure?

• Francis Crick, Rosalind Franklin, and Erwin Chargaff

• James Watson, Francis Crick, and Erwin Chargaff

• James Watson, Rosalind Franklin, and Maurice Wilkins

• James Watson, Francis Crick, and Maurice Wilkins

What critical data did Rosalind Franklin provide that helped Watson and Crick?

• The sequence of nucleotides in DNA

• The distance between the two strands of DNA

• The double helix structure of DNA

• The number of base pairs in DNA

What are the three components of a nucleotide?

• Sugar, ribose, and nitrogen-containing base

• Sugar, phosphate, and nitrogen-containing base

• Phosphate, ribose, and nitrogen-containing base

• Sugar, phosphate, and ribose

What is the main difference between a nucleotide and a nucleoside?

• Nucleosides lack a nitrogen-containing base

• Nucleotides lack a phosphate group

• Nucleosides lack a phosphate group

• Nucleotides lack a sugar

Which nitrogen-containing base is found in RNA but not in DNA?

• Cytosine

• Thymine

• Uracil

• Adenine

What type of bond holds the two strands of DNA together?

• Peptide bonds

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

What is the significance of complementary base pairing in DNA?

• It provides structural stability to DNA

• It allows DNA to be replicated accurately

• It enables DNA to form a double helix

• It allows DNA to interact with proteins

What does the technique FISH stand for?

• Fluorescent In Situ Homology

• Fluorescent In Situ Heterozygosity

• Fluorescent In Situ Helix

• Fluorescent In Situ Hybridization

What is the central dogma of molecular biology?

• Protein becomes RNA which becomes DNA

• DNA becomes RNA which becomes protein

• DNA becomes protein which becomes RNA

• RNA becomes DNA which becomes protein

Tags

NGSS.HS-LS1-1

Which type of RNA is responsible for bringing amino acids to the ribosome during translation?

• Small nuclear RNA (snRNA)

• Messenger RNA (mRNA)

• Ribosomal RNA (rRNA)

• Transfer RNA (tRNA)