Exploring DNA and Protein Synthesis Concepts

What are the three components of a nucleotide?

• Sugar, phosphate, and amino acid

• Amino acid, nitrogen base, and phosphate

• Sugar, amino acid, and nitrogen base

• Sugar, phosphate, and nitrogen base

Who are credited with discovering the structure of DNA?

• Charles Darwin and Gregor Mendel

• James Watson and Francis Crick

• Albert Einstein and Isaac Newton

• Rosalind Franklin and Maurice Wilkins

What is the shape of DNA called?

• Beta-pleated sheet

• Single strand

• Double helix

• Triple helix

Which amino acid is coded by the DNA nucleotides CAG after transcription and translation?

• Serine

• Methionine

• Valine

• Glycine

What is the anticodon for the DNA sequence TTA?

• CAA

• UUA

• AAU

• TTA

What is the result of transcription?

• RNA

• DNA

• Protein

• Amino acid

Where does DNA replication occur within a cell?

• Endoplasmic reticulum

• Cytoplasm

• Nucleus

• Ribosome

Which enzyme is responsible for separating the DNA helix during replication?

• Ribozyme

• DNA helicase

• RNA polymerase

• DNA ligase

What type of mutation does not affect the final protein created?

• Nonsense mutation

• Missense mutation

• Silent mutation

• Frameshift mutation

Name the five nitrogen bases found in nucleic acids.

• Adenine, thymine, guanine, cytosine, and uracil

• Adenine, guanine, cytosine, uracil, and ribose

• Adenine, thymine, guanine, cytosine, and ribose

• Adenine, thymine, guanine, cytosine, and deoxyribose