Microbial Genetics Quiz

What determines the phenotype of an organism?

• The phenotype itself

• The proteins produced

• The environment

• The genotype

Who is known as the father of modern genetics?

• Francis Crick

• Charles Darwin

• Gregor Mendel

• James Watson

What is the structure of DNA?

• Triple helix

• Double helix

• Single helix

• Linear strand

Which of the following pairs of bases are connected by two hydrogen bonds?

• Cytosine and Guanine

• Guanine and Thymine

• Adenine and Thymine

• Adenine and Cytosine

What is the role of mRNA in protein synthesis?

• To carry amino acids

• To provide the template for protein synthesis

• To form ribosomes

• To replicate DNA

What is the process of DNA replication?

• Mutation

• Duplication of DNA

• Translation

• Transcription

What is the function of DNA polymerase?

• To form ribosomes

• To add nucleotides to a growing DNA strand

• To synthesize RNA

• To unwind DNA

What is a plasmid?

• A small circular DNA molecule

• A type of chromosome

• A type of RNA

• A protein structure

What is the central dogma of molecular biology?

• DNA → RNA → Protein

• DNA → Protein → RNA

• Protein → RNA → DNA

• RNA → DNA → Protein

What is the role of tRNA in translation?

• To synthesize mRNA

• To bring amino acids to the ribosome

• To carry the genetic code

• To replicate DNA