20 Questions
What is the basic structural unit of DNA?
Nucleotide
Which type of nucleic acid is a single-stranded structure?
RNA
What type of molecule is essential for transferring genetic information from one generation to the next?
Nucleic Acid
What is the complete genetic information of a cell called?
Genome
What is a segment of DNA that codes for a functional product?
Gene
What type of bond is formed when nitrous acid converts cytosine to uracil?
Hydrogen bond with adenine
Which type of radiation induces the formation of thymine-thymine dimers, leading to the termination of DNA replication?
Ultraviolet (UV) radiation
Which type of mutation results in the alteration of the biological properties of a protein?
Missense mutation
What is the result of a point mutation changing a codon for an amino acid into a stop codon?
Silent mutation
Which type of mutation leads to a change in the reading frame of the genetic code?
Frame shift mutation
Adenine and Guanine are purines, each containing 1 nitrogenous ring.
False
Uracil replaces Thymine in DNA.
False
Non-ionizing radiation, such as UV rays, has more energy and penetrating power than ionizing radiation.
False
A sense mutation results in a new codon coding for a different amino acid.
False
Plasmids are linear DNA molecules that replicate independently of the bacterial chromosome.
False
Genes form the basic structural unit of RNA.
False
Ribonucleic acid (RNA) is double-stranded like DNA.
False
Thymine-thymine dimers induce the termination of RNA replication.
False
A codon consists of four nucleotides.
False
Deoxyribonucleic acid (DNA) and Ribonucleic acid (RNA) are both essential for transferring genetic information from one generation to the next.
True
Test your knowledge of microbial genetics with this quiz covering molecular structure and function of genes, genetic variation, genomes, genes as segments of DNA, nucleic acids, and genetic information transfer.
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