17 Questions
What is a gene?
A region of DNA that influences a particular trait
What is the genetic material of an organism encoded in?
DNA
Which molecule is responsible for copying the codons of a gene into messenger RNA?
RNA polymerase
What defines the sequence of bases along a DNA strand within a gene?
Messenger RNA sequence
What determines the relationship between the nucleotide sequences of genes and the amino-acid sequences of proteins?
Genetic code
What molecule decodes the RNA sequence during translation by base-pairing with transfer RNA?
Ribosome
What is another term for DNA profiling?
Genetic fingerprinting
Which process involves searching and data mining of biological data, including DNA sequences?
Bioinformatics
What is the primary function of DNA nanotechnology?
Create self-assembling DNA complexes
What is the function of nucleases in DNA replication?
Cut DNA strands
What type of information does DNA store due to the accumulation of mutations?
Historical information
Which proteins are involved in changing the amount of supercoiling in DNA?
Topoisomerases
What is a mutation in DNA?
A change in the genetic code
What do ligases do in lagging strand DNA replication?
Join broken DNA strands
In eukaryotes, what is the compact structure formed when DNA binds to histones called?
Chromatin
What is the primary function of helicases in DNA replication?
Unwind the DNA double helix
What are exonucleases responsible for in DNA replication?
Cutting nucleotides from DNA ends
Test your knowledge on dinucleotides formation, building a DNA chain, and biological functions of DNA such as genes and genomes. Learn about the structure and genetic significance of DNA.
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