10 Questions
What is the structure formed when a single strand of DNA combines with another strand of DNA?
Double-stranded DNA
Which nitrogenous base pairs with cytosine to form three hydrogen bonds?
Guanine
In the DNA double helix, the sugar-phosphate group points towards which direction?
Outside
What is the complementary strand orientation if the first strand runs in the 5'-3' direction?
3'-5'
Which molecule becomes directly involved in protein synthesis after being formed from DNA?
RNA
What is the main reason for the complementary strand to run in the reverse 3'-5' direction in DNA?
To form the proper base pairing
In the DNA double helix, which nitrogenous base always pairs with thymine to form two hydrogen bonds?
Adenine
What is the function of RNA in protein synthesis?
Directly involved in protein synthesis
What is the structure formed when a single strand of DNA combines with another strand of DNA?
Double-stranded DNA
Which part of the nucleotide consists of a sugar, a phosphate group, and a nitrogenous base?
Nucleotide
Test your knowledge on DNA structure and base pairing with this quiz. Learn about the formation of double-stranded DNA, the double helix structure, and the hydrogen bonding between nitrogenous bases.
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