Which element was discovered in 1774 by Carl Wilhelm Scheele?
Answer
Chlorine
34719 Intermediate Trivia Questions
34719 public questions at this depth. How many can you answer?
Which element was discovered by Joseph Priestley?
Answer
Oxygen
Which element was discovered in 1772 by Daniel Rutherford?
Answer
Nitrogen
Which element is named after the Greek goddess of the moon?
Answer
Selenium
Which element's name means 'sun' in Greek?
Answer
Helium
Which element is named after the Norse god of thunder?
Answer
Thorium
Which halogen has atomic number 17?
Answer
Chlorine
Which element was named after the homeland of Marie Curie?
Answer
Polonium
Which element was the first to be synthesized artificially?
Answer
Technetium
Which element has the lowest boiling point?
Answer
Helium
Which element was discovered by Hennig Brand in 1669?
Answer
Phosphorus
Which element's name comes from the Greek for 'yellow-green'?
Answer
Chlorine
In E. coli, which DNA polymerase is responsible for bulk DNA replication?
Answer
DNA polymerase III
What is the handedness of Z-DNA?
Answer
left-handed
In prokaryotes, which enzyme removes RNA primers from Okazaki fragments?
Answer
DNA polymerase I
What is the name of the groove that is deeper and wider in B-DNA?
Answer
Major groove
What is the name of the four-way DNA junction formed during recombination?
Answer
Holliday junction
Which enzyme relieves torsional stress in DNA by cutting and rejoining strands?
Answer
Topoisomerase
Who is credited with the first isolation of DNA in 1869?
Answer
Friedrich Miescher
What enzyme joins Okazaki fragments together?
Answer
DNA ligase
What are the short fragments of DNA on the lagging strand called?
Answer
Okazaki fragments
What is the basic unit of DNA packaging in eukaryotes called?
Answer
nucleosome
What enzyme unwinds the DNA double helix during replication?
Answer
helicase
Who produced the X-ray image called Photo 51 that revealed DNA structure?
Answer
Raymond Gosling
What term describes the opposite orientation of the two DNA strands?
Answer
Antiparallel
In which direction is new DNA synthesized?
Answer
5' to 3'
What type of bond links nucleotides together in a DNA strand?
Answer
Phosphodiester bond
Which hypothesis states that any effectively calculable function is Turing machine computable?
Answer
Church–Turing thesis
What was the name of Andrew Hodges' biography of Alan Turing?
Answer
Alan Turing: The Enigma