What telescope network captured the first image of a black hole?
Answer
Event Horizon Telescope
83042 Easy Trivia Questions
83042 public questions at this depth. How many can you answer?
What type of black hole is formed from the collapse of a giant star?
Answer
Stellar black hole
What is the theoretical point of infinite density at a black hole's center?
Answer
Singularity
What is the name of the first black hole confirmed to exist?
Answer
Cygnus X-1
What is the name of the supermassive black hole at the center of the Milky Way?
Answer
Sagittarius A*
Which element is named after the planet Uranus?
Answer
Uranium
Which element has the chemical symbol 'Pb'?
Answer
Lead
Which element is the lightest metal?
Answer
Lithium
Which element is the most abundant gas in Earth's atmosphere?
Answer
Nitrogen
Which noble gas has atomic number 2?
Answer
Helium
Which element is the main component of the Sun?
Answer
Hydrogen
Each phosphate group in the DNA backbone carries what charge?
Answer
negative one
What type of bond connects nucleotides along each strand?
Answer
phosphodiester bond
In the DNA double helix, what is the approximate diameter?
Answer
2 nanometers
What term describes the strand of DNA that is synthesized continuously?
Answer
Leading strand
What is the name of the bond that holds complementary bases together?
Answer
Hydrogen bond
What is the name of the process by which DNA is copied?
Answer
DNA replication
What term describes the shape of DNA?
Answer
Double helix
Name the two purine bases found in DNA.
Answer
Adenine and guanine
In eukaryotes, where is mitochondrial DNA located?
Answer
Mitochondria
What enzyme catalyzes the addition of nucleotides during DNA replication?
Answer
DNA polymerase
Which nitrogenous base is found in DNA but not in RNA?
Answer
Thymine
Which scientist formulated the rules that A=T and G=C in DNA?
Answer
Erwin Chargaff
What is the name of the replication model where each daughter DNA has one parent strand?
Answer
semi-conservative
In which cell organelle is most DNA found in eukaryotes?
Answer
nucleus
What is the name of the bond between a sugar and a base in a nucleotide?
Answer
glycosidic bond
How many rings does a pyrimidine base have?
Answer
one
Who shared the 1962 Nobel Prize with Watson and Crick for DNA structure?
Answer
Maurice Wilkins
In DNA, which base is complementary to cytosine?
Answer
Guanine
What does the acronym DNA stand for?
Answer
Deoxyribonucleic acid
What sugar is found in DNA?
Answer
Deoxyribose
How many strands make up a DNA molecule?
Answer
Two