Twisted Ladders
These form the rails of the DNA ladder.
What are the phosphate-sugar backbones?
This American scientist won two Nobels, but not for DNA as his model was incorrect.
Who is Linus Pauling?
DNA typically has this handedness.
What is right?
The number of carbons in the sugar of DNA plus the number of meters of DNA per human cell.
What is seven?
The process in which some exons are removed from an mRNAs along with all introns.
What is alternative splicing?
These are the monomers of DNA and RNA molecules.
What are nucleotides?
He discovered that the amount of A was always the same as the amount of T in any piece of DNA.
Who is Erwin Chargaff?
This type of bond connects the two strands of a DNA double helix.
What is a hydrogen bond?
The typical number of human chromosomes minus the number of billions of base pairs of DNA in a human cell.
What is forty?
This enzyme is responsible for reading and copying DNA.
What is DNA polymerase?
This structure was Linus Pauling's model of DNA.
What is the triple helix?
The name of the scientist who took X-ray crystallography images of DNA for Rosalind Franklin.
Who is Raymond Gosling?
The opposing directionality of the two DNA strands is refered to as this.
What is anti-parallel?
The number of hydrogen bonds in this sequence and its complement, plus the number of base pairs: G-G-T-C-A-C
What is 22?
The amino acid encoded by the Start Codon.
What is Methionine?
These are proteins around which DNA loops twice.
What are histones?
He elucidated the genetic code?
Who is Marshall Nirenberg?
This part of DNA is responsible for the molecule's negative charge.
What is the phosphate?
The number on Gosling's and Franklin's famous Photo minus the percentage of genes that a cell uses at any given time.
What is 41?
The sequences of the three Stop Codons.
What are UAA, UAG, and UGA?
This process of repeated levels of twisting allow a huge amount of DNA to fit inside tiny cells.
What is supercoiling?
Daily Double
In 1869, Johannes Miescher discovered DNA. He called it this.
Daily Double
The only tRNA anti-codon that would be used in gene expression of the DNA sequence TATTATTATTAT.
The number of RNA codons divided by the number of Special Codons.
What is 16?
This type of ribonucleic acid does not carry protein-coding information and does not carry amino acids around.
What is rRNA?