Misc. 1
DNA stands for?
What is Deoxyribonucleic Acid?
What type of bond holds the nitrogen bases together?
What is a hydrogen bond?
What type of bond holds the nucleotide together?
What is a covalent bond?
What nitrogen base forms a bond with cytosine?
What is guanine?
True or false - A purine always bonds to a pyrimidine in the center of the DNA helix.
What is true?
This scientist determined that the amount of adenine is always equal to the amount of thymine?
Who is Chargaff?
What are the sides of the DNA ladder composed of?
What are a sugar and a phosphate?
What are the rungs of the DNA ladder made up of?
What are nitrogen bases?
What nitrogen base bonds with adenine?
What is thymine?
In what part of the cell does replication occur?
What is the nucleus?
This scientist was very successful in a process called x-ray diffraction.
Who is Rosalind Franklin?
The name of the process by which DNA makes a copy of itself is called what?
What is replication?
If 30% of the nitrogen bases in a sample of DNA are guanine, what percentage of the bases will be adenine?
What is 20%
How many hydrogen bonds hold cytosine and guanine together?
What is 3?
What enzyme is responsible for proofreading newly formed strands of DNA?
What is DNA Polymerase?
What 2 scientists worked out the model of DNA?
Who are Crick and Watson?
What are nucleotides composed of?
What is sugar, phosphate and nitrogen bases?
What is the name of the Y-shaped region where new nucleotides are added to a growing DNA strand during replication?
What is a replication fork?
How many hydrogen bonds hold adenine and thymine together?
What is 2?
The family of enzymes that are responsible for untwisting and separating the two DNA strands during the copying process are called?
What are helicases?
Name three things must DNA be able to do?
What are store information, put information to work and copy itself.
What 2 substances are chromosomes made of?
What are nucleic acids and proteins?
What 3 clues did Rosalind Franklin provide about the structure of DNA through her x-ray photographs?
What are double stranded, helical shape and nitrogen bases in the middle.
To speed up the process of making a complete copy of a DNA strand, they copying takes place at many sites along the molecule. These sites are called?
What are origins of replication?
What is the name of the 5 carbon sugar found in DNA?
What is deoxyribose?