Twisted Ladders
Packing It In
Grab Bag
Copy This!
-ase
100
These form the sides of the DNA ladder.
What are the phosphate-sugar backbones?
100
DNA wraps itself around this type of protein.
What are histones?
100
Daily Double
Use the rules of base pairing to build a complementary strand of DNA. TCGGACAAT
100
the site of DNA replication
What is the replication fork?
100
This enzyme is responsible for reading and copying DNA.
What is DNA polymerase?
200
This type of bond connects the two strands of a DNA double helix.
What is a hydrogen bond?
200
The three parts of a nucleotide.
What are a sugar, a phosphate group and a nitrogenous base?
200
The location of DNA replication in eukaryotic cells.
What is the nucleus?
200
This acts as a template in DNA replication?
What is the original or parent strand?
200
The word ending "ase" indicates this type of substance.
What is an enzyme?
300
These two scientists discovered the structure of DNA.
Who are Watson and Crick?
300
The information carried in a DNA molecule is carried in this form.
What is a code of nitrogenous bases?
300
The name of DNA model created by Watson and Crick.
What is the double helix?
300
the tips or ends of the chromosomes
What are telomeres?
300
This enzyme opens up the DNA double helix in preparation for replication.
What is DNA helicase?
400
These form the rungs (steps of a DNA ladder).
What are pairs of nitrogenous bases?
400
The mechanism by which huge amounts of DNA is twisted around histones into a tiny nucleus.
What is supercoiling?
400
Chargaff's rule
What is the rule that states there are equal concentrations of adenine and thymine and equal concentrations of guanine and and cytosine?
400
DNA replication occurs during this phase of the cell cycle.
What is interphase?
400
This enzyme adds short non-coding sequences to the ends of chromosomes to prevents the loss of important DNA during replication..
What is telomerase?
500
What is the name of the sugar in a DNA molecule?
What is deoxyribose?
500
DNA supercoils into these condensed bundles in preparation for cell division.
What are chromosomes?
500
DNA is the type of macromolecule.
What is a nucleic acid?
500
The ultimate products of DNA replication.
What are two complete DNA molecules, each with one original strand and one new strand?
500
Sometimes enzymes function to speed up chemical reactions. In DNA replication, the enzymes we have studied all perform this function.
What is form or break chemical bonds?
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