Show:
What is DNA?
What does DNA look like?
How are copies of DNA made?
What are mutations?
Vocab
100
What does DNA carry?
Information
100
What is DNA shaped like?
Double Helix (twisted ladder)
100
Through which process does DNA make copies?
Replication.
100
TRUE OR FALSE The most common mutation is substitutuion.
TRUE
100
What is DNA
The genetic material in cells
200
What does DNA stand for?
Deoxyribonucleicacid
200
What are the rings of the ladder connected to?
Sugars in the backbone
200
Complementary nucleotides are added how many times?
Once
200
TRUE OR FALSE Because of the small number of bases in DNA mutations and errors happen.
FALSE
200
What is a mutation
It is a change in the number, type, or order of bases on a piece of DNA.
300
What does DNA determine in the cell?
The body's traits
300
What does a base, a sugar, and a phosphate group make up?
A nucleotide
300
What happens to complementary nucleotides?
The original molecule is exposed
300
Sometimes an error in the DNA can be fixed by what?
Proteins
300
What is a replication?
When 2 strands of DNA separate.
400
Finish the sentence: DNA contains a ____ (4 letters)?
Code
400
What are the 4 different types of bases?
Adenine (A) Thymine (T) Cytosine (C) Guanine (G)
400
What are each side of the molecule used as?
A pattern for a new strand
400
When a cell replicates what is the new one made up of?
One strand of new DNA and one strand of older DNA
400
What does RNA stand for?
RiboNucleicAcid
500
Which molecule actually does most of the work in the cell?
Proteins
500
What does adenine pair up with? What does cytosine pair up with?
Adenine-Thymine Cytosine-Guanine
500
What happens when replication completes?
There are two identical DNA molecules
500
What can physically and chemically ruin DNA?
Mutagens
500
What is a cell organelle made up of RNA
Ribosome