History of DNA
Genetic Codes
RNA
Structure of DNA
Mutations or Genes
100
Who found the DNA?
James Watson and Francis Crick
100
What is a segment of DNA that codes for proteins
Genes
100
What can RNA leave but DNA can't?
the nucleus
100
who many strands does DNA have?
2
100
what is the def. of a mutation?
any error in a DNA code
200
What does DNA stand for?
Deoxyribonucleic acid
200
How many different amino acids and nucleotides are there?
Amino Acids-20 Nucleotides-4
200
Name two similarity between DNA and RNA
1.Both made up of nucleotides 2.the nucleotides have a sugar a phosphate group and a n-base
200
what is DNA composed of ?
Nucleotides
200
what type of mutation deletes one nucleotide from a strand of DNA?
base substitution
300
If taken out of a cell how long would DNA be?
5 meters
300
A group of three nucleotides that code for an Amino Acid.
A group of three nucleotides that code for an Amino Acid.
300
How many strands does RNA have
1
300
what are nuelcotides made of?
a sugar, a phosphate group, and a nitrogenous base
300
what type of mutation deletes one nucleotide from a strand of DNA?
deletion
400
When was DNA discovered?
around the early 1950s
400
Find the opposite strand to this DNA. ATGTTCTCAGATGGCCTAGCTATGCAT
TACAAGAGTACCGGATCGATACGTA
400
what does RNA use instead of thymine?
Uracil
400
What are the four different nucleotides?
Adenine, Thymine, Guanine, and Cytosine
400
what is it called when a single nucleotide is disturbed?
point mutation
500
What is the name of the structure that DNA was built from?
the Double Helix
500
Use the chart in your notes for find the codons for this strand. TAGAAGAGTACCGGATCGATACGT
Tyr-Phe-Pro-Try-Pro-Ser-Tyr-Ala
500
what are the three different forms of RNA?
mRNA (messenger) tRNA (transfer) rRNA (ribosomal)
500
what is the sugar called that is used in making a nuelcotide
deoxyribose
500
what are the two things that cause a mutation?
a error during the DNA replication process, and a mutagen (UV lights, nicotine, benzene)
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