DNA
Replication
RNA
Transcription
Translation
100
What is DNA?
DNA is the molecule of life that stores genetic information
100
What is the complementary base to cytosine?
Guanine
100
What are the 3 types of RNA?
messenger RNA, transfer RNA, and ribosomal RNA
100
What is the first step in transcription?
Polymerase unwinds DNA
100
What is the end product of translation?
Chain of polypeptides (a protein)
200
What is the structure of DNA?
Double helix; two nucleotides, a phosphate molecule, a sugar molecule, and two nitrogenous bases
200
What are the two kinds of replication?
Conservative and Semi-Conservative
200
What base is present in RNA that is not in DNA?
Uracil
200
What is the enzyme that catalyzes transcription?
RNA polymerase
200
What major molecules are involved in translation?
tRNA and rRNA
300
Name the complementary bases in DNA.
Adenine and Thymine, Cytosine and Guanine
300
What is the purpose of DNA Polymerase?
Contains the enzymes that unravel the DNA
300
How many different types of tRNA are there?
20+
300
Why does mRNA leave the nucleus?
to carry the codes for protein without causing harm to the DNA
300
What binds to the ribosome?
tRNA
400
What is the importance of DNA?
DNA determines all of your genetic information and enables an organism to grow.
400
What is a leading strand?
The strand in which the bases are put together consecutivly instead of randomly
400
In what RNA are amino acids synthesized?
ribosomal RNA
400
What is the section of DNA that codes for RNA called?
transcription unit
400
What is the chain of amino acids called?
A polypeptide
500
What is the chemical difference between ribose and deoxyribose sugar molecule.
Deoxyribose has one less oxygen in its chemical makeup.
500
What is the function of enzymes in replication?
Enzymes unravel the two strands of DNA and keeps them seperate during replication.
500
How many bases are required to make a codon?
3
500
What is the end product of transcription?
mRNA
500
What cell organelle does tRNA bring its amino acids from?
Cytosol
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