Nitrogen Bases
In DNA and RNA, which nitrogen base pairs with Guanine (G) ?
Cytosine (C)
How many strands does DNA have?
Two
How many strands does RNA have?
One
In transcription, what molecule is made directly from DNA?
mRNA (messenger RNA)
Where does translation occur?
In the ribosome
In DNA, which nitrogen base pairs with thymine (T) ?
Adenine (A)
What is the sugar called in DNA?
Deoxyribose
What is the sugar called in RNA?
Ribose
A three base sequence on an mRNA molecule is known as a(n) _____ ?
Codon
What is a long chain of amino acids called?
Polypeptide Chain (protein)
In DNA and RNA, which nitrogen base pairs with Cytosine (C) ?
Guanine (G)
What is the portion of a DNA molecule which contains the code for the making of a protein?
Gene
What is the type of RNA that is responsible for bringing the amino acids to the ribosome?
tRNA (transfer RNA)
Which mRNA sequence would be produced from the following DNA bases: CGA TAC ?
GCU; AUG
What would stop the process of translation?
A stop codon
In DNA, which nitrogen base pairs with adenine (A) ?
Thymine (T)
Where does the process of DNA replication occur (in a Eukaryotic cell)?
Nucleus
What is the type of RNA that carries the genetic information copied from DNA to the ribosome?
mRNA (messenger RNA)
What is the complimentary mRNA strand for this DNA sequence: G C G A C T T A C G ?
C G C U G A A U G C
If the mRNA strand is: CGU AGU CCA what would the complimentary tRNA strand be?
GCA; UCA; GGU
In RNA, which nitrogen base pairs with Adenine (A) ?
Uracil (U)
What is the enzyme that constructs the new strand of DNA and proofreads DNA during replication?
DNA Polymerase
What is the type of RNA that is located in the ribosome and is responsible for translation?
rRNA (ribosomal RNA)
When reading an amino acid chart, which do you use, the mRNA codon or the tRNA anticodon?
mRNA codon
Where can you find an anti-codon?
on tRNA