DNA Structure
How many strands is a DNA molecule composed of?
2
During replication, which base pairs with Adenine?
Thymine
Which enzyme is responsible for breaking the bonds between base pairs and "unzipping" the DNA molecule?
Helicase
How many strands is an RNA molecule composed of?
1
What is the finished product of translation?
A protein
What 2 words describe the shape of a DNA molecule?
Double Helix
What is produced after DNA replication is complete?
2 identical daughter DNA molecules
Which enzyme adds complementary nucleotides during DNA replication?
DNA Polymerase
Which base is found in RNA instead of thymine?
Uracil
The building blocks of proteins are called...
amino acids
What are the 4 nitrogen bases in DNA?
Adenine, Thymine, Cytosine, Guanine
What is meant by the term "semi-conservative"?
Each new DNA molecule is made of one "old" and one "new" strand.
Which proteins prevent DNA strands from rejoining
Single strand binding proteins
This type of RNA copies DNA's instructions and carries them to the ribosome.
Messenger RNA (mRNA)
Where does translation take place?
At the ribosome
Which components make up the "sides" of the DNA ladder?
Sugar (deoxyribose) and Phosphate
What is the name of the pieces of DNA that are made on the lagging strand?
Okazaki fragments
Which enzyme places down primers for DNA polymerase?
DNA Primase
This type of RNA carries and links amino acids at the ribosome.
tRNA
Where does transcription take place?
In the nucleus
What type of bonds holds the Nitrogen bases of each strand together?
Hydrogen Bond
What is the name of the DNA strand that is made in one continuous motion toward the replication fork?
Leading Strand
Which enzyme connects all of the okazaki fragments?
Ligase
Codon
The ______________on tRNA pairs up with the codon on mRNA at the Ribosome.
anticodon