DNA Structure
What are the three components of a nucleotide?
5-Carbon Sugar, Phosphate, and Nitrogen Base
True or False: The two DNA molecules that are left after DNA replication are NOT identical.
RNA is single stranded
Uracil replaces Thymine
There are three types of RNA
Which process begins with mRNA and ends with a protein?
Translation
Adenine and Guanine are
Purines
The two strands of a DNA double helix are
Complementary
What must happen before a new strand of DNA can be made?
The hydrogen bonds between the bases must be separated so the DNA can "unzip"
Amino Acid
Which type of RNA brings the amino acid to the ribosome?
tRNA
Cytosine and thymine are
Pyrimidines
Wilkins and Franklin
Why is DNA replication semi-conservative?
One strand is old DNA and one strand is new DNA
A set of three nitrogen bases on mRNA forms what?
A codon
What is the monomer of a protein?
Amino Acid
Which enzyme unzips the DNA molecule for replication?
DNA Helicase
Which scientists are credited with discovering the structure of DNA?
Watson and Crick
Which strand of DNA is made in the same direction as the replication fork?
What process creates a new mRNA molecule?
Transcription
GTTACGA
CAAUGCU
Which enzyme adds new bases to the new complimentary strand of DNA?
DNA polymerase
The genetic code of an organism is determined by
The sequence of nitrogen bases in its DNA
Which DNA strand is made using Okazaki fragments?
Lagging Strand
Which type(s) of RNA are involved in protein synthesis?
mRNA, rRNA, tRNA
Translate this sequence of mRNA into amino acids.
AUG CCA GUC GAU UAA
Methionine-Proline-Valine-Aspartic Acid-Stop
The space where the DNA is splitting in preparation for replication is called _________.
Replication Fork