Structure
Which Nitrogen bases pair up with each other? Adenine, Guanine, Cytosine, and Thymine.
Adenine and Thymine Guanine and Cytosine
A long, single stranded sequence of RNA.
messenger RNA (mRNA)
Where in the Cell Cycle does DNA Replication occur?
Synthesis
DNA replication produces daughter strands that are _____________________ the original strand. A. identical to B. similar to C. different from
A. identical to
What is DNA replication?
Process of producing two identical replicas from one original DNA molecule.
What does the structure of a nucleotide consist of?
Sugar, nitrogenous base, and phosphate.
This type of RNA carries an amino acid.
transfer RNA (tRNA)
What occurs first in the process of DNA replication?
The helicase breaks up hydrogen bonds.
What kind of DNA replication actually occurs? A. Conservative B. Semi-conservative C. Dispersive
Semi-conservative replication
How many new strands are there in the end?
2
The partnering of nucleotide bases on DNA ...
A=T, G=C
This type of RNA assembles itself into an "apple with a hole in it" through which mRNA can slither.
ribosomal RNA (rRNA)
What enzyme is essential for joining the okazaki fragments?
DNA Ligase (and DNA Polymerase)
Which of the following is the FIRST step in DNA replication? A. Helicase unzips the double helix B. DNA polymerase proofreads the strand C. DNA polymerase unzips the double helix D. Helicase proofreads the strand
A. Helicase unzips the double helix
Enzymes involved in DNA replication
DNA Primase RNA Polymerase Helicase DNA ligase
These are the fragments formed on the lagging strand by DNA Polymerase III.
Okazaki fragments?
Where is an anticodon found on
transfer RNA
What does the Helicase do?
Separate the Nitrogen bases from one another.
What is a mistake in DNA called?
A mutation
What are the 2 strands that make up DNA called
A double Helix
he difference between RNA (ribonucleic acid) and DNA (DEOXYribonucleic acid)
oxygen molecule
The structure serve as a site where proteins are synthesized?
rRNA
What comes into play first in DNA Replication?: DNA polymerase or Ligase
DNA Polymerase.
What is the name of enzyme responsible for proofreading the final daughter strands?
DNA polymerase
What enzyme adds nucleotides only to the 3’?
DNA Polymerase