DNA Replication Flashcards
What does DNA stand for
Deoxyribonucleic Acid
what does RNA stand for
Ribonucleic Acid
where is DNA located
nucleus
where is RNA located
cytoplasm and nucleus
what are the 3 parts of a nucleotide
Phosphate, sugar, nitrogen Base
What ate the complementary base pairing rules for DNA
C-G
A-T
what are the complementary base pairing rules for RNA?
C-G
A-U
when does DNA replication happen?
During the S phase of interphase
Where does DNA replication happen
Nucleolus
Which enzyme “unzips” DNA during replication
Helicase
which enzyme adds nucleoties and proofreads DNA?
DNAP III
which enzyme connects pieces of the lagging strand
DNA ligase
the building blocks of nucleic acids
nucleotides
what kind of sugar is found in RNA
Ribose
what kind of sugar is found in DNA
deoxyribose
the nitrogenous base that is found only in RNA
Uracil
what type of bonds hold the nitrogen bases together in a DNA molecule
Hydrogen bonds
The process of making two identical copies of DNA from one original is called?
mitosis
Describe the shape of a DNA molecule.
Double Helix running antiparallel to each other. 3’–> 5’, 5’–> 3’
Describe the contributions of Franklin, Chargoff, Watson and Crick to the understanding of DNA’s structure.
Franklin-Structure of DNA.
Chargaff- Complementary base pairing for nitrogenous bases.
Watson and Crick- 3D Model for DNA.
Explain what molecules form the sides of a DNA molecule.
Phosphate and sugar backbone.
The steps or “rungs” of a DNA molecule are made of what molecules?
Nitrogenous bases
