DNA Structure
What are the base pairs?
A-T; C-G
What is the purpose of DNA replication?
To make copies of DNA for new cells
What is the charge of DNA?
Negative
Whose DNA photo was used to discover DNA?
Rosalind Franklin
Where is DNA found? (Cell and Location)
Eukaryotic and Nucleus
What are the building blocks (monomer) of Nucleic Acids?
Nucleotide
What does semi-conservative mean?
New DNA molecule consists of a new strand and old (parent) strand.
Name 2 techniques used in biotechnology/genetic engineering
Who was credited with finding DNA structure?
Watson and Crick
Name the 3 parts of a nucleotide
Phosphate, Deoxyribose Sugar, and Nitrogen Base
What does the backbone consist of?
Deoxyribose Sugar and Phosphate
Why is it important for the DNA to be copied correctly? (HINT: What are the consequences?)
Prevents mutations; Allows for cells to function properly
What size DNA moves farther in Gel Electrophoresis?
Smaller DNA
What was the discovered shape of DNA?
Double Helix
Which part of the nucleotide determines your traits?
Nitrogen Base
What is one characteristic of hydrogen bonds in DNA and what are their function?
They are weak bonds and connect complementary base pairs together
Name the 3 enzymes and one word function used in DNA replication
Helicase (unzips); Polymerase (complementary or builds); Ligase (seals)
What is one use for PCR?
Medical research, woolly mammoth, genetic testing, cloning genes, forensics
If Guanine is 18% what is:
A=
T=
C=
A=32%
T=32%
C=18%
which 2 bases are Pyrimidines? (Single ring structure)
Thymine and Cytosine
Which 2 bases are purines? (Double ring structure)
Adenine and Guanine
What phase does DNA replication happen in?
S phase
What temperature does DNA need to be heated to in PCR? (ºC)
90 ºC
What was the name of Franklin's DNA photo?
Photo 51
What is the full name for DNA?
Deoxyribonucleic Acid