DNA Structure
The subunits of DNA and RNA
What are Nucleotides
Transcription is the transfer of information from
__________to ___________
Transfer of information from DNA to RNA
Translation is the transfer of information from RNA to synthesize __________
Transfer of information from RNA to proteins.
The only substance that can replicate itself
What is DNA?
Name the 3 parts of a nucleotide.
What are a sugar, a phosphate and a nitrogenous base?
The British physicist and American biologist that developed the double helix?
Who are Watson and Crick?
Transcription takes place here
What is in the nucleus?
What are the 3 kinds of RNA?
Say what the lower case letter stands for.
mRNA. - Messenger
tRNA. - Transfer
rRNA - Ribosomal
Replication takes place in this part of the cell
What is the nucleus?
Names of the purine nitrogenous bases
What are Adenine and Guanine?
The sugar found in DNA
What is deoxyribose?
The molecule that carries the instructions for making a protein from the nucleus to ribosome.
What is mRNA?
Molecule that carries the amino acid to the ribosome?
tRNA
Replication takes place in this phase of cell division.
What is interphase?
Kind of the large organic compound that is made of Carbon, Hydrogen, Oxygen, Nitrogen, and Phophorus that transmits hereditary information.
What are a nucleic acids?
Name three structural differences between DNA & RNA
DNA is a double helix, RNA is single stranded.
DNA contains deoxyribose, RNA contains ribose.
DNA has Thymine, RNA has uracil.
If the DNA Strand has the following sequence of bases what would the sequence of bases be on the mRNA?
AATCCGAATTGG
mRNA would have
UUAGGCUUAACC
The site of protein synthesis?
What is the Ribosome?
In order for DNA to replicate it must untwist and _____
What is unzip?
Names of the pyrimidine nitrogenous bases
What are Cytosine, Uracil and Thymine?
Kind of weak bond that hold the nitrogenous bases of DNA together
What are Hydrogen bonds?
The name given to the triplet of bases on mRNA.
What is a codon?
The amino acid assembled by the mRNA codon AAU
What is ASN?
DNA is formed using four kinds of base subunits. In a double strended segment of DNA, the percentage of the base Cytosine is 18%. What is the approximate % of the base Thymine?
What is 32%?
A short segment of DNA information, whithin chromosomes, that serve as a code for bits of hereditary information.
What is a gene?