STRUCTURE OF DNA
Name the nitrogenous bases found in DNA and their hydrogen Bonds
Adenine+Thymine
Cytosine+Gaunine
why is DNA replication described as semi-conservtive
DNA is composed of a strand from the original and newly synthesized strands.
What are proteins
Proteins are made of amino acids that are joined together in polypeptide chains.
How does translation work.
mRNA attaches to a ribosome in the cytoplasm.
How many ways is RNA different than DNA
3
A section of DNA that codes for protein
a gene
Why do cells carry out DNA replication
each cell requires it's own DNA
Why are proteins important
They have roles in cell transport, the immune system, movement, hormones, and more.
What does tRNA carry
amino-acids
What does the m in mRNA mean
messanger
Meaning of DNA
deoxyribonucleic acis
what is toposomerase
muscle of the operation
Where does protein synthesis happen in a eukaryotic cell?
nucleus and cytoplasm
The tRNA molecules _____ from their amino acids
detach
Is RNA usually single or double stranded
single
proteins that associate with DNA and help to pack and condense it.
Histones
what is exonuclease like
scissors
Where does protein synthesis happen in a prokaryotic cell.
Cytoplasm
What do the amino acids form?
peptide bonds
what is the non-coding regions in a eukaryote with mRNA
Introns
Name of the structure of DNA
double helix
what does DNA polymerase do
synthesizes new strands of DNA
What are the sections of DNA that code for protein called.
Genes
RNA has Uracil-not ____
Thymine
In what process is introns removed and what does mRNA leave from
splicing and nucleor pores