DNA Structure
What is the structure of DNA?
double helix
Where does DNA replication take place?
nucleus
Where are proteins made?
nucleus
How many strand(s) does RNA have?
1
What is a mutation?
change in the DNA or RNA of an organism
What type of biomolecule is DNA?
nucleic acid
DNA replication occurs before new cells are made in this process?
mitosis
What process is responsible from going to DNA to mRNA?
What nitrogen base is ONLY found in RNA?
uracil
This type of mutation is only a change in one base of DNA
point mutation
What are the three parts of a DNA nucleotide?
deoxyribose sugar, phosphate, and nitrogen base
What is the result or end goal of DNA replication?
two new strands of DNA
What process is responsible for mRNA made into a protein?
translation
Which type of RNA takes the message from the nucleus to the ribosome?
Give an example of a mutagen
smoking, radiation, chemicals
What are the four nitrogen bases in DNA?
adenine, cytosine, guanine, and thymine
What is term that explains the nature in which DNA is replicated?
semi-conservative
How many nitrogen bases are in a codon?
3
mRNA (messenger RNA)
tRNA (transfer RNA)
rRNA (ribosomal RNA)
This is the term for an organisms physical appearance or look that results form a protein change
phenotype
What joins nitrogen bases together?
hydrogen bonds
What are the three steps to DNA replication?
1. separation of the bases
2. base pairing
3. bonding of the bases
What part of mRNA is expressed in the production of proteins?
exons
What are the three locations in which RNA is found in the cell? You must name all three.
nucleus, ribosomes, cytoplasm
What is the term for body cell?
somatic