Biology DNA TEST
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37 Terms
Dna has 4 bases. Name them and how they bond together.
Adenine-Thymine
Guanine-Cytokine
What are the 3 smaller parts of the DNA molecule make up a nucleotide?
one sugar one phosphate and one base
what holds the bases in the center of the DNA molecule
together?
weak hydrogen bonds
what is the sugar in DNA
deoxyribose
what does DNA make during replication
it makes more DNA
why does DNA need to replicate?
for mitosis and meiosis
where are free-floating nucleotides located?
inside the nucleus
what is made during transcription
mRNA from DNA
what base is different in mRNA than in DNA
uracil replaces thymine
why is mRNa made from DNa? What can it do that DNA cannot do?
it can leave the nucleaus
what are 3 bases on the mRNA molecule called?
codons
what are the 3 bases on the tRNA molecule called?
anti-codons
where is teh strand "read" and the protein made during transcription?
ribosomes.
what do these proteins that are being made do for the body?
control all of your boy functions
which of the processes has more than one type of RNA involved?
transcription
why is translation called this?
bc the strands are "read" and translated into a protein
name 3 scientists that helped to discover the structure of DNA?
rosalind Franklin, watson, crick
if GGCAATTAGGCTCGG is on the left strand of a DNA molecule. What bases would make up the right side?
CCGTTAATCCGAGCC
DNA shape
double helix
RNA shape
single helix
DNA bases
adenine, thymine, guamine, cytocine,
RNA bases
adenine, uracil, guamine, cytocine
Dna located where in the cell?
the nucleus
RNA located where in the cell?
anywhere outside of nucleus
DNA sugar?
deoxyribose
RNA sugar?
ribose
DNA function?
protect the genetic code
RNA function?
to carry the DNa to ribosomes, protein synthesis
purpose of replication?
to duplicate
purpose of transcription?
turns DNA into mRNA
purpose of translation?
making of proteins
nucleic acids involved in replication?
DNA and RNA ..
nucleic acids involved in transcription?
DNA and RNA
nucleic acids involved in translation?
RNA- m,t,r
Where does replication occur?
in the nucleus
where does transcription occur?
in the nucleus
where does translation occur?
on a ribosome