biology DNA replication and protein synthesis
is this sequence DNA or RNA: TACCGAATCGTTA
DNA
DNA is a cookbook for ______
proteins
transcription and translation= ______ >> _______ >> ________
DNA RNA proteins
what adds nucleotides to build DNA
DNA polymerase
what unzips DNA
helicase
what adds RNA primer
primase
what unwinds double helix
topoisomerase
seals gaps in DNA fragments
ligase
is this sequence DNA or RNA: UUCUGAAGGACU
RNA
what direction is DNAread in
3' to 5'
what bonds with g
c
what bonds with a
t
list names of all DNA bases
adenine thymine guanine and cytosine
difference between DNA and RNA
DNA: thymine double helix and deoxyribose sugar
RNA: uracil songle strand and riobose sugar
when does DNA replication occur
S phase of interphase
list pyrimidine bases
cytosine, thymine, and uracil
a group if nucleotides (AGC) is considered a what
codon
what is the bond between the two nucleotides
covalent bond
DNA is a ______ that holds our generic information
macromolecule
a child has blonde hair because their mother snd father have blonde hair this is an example of what
genes
proteins carry out all ______ activity
cellular
what does the monomer do
make up nucleic acids
DNA is called semi-conservative because it is made up of _____ of the original DNA
50%
complementary base pairs are held together by what bonds
weak hydrogen bonds
the double strand of DNA is known as what
double helix
nucleic acids are made up of subunits called what
nucleotides
mRNA is synthesized in what
transcription
amino acids are brought to the site of protein synthesis by _____
tRNA
what is true about RNA
it is single stranded
which one is not a complementary base pairing rule
DNA serves as the intructions for making proteins
DNA is _____
antiparallel
phosphate is on the _____ direction
5'
sugar is on the ______ direction
3'
parts of a nucleotide
sugar phosphate and base
why are the does one bug base pair with one small one
so the rungs are even
what macromolecule is DNA
nucleic acid
what step are proteins created in
translation
what makes uo the backbone on DNA
sugar-phosphate
where is DNA in a eukaryotic cell
nucleus
where is DNA in a prokaryotic cell
cytoplasm
are introns coding regions
no
are exons coding regions
yes
true or false: in RNA bases are not exposed
false
tightly coiled strands of DNA
chromosomes
list differences in leading and lagging strand
leading: toward replication fork, continuous, and one RNA primer
lagging: away from replication fork, in pieces, and multiple RNA primers
list 3 types of RNA
transfer messenger ribosomal
which of the following is found in DNA
adenine and thymine
_____ brings specific amino acids to the ribosome
tRNA
DNA replication makes _____
DNA
the lagging strand is synthesized by fragments called ______
okazaki
what is the process of forming mRNA
transcription
the codon AUG signals what step
start
where does DNA replication take place within a cell
nucleus
true or false: RNA primer is removed
true
do all organisms have the same number of chromosomes
no
a chain of amino acids is _____
polypeptide
cookbook for proteins
DNA
why does topoisomerase unwind DNA
to release tension
do DNA strands zip back together
yes in transciption
what does not happen after transcription
mRNA attaches to subunit of ribosome
how many amino acid combinations are there
64
codon vs anticodon
codon is used in mRNA
anticodon is used in tRNA
where does DNA translation take place
cytoplasm
what does this sequence translate to in DNA replication: GCCTATGA
CGGATACT
what does this sequence translate to in transcription: AGTCGAATC
UCAGCUUAG
true or false: in transcription DNA polymerase binds to DNA promoter
true
look over notes and pictures in notes also know how to find amino acids for DNA sequences
ok