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1. if a segment of one strand of dna molecule has 234 adenine bases, how many cytosine bases does the other strand have?
a 0
b 234
c 117
d there is not enough info to answer
2. what is the first step in dna replication
a an rna molecule attaches to the dna
b enzymes unwind the dna molecule in two strands
c the dna leaves the nucleus
d dna polymerase adds in new nucleotides
3. the central dogma of biology states that
a dna is transcribed to rna then translated into proteins
b dna is translated into proteins which make rna
c rna is copied to become dna which is made of proteins
d proteins are translated to rna which are transcribed to dna
4. the function of rna is to
a unwind dna to build proteins
b store all genetic info
c make new dna
d carry the code of dna to ribosomes
5. what is the function of dna polymerase?
a to unwind the dna molecule
b to add complementary bases to the new dna strand
c to transcribe the rna molecule
d to show the dna where to begin replicating
6. which process would follow dna replication?
a dna replication
b mitiois and cell division
c rna replication
d celluar respiration
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