E-PolyLearning

221. All newly synthesized polynucleotide strands must be initiated by
a. RNA polymerase
b. DNA polymerase
c. gyrase
d. helicase
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Answer: (a).RNA polymerase

222. When DNA opens up the y shaped structures are called as
a. replication forks
b. single stands
c. parent strand
d. Template
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Answer: (a).replication forks

223. When DNA polymerase meets an adenine nucleotide on the template strand than at 3' end it adds
a. cytosine
b. guanine
c. uracil
d. thymine
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Answer: (d).thymine

224. Eukaryotic DNA is bound to histones to form
a. nucleotides
b. nucleosides
c. nucleosomes
d. nucleofomes
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Answer: (c).nucleosomes

225. Yeast, a unicellular fungi may reproduce by
a. Budding
b. Fragmentation
c. Spore formation
d. Sexually
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Answer: (a).Budding