OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A short sequence of nucleotides reads GGACAGAGCGCAGACGA. In which type of molecule could this sequence be found?
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DNA molecule only
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Both in a DNA and an RNA molecule
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RNA molecule only
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In double-stranded DNA only
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Explanation:
Detailed explanation-1: -A primer is a short nucleic acid sequence that provides a starting point for DNA synthesis.
Detailed explanation-2: -Cells decode mRNAs by reading their nucleotides in groups of three, called codons.
Detailed explanation-3: -mRNA is “messenger” RNA. mRNA is synthesized in the nucleus using the nucleotide sequence of DNA as a template. This process requires nucleotide triphosphates as substrates and is catalyzed by the enzyme RNA polymerase II. The process of making mRNA from DNA is called transcription, and it occurs in the nucleus.
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