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CGA Biology 2 - Nucleotides and Nucleic Acids Questions And Answers 100% Correct | Latest 2025 $10.99   Add to cart

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CGA Biology 2 - Nucleotides and Nucleic Acids Questions And Answers 100% Correct | Latest 2025

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CGA Biology 2 - Nucleotides and Nucleic Acids Questions And Answers 100% Correct | Latest 2025

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  • September 27, 2024
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CGA - Comprehensive Geriatric Assessment



CGA Biology 2 - Nucleotides and Nucleic Acids
Questions And Answers 100% Correct | Latest
2025
DNA - ANSWER double helix with base pairs


contains thymine and C G A


unreactive/stable


RNA - ANSWER single-stranded with a single nucleobase


contains uracil and C G A


reactive/unstable


Pyrimidines - ANSWER 1 carbon ring


cytosine, uracil, thymine


Purines - ANSWER 2 carbon rings


adenine, guanine

, CGA - Comprehensive Geriatric Assessment


Why does adenine bond with thymine and guanine with cytosine? - ANSWER
pyrimidine binds with purine so width of DNA strand is uniform all along


complementary base pairing due to ability of base to form 2 or 3 hydrogen bonds


Mononucleotide - ANSWER the three components are joined by condensation
reactions where two molecules of water are produced


bond between phosphate and C5 of sugar is called a phosphoester bond


Condensation of nucleotides - ANSWER phosphodiester bond


hydroxyl group of C3 and phosphate group of C5


mRNA (messenger) - ANSWER short single-strand copy of one gene


transcribed from DNA and carries message (code) from nucleus to ribosome


tRNA (transfer) - ANSWER single-strand folded into a cloverleaf shape exposing
anticodons and amino acid binding sites


held in place by hydrogen bonds


transfers amino acids to ribosome

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