2024\2025 A+ Grade
thymine
- correct answer In DNA, adenine always pairs with
guanine
- correct answer In RNA, cytosine always pairs with
uracil
- correct answer In RNA, adenine always pairs with
nucleotides
- correct answer DNA is built from which of the following?
nucleosides
genes
purines
nucleotides
codons
hydrogen bonds
- correct answer The double helix of DNA is stabilized mainly by
2-deoxyribose
- correct answer What pentose sugar is a constituent of DNA?
, ribose
- correct answer What pentose sugar is a constituent of RNA?
1 ring, 2 nitrogens
- correct answer Pyrimidines have ________ ring(s), containing ______ nitrogen(s).
2 rings, 2 nitrogens
- correct answer Purines have ________ ring(s), (each) containing ______ nitrogen(s).
ribonucleic acid (RNA)
- correct answer What nucleic acid is responsible for using the encoded genetic information to produce
of proteins found in living organisms?
A-T/U
C-G
- correct answer What are the complementary bases?
3 hydrogen bonds are made between G and C
- correct answer How many hydrogen bonds are made between guanine and its complementary
nucleotide?
2 hydrogen bonds are made between adenine and thymine/uracil
- correct answer How many hydrogen bonds are made between adenine and its complementary
nucleotide?
3'-CGTACTCGG-5'
- correct answer What is the complementary strand of DNA for the base sequence of DNA 5'-
GCATGAGCC-3'?
3'-CGUAGUCGG-5'
- correct answer What is the complementary strand of RNA for the base sequence of RNA 5'-
GCATGAGCC-3'?