Portage BIOD 101 Module 4 Practice Question with Correct Solutions 2023/2024

Portage BIOD 101 Module 4 Practice Question with Correct Solutions 2023/2024 Nitrogenous bases of DNA - Correct Answer Adenine Guanine Thymine Cytosine Contain 2 carbon-nitrogen rings, and 4 nitrogen atoms - Correct Answer Purines - A and G Contain 1 carbon-nitrogen ring, and 2 nitrogen atoms - Correct Answer Pyramidines - T and C Deoxyribose - Correct Answer sugar chemically linked to each base in DNA Nucleoside - Correct Answer base + deoxyribose Nucleotide - Correct Answer base + deoxyribose + phosphate group complementary pairs - Correct Answer purine always pairs with pyramidine (T+A), (C+G) Occur when 2 negatively charged atoms share a hydrogen atom - Correct Answer Hydrogen bonds # of hydrogen bonds between A and T - Correct Answer two # of hydrogen bonds between C and G - Correct Answer three sequence - Correct Answer specified linear arrangement of nucleotides linked to the polynucleotide chains of DNA. Defines the entire organism end terminating with a phosphate group - Correct Answer 5' (five prime) end end terminating with a hydroxyl group - Correct Answer 3' (three prime) end antiparallel arrangement - Correct Answer one side of the helix runs in the opposite (5'-3') direction of the other (3'-5) Genome - Correct Answer entire sequence of paired bases in DNA histone proteins - Correct Answer A simple protein bound to DNA, involved in the coiling of chromosomes Chromatin - Correct Answer DNA sequences and their associated proteins Chromosomes - Correct Answer structures of packaged chromatin complexes Somatic cell - Correct Answer All of the body's cells except gametes