BIO 189 - Final Modules 4-7 Exam Questions Guide 2026 BIOL 189 (Fundamentals of Life Science)

BIO 189 - Final Modules 4-7 Exam
Questions Guide 2026
1. Nucleotide Monomers of nucleic acids (DNA and RNA)




2. Chargaff's rules A=T and C=G




3. Hershey and Scientists who discovered that DNA was the genetic material (not protein) by using
Chase bacteriophage viruses




4. Bacteriophage A type of virus that infects bacteria

Used by Hershey and Chase in their experiments that showed that DNA is the
genetic material






, BIO 189 - Final Modules 4-7 Exam
Questions Guide 2026




5. Rosalind Franklin Scientist who took pictures of DNA using x-ray crystallography, which helped
discover the double helix shape of DNA




6. Watson and Crick Team of scientists that built the first accurate model of the double helix shape of
DNA




7. Double helix The shape of DNA. Two long strands wrapped around each other.




8. Hydrogen bond Weak attractions that hold together the two strands of DNA in a double helix





, 9. Base pair A pair of complementary nitrogenous bases in a DNA molecule




10. DNA Nucleic acid polymer that acts as the genetic material for ALL life forms




11. RNA Nucleic acid polymer that is a temporary copy of a specific segment of DNA




12. Gene A segment of DNA on a chromosome that codes for a specific product (usually a
protein)