BIO 7 Exam Preparation – Cell Biology, Genetics, DNA
Replication, Evolution, Ecology, Practice Questions with
Correct Answers
This document contains verified exam questions and answers for BIO 7, focusing on
essential topics such as cell biology, molecular genetics, DNA replication, and ecological
principles. It provides structured Q&A format material that covers both theoretical
concepts and applied biological processes. The content is updated and ideal for exam
practice, ensuring comprehensive preparation.
Robert Hooke - answer✔✔first to observe "small chambers" in cork and coined the
term cells. Anton van Leeuwenhoek - answer✔✔A garment maker who created his
own microscopes. Detailed descriptions of microorganisms and described bacteria for
the first time. Francisco Redi - answer✔✔Used unsealed/sealed meat experiment
with maggots to begin showing spontaneous generation wasn't true. Louis Pasteur -
answer✔✔Swan neck flask, used heat to prevent microbes. Ended spontaneous
generation debate. Developed germ theory of disease Robert Koch -
answer✔✔Postulates to show causative agents of disease. Ignaz Semmelweis -
answer✔✔Identified cause of puerperal fever in birthing clinics. Advocated
importance of hand washing, wiped fever away. Joseph Lister - answer✔✔Surgeon
who used antiseptic wound/incision/dressings to prevent wound infection after surgery.
, - 2 -:
Florence Nightingale - answer✔✔Founded first nursing school. Introduced cleaning
patients beds, clothes, and rooms to reduce infection. John Snow -
answer✔✔Mapped cholera outbreak in London and found the source. Studied
infection control and epidemiology. Edward Jenner - answer✔✔Innoculated a boy
with pus from cowpox lesion (less aggressive form of smallpox), making the boy
immune to smallpox. Smallpox vaccine. Paul Erhlich - answer✔✔Used chemicals to
treat infection. Chemicals can differentiate bacteria. Foundation for chemotherapy.
Trypanosomes & Treponema pallidum (syphillis) Cell - answer✔✔The basic unit of
structure and function in living things Animalcules - answer✔✔Little animals or
microbes, 1st seen in pond water by Leeuenhoek. Now known as microorganisms.
Spontaneous Generation - answer✔✔Living matter arising from non-living matter
(abiogenesis). Fermentation - answer✔✔The chemical action of yeast on sugars.
Creates beer & wine. Germ Theory of Disease - answer✔✔Diseases result from
microbial infection. Microbes are responsible for infection. Pathogen - answer✔✔A
disease causing microorganism. Koch's Postulates - answer✔✔A sequence of 4
experimental steps for directly relating a specific microbe to a specific disease.
Epidemiology - answer✔✔The study of where/when infectious diseases occur in a
population and how they are transmitted/ maintained in nature. Vaccine -
answer✔✔Substance prepared from killed or weakened pathogens and introduced
into a body to produce immunity. Chemotherapy - answer✔✔The use of drugs to
treat a disease. Francesco Redi's experiment - answer✔✔Using meat and maggots,