________________ introduced  cleanliness and antiseptic techniques into nursing practice.

What is the difference between spores and endospores? A. Endospores are formed inside the nucleus; spores are formed in the cytoplasm. B. Endospores are formed by eukaryotes; spores are formed by prokaryotes. C .Spores are reproductive structures; endospores are stable resting structures. D. There is no difference between spores and endospores.

Bacterial cells that are in chains are described as ___________________

Which of the following have the thickest peptidoglycan layer in the cell wall? A. Archaea B. Gram-negative bacteria C. Gram-positive bacteria D. Only pathogenic bacteria

What are the two types of prokaryotic organisms?   A. bacteria and viruses B. bacteria and archaea C. bacteria and fungi D. bacteria and algae

A viroid is  A. Small pieces of dsDNA that are pathogenic to plants B . Small polyhedral DNA viruses C .Small circular pieces of RNA that are infectious to plants D .S mall incomplete viruses of infecting any cells

The process of heating food, usually liquid, just enough to kill microbes without changing the food’s basic qualities is termed ________.   A. Fermentation B. Pasteurization C. Respiration D. Transformation

The study of how our body fights infection from pathogenic microbes is called ________.   A. immunology B. epidemiology C. molecular biology D. epistemology

The experiments with swan necked flask which knocked out the spontaneous generation of life were conducted by A. Robert Koch B. Louis Pasteur C. Edward Jenner D. Redi

Which of the following is NOT a part of bacterial flagella?    A. Fimbria B. Basal body C. Hook D. Filament