An outbreak of a disease occurs, and a scientist at the Centers for Disease Control (CDC) is in charge of determining the cause. She is studying the microorganism that is thought to be responsible for the disease. Which of the following would be
the most helpful to the scientist?
Pasteur's germ theory of disease
Koch's postulates
Redi's experiment
John Snow's map

Koch's Postulates

Explanation:

Koch's Postulates are 4 criteria designed to determine the relationship between a microbe and a disease. Koch used these criteria to describe the etiology of cholera and tuberculosis as well.

(I hope that this helps! I have answered it to the best of my ability.)

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.