Dr. marshall demonstrated that gastric ulcers are caused by a bacterium by using Koch’s postulates.
Koch’s postulates are four standards created to confirm a causative relationship between a microorganism and a disease. Koch’s postulates were formulated in 1884 by Robert Koch and Friedrich Loeffler. Koch’s postulates include;
- the microorganism must be found in every cases of the disease.
- the microorganism must be isolated from the diseased host and grown in pure culture
.
- the cultured microorganism must cause the disease when introduced into a healthy laboratory animal
.
- the microorganism must be re-isolated from the new host and identified to be the same as the original causative agent
.
Answer: False
Explanation: It occurs in plants
animals recieve energy from the photosynthesis/energy when they eat plants
I'm not sure about the first one; it might be D, but the second ome
Answer:
D
Explanation:
Normal wings, brown body, legs on head, and red eyes.
Answer:
1. Fallopian tubes
2. cervix
3. vulva
Explanation:
These just have to be memorized, but hope this helped