1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anarel [89]
3 years ago
8

What is meant by Koch's postulates ?

Biology
1 answer:
nydimaria [60]3 years ago
3 0

Answer: four criteria to establish a causative relationship between a microbe and a diseases

Explanation:

1- "Bacteria must be present in every case of diseases"

2- "Bacteria must be isolated from the host with the diseases and grown in pure culture"

3- "The specific diseases must be reproduced when a pure culture of bacteria is inoculated into a healthy susceptible host"

4-"Bacteria must be recovered from the experimentally infected host"

You might be interested in
Which of the following best compares rhizoids and fruiting bodies in Fungi?
Bad White [126]
<span>The correct answer is B. Rhizoids absorb water and nutrients, while fruiting bodies release spores.</span>
<span>
Rhizoids of Fungi are similar to root hairs on vascular land plants. Rhizoids, release digestive enzymes and absorb digested organic material, so it is a feeding organ.</span>  
<span>Fruiting body or sporocarp is a structure that is part of the sexual phase of a fungal life cycle and it contains spore-producing structures.</span>
4 0
3 years ago
If both parents have the trait, but one of their children does not, then the trait is what
Scorpion4ik [409]

Answer:

it depends  but a good way u could figure it out is look it up online and then if u still not sure come back and ask if that answer is right  

Explanation:

3 0
2 years ago
DNA fragments show up as a series of different sized ______.
Doss [256]
Question : DNA fragments show up as a series of different sized ______.


Logical Answer :  Bands
5 0
2 years ago
Which of the following describes describes a response to external stimuli?
Natali5045456 [20]

The answer is A because the subject is responding to something that is going on outside of it, if that makes any sense :)

Hope this helps! Have a great day!

8 0
3 years ago
Is it possible that after the first meeting of male and female through sexual inter course
Ilia_Sergeevich [38]

Answer:

Yes, it is possible because, if the sperm from the male goes into the egg of the female it can cause the female to get pregnant by that male. And its very rare for the female not to get pregnant after having inter course with the male. That's only if they had unprotected sex.

I hope this helps you!

XoXo Mashayla

Explanation:

3 0
3 years ago
Other questions:
  • Because enzymes have high specificity, fewer than fifteen are required by any organism.
    9·1 answer
  • HURRY PLZ!! WILL GIVE YOU BRAINLIEST!! For a metamorphic rock to turn into magma, it would have to _____. A. melt B. weather C.
    14·2 answers
  • Explain why Aristotle's system of classifying animals is no longer used by biologists?
    6·1 answer
  • Carbon dioxide and water vapor are variable gases because _____.
    9·2 answers
  • Triple X syndrome, or trisomy X, occurs when a female has an extra X chromosome in each of her cells. This results when the moth
    5·2 answers
  • What is a solution biology
    8·2 answers
  • Exposure to environmental
    15·1 answer
  • १<br>5) सौर्य ऊर्जा किन सस्तो मानिएको हो​
    8·1 answer
  • The primary site of photosynthesis<br> fruits<br> roots<br> leaves<br> flowers
    9·1 answer
  • Question 13 (1 point) Which of the following processes add methane (CH4) to the atmosphere in the carbon cycle?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!