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
victus00 [196]
3 years ago
10

Edward Jenner discovered vaccinations. He found that some of the dairymaids who worked with cows had suffered lesions on their h

ands, and that these dairymaids were immune to the more severe smallpox. Which best explains why the dairymaids were immune to smallpox?
They did not interact with many people so they were not exposed to the pathogen.
They frequently washed their hands so they were able to wash away the pathogen.
They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.
They breathed the air around the cows that carried an antipathogen in it that destroyed the pathogen.
Biology
2 answers:
Nadusha1986 [10]3 years ago
7 0

Answer:

They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.

Explanation:

lbvjy [14]3 years ago
4 0

Answer:

The dairymaids possessed immunity against the more extreme smallpox as due to getting exposed to cowpox, the body of the dairymaids generated certain kinds of substance to defend against the cowpox, which also helped in defending smallpox.  

When Edward Jenner found that the dairymaids suffering from cowpox possessed immunity towards smallpox, he concluded that the emergence of cowpox at the same time developed immunity towards smallpox. To ensure, Jenner collected a fluid sample from the pustule of cowpox and administered it within a boy's body, and thus, discovered the principle of immunity.  

You might be interested in
How many chlorine atoms are there in the molecule NiCl2
olchik [2.2K]

Answer:

2, that’s what the 2 means.

Explanation:

4 0
3 years ago
Which has a greater biotic potential- humans or mice? Why?
Ganezh [65]
Nice because : Biotic potential is the ability of a population of living species to increase under ideal environmental conditions – sufficient food supply, no predators, and a lack of disease. An organism’s rate of reproduction and the size of each litter are the primary determining factors for biotic potential.
4 0
3 years ago
Summary for mutations
Talja [164]

Answer:

A mistaken change in DNA sequencing or coding that could be harmful, not noticed or beneficial

Hope this helps!

4 0
3 years ago
A nursing instructor teaches nursing students about the steps to be taken while obtaining a guaiac fecal occult blood test (gFOB
MaRussiya [10]
<h2>A guaiac Fecal occult blood test </h2>

Explanation:

  • "I should instruct the patient to abstain from taking nonsteroidal mitigating drugs the day preceding the test."  
  • Nonsteroidal mitigating operators (typically truncated to NSAIDs) are a gathering of medications that assuage agony and fever and decrease aggravation.  
  • There are almost two dozen unique NSAIDs accessible, yet they all work similarly, and that is by hindering a particular gathering of chemicals called cyclo-oxygenase catalysts, frequently condensed to COX proteins. These chemicals are answerable for the creation of prostaglandins. Prostaglandins are a gathering of mixes with hormone-like impacts that control a wide range of procedures, for example, aggravation, bloodstream, and the development of blood clots.

3 0
3 years ago
What is the outer surface of Schwann cell in adjective form
NARA [144]
I am not sure if this question means the adjective form or the adjacent form? However, a Schwann cell is a type of glial cell and its main function is to support neurons. Adjacent to the Schwann cell are nodes of Ranvier which are gaps in the myelinated axons, and are believed to assist in potential generation among other things.
7 0
3 years ago
Other questions:
  • The percentage of U.S. buildings that suffer from poor indoor air quality is about percent
    12·1 answer
  • Plants can grow successfully in soil that is considered sub-par if they have
    14·1 answer
  • The steps to show how energy is transformed in plant cells
    6·1 answer
  • Why is altruistic behavior not very common?
    6·1 answer
  • Migration is _______.
    15·2 answers
  • The diagram below shows the movement of carbon.
    6·1 answer
  • . A hypertonic solution will cause a cell to ________. Choices; stay the same . shrivel up . expand . burst . . . .
    8·1 answer
  • Why does a whale have pelvic bones even though they don’t have legs?
    12·2 answers
  • Plz help me I a, timed
    14·2 answers
  • A model of how DNA is organized to form genes is shown here. What likely explains how DNA within a single gene can cr
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!